RE: [PHP] php die function for MySQL connection errors
On 14 August 2004 15:50, raditha dissanayake wrote: Ford, Mike [LSS] wrote: (And, BTW, the HTTP definition says that the Location: header should specify a full absolute URL, so that should be: header(Location: http://your.server.name/path/to/errors/servererror.php;); are you sure? Yes. In fact, I was too conservative -- the HTTP RFC says it *must*. See: http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.30 and http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.2 Just because many browsers accept and process a non-standard header is no reason to write non-standard headers... ;) Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] String compare of 7 text strings
-Original Message- From: Brent Clements To: [EMAIL PROTECTED] I wanted to see if anyone has an easier way to do this. The end result is this: I need to compare 7 different text strings(which are in an array). They should all be the same, if they are not the same, a message should be outputted saying they weren't. How would one do this outside of using a huge if/then statement? --- Two approaches come to mind off the top of my head: $values = array_count_values($array); if (count($values)1): // there's more than one unique value in the array endif; or... $value = $array[0]; for ($i=1; $i7; ++$i): if ($array[$i]!= $value): // this value doesn't match break; endif; endfor; Cheers! Mike -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] php die function for MySQL connection errors
-Original Message-
From: John Gostick
Sent: 14/08/04 15:19
I have a quick question about using the PHP die() function.
[...]
I changed the code to this:
$connection = mysql_connect($host, $user, $password)
or die(Error connecting to SQL server);
$db = mysql_select_db($database, $connection)
or header('Location: ../errors/databaseselect.php');
Which works fine (tested by deliberately misnaming database so it can't
find it).
However if I then use the same approach for the server connection error,
like below, it doesn't work.
$connection = mysql_connect($host, $user, $password)
or header('Location: ../errors/servererror.php');
On failure, this causes the header to be sent, but doesn't actually stop execution of
your script, so...
$db = mysql_select_db($database, $connection)
this will now fail because you don't have a valid $connection.
or header('Location: ../errors/databaseselect.php');
The bottom line is, whenever you issue a header(Location: ) call, you also need
to cause the script to die if your logic demands that -- so the above should be
written something like:
if (!$connection = mysql_connect($host, $user, $password)):
header('Location: ../errors/servererror.php');
die();
endif;
if (!$db = mysql_select_db($database, $connection)):
header('Location: ../errors/databaseselect.php');
die();
endif;
(And, BTW, the HTTP definition says that the Location: header should specify a full
absolute URL, so that should be:
header(Location: http://your.server.name/path/to/errors/servererror.php;);
etc.)
Cheers!
Mike
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RE: [PHP] If Else Syntax Incorrect (I Think)
On 13 August 2004 12:52, Jay Blanchard wrote:
if( strlen( $UserID ) != 0
strlen( $UserPassword ) != 0
strlen( $SecretPassword ) != 0
strlen( $UserMail ) != 0 )
{
Do something
}
elseif ( strlen( $UserID ) == 0
strlen( $UserPassword ) == 0
strlen( $SecretPassword ) == 0
strlen( $UserMail ) == 0 )
{
Do Something else
}
In fact since the elseif condition is the exact logical complement of the if condition
(by application of deMorgan's rules), you only need:
if( strlen( $UserID ) != 0
strlen( $UserPassword ) != 0
strlen( $SecretPassword ) != 0
strlen( $UserMail ) != 0 )
{
Do something
}
else
{
Do Something else
}
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Headingley Campus, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
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RE: [PHP] timestamp according to timezone?
On 12 August 2004 14:07, Justin French wrote: Hi, How can I get a unix timestamp of the current timezone, rather than GMT as supplied by time()? Sorry, but this question makes no sense to me. A timestamp is absolute and is always in GMT, taking no account of timezones -- that's just the way it's defined. If you want a time in the current timezone, you have to feed the (absolute, GMT) timestamp through something that knows how to adjust for timezones, such as date(). Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] sessions not working when page redirects
On 10 August 2004 13:19, Ron Stiemer wrote: Hi there, Try to add the session_id(); into the redirection: header(Location: ../admin/include/B.php?PHPSESSID= . session_id() ); No, no, no! Use the SID constant -- that's what it's for. It only has a value if you need one, so: header(Location: ../admin/include/B.php?.SID); will redirect to include ../admin/include/B.php?PHPSESSID=whatever or ../admin/include/B.php? as appropriate to the particular circumstances of the current invocation of the script. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Re: Image and variable
On 10 August 2004 15:55, Henri Marc wrote:
Hello,
Variables in single-quoted strings are not
evaluated. Either user double
quotes or concatination:
Thank you very much all for your help, specially Kevin
Waterson for his complete program.
It was simple, I always make some mistakes with those
quotes :-(
Another problem still related to those images.
I have done that just as a test. Its' very simple but
I really don't know why, the result is always the same picture.
?php
$random=MT_RAND(1,2);
echo $randombr;
if ($random=1) {
You mean == (comparison) not = (assignment).
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Headingley Campus, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211
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RE: [PHP] Problems with array_reverse!
On 10 August 2004 15:36, Labunski wrote:
Hello,
First of all, I should apologize for my bad English,
and I hope somebody will understand what I was trying to say..
?php
if ($handle = opendir('news')) {
while (false !== ($topic = readdir($handle))) {
if ($topic != . $topic != ..) {
$topic_b = array($topic); // the problem starts here.
rsort($topic_b); //array_reverse($topic_b);
foreach($topic_b as $topic_c){
$date = $topic_c;
}
print($date);
}
}
closedir($handle);
}
This way, this will print:
2004.08.11
2004.08.31
2004.11.07
But I want to reverse this array, so that it would print: 2004.11.07
2004.08.31
2004.08.11
BTW, I thought that $topic is an array
Why? You've done nothing to make it an array -- the only thing you ever assign to it
is a single (string) filename.
Try this (untested!):
?php
if ($handle = opendir('news')) {
while (false !== ($topic = readdir($handle))) {
if ($topic != . $topic != ..) {
$topic_a[] = $topic;
}
}
if (rsort($topic_a, SORT_STRING) {
foreach($topic_a as $topic_c){
print($topic_c);
}
}
closedir($handle);
}
?
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Headingley Campus, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211
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RE: [PHP] Flush()....go to bottom of page (might be 0T)
On 07 August 2004 23:24, PHP Gen wrote:
This is what i am using:
for($i=0; $i1000;$i++)
{
echo somethingbr;
echo str_repeat( , 256); flush(); ob_flush();
sleep(1);
}
Regardless of solving your scrolling problem, these flush calls are the
wrong way round -- ob_flush() flushes to the layer which is flushed by
flush(), so you should be doing
ob_flush(); flush();
to get an immediate flush of the thing just echoed.
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Headingley Campus, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211
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RE: [PHP] Local version works - production breaks
On 08 August 2004 14:20, Josh Acecool M wrote:
Try adding
if (!function_exists(function_name)) {
function function_name ($blah) {
// Function Code
}
}
for each function.
As I understand it, that will *not* work in PHP 5 as it still parses the entire file,
barfing on the duplicate function definition, before even attempting to evaluate the
if() at the top of the file.
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Headingley Campus, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211
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RE: [PHP] annoying autoreplies
On 08 August 2004 03:25, Robby Russell wrote: To all those who have auto-replys set for their email, please turn them off. ;-) If you're referring to SpamCease, it seems that these are, on the whole, not genuine auto-replies but are themselves from a spam email address harvester masquerading as a spam-blocker and using faked From: addresses. Ignore them or set up a rule to junk them. (Although there does seem to be a genuine SpamCease challenge-response spam-blocker, all of the emails I've seen here are clearly fakes and not the genuine thing.) Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] RE: IMPORTANT: Please Verify Your Message
On 06 August 2004 15:44, Ed Lazor wrote: Spamcease. Apparently it's the guy's anti-spam software that automatically sends messages. General consensus seems to be that it's not a guy, it's a spambot pretending to be an auto-responder and using a fake from address. If you click the link, you merely confirm to the bot that your email address is good, and hey presto! you're a target for even more spam. Just ignore them or make yourself a filter rule to kill them automatically. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Branching blunder
On 05 August 2004 15:15, Jay Blanchard wrote:
[snip]
if($ans_three[$qzid] === 'None of the above' || $ans_three[$qzid] ===
'All of the above'){ if($ans_four[$qzid] === 'None of the above'
|| $ans_four[$qzid] === 'All of the above'){
$answers = rand(6,8);
}
$answers = 5;
}
else{
$answers = rand(1,4);
}
However when I run it, it checks everything correctly until it has
answer three and four having 'All of the above' and 'None of
the above',
then it branches to $answer = 5, only. Why?
[/snip]
Because $answers = 5; is the last check of $answers unless the else
statement is invoked. Try this...
if($ans_three[$qzid] === 'None of the above' || $ans_three[$qzid] ===
'All of the above'){ if($ans_four[$qzid] === 'None of the above'
|| $ans_four[$qzid] === 'All of the above'){
$answers = rand(6,8); } elseif($ans_four[$qzid] !== 'None of
the
above' || $ans_four[$qzid] !== 'All of the above'){
Ehhhrrrmmm -- that elseif () condition is always going to be true:
logically, it's got to be not equal to one or other of the values.
From a quick glance at the code, I'd say just a straight else would do the
job here, thus:
if ($ans_three[$qzid] === 'None of the above'
|| $ans_three[$qzid] === 'All of the above')
{
if ($ans_four[$qzid] === 'None of the above'
|| $ans_four[$qzid] === 'All of the above')
{
$answers = rand(6,8);
}
else
{
$answers = 5;
}
}
else
{
$answers = rand(1,4);
}
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Headingley Campus, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211
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RE: [PHP] Location header does not work?
On 05 August 2004 16:36, Bing Du wrote: I really appreciate everyone who responded taking your valuable time looking into my problem. Now back to my problem. Changing the condition to if($_SERVER['HTTPS'] != 'on') did not make any difference unfortunately. So the result was still the URL in the Address box of the browser changed to https://computing.eng.iastate.edu/mambo/index.php?option=conte nttask=viewid=159Itemid=162 fine. But instead of showing the page that https address should point to, 'You are in HTTPS mode' was displayed as the else clause specified. Right, you're obviously not getting this, so let's take it step by step. (1) Your browser requests https://computing.eng.iastate.edu/mambo/index.php?option=contenttask=viewi d=159Itemid=162 (2) This fires the script /mambo/index.php on your server. (3) Script finds all conditions in the first if() are met, so tests $_SERVER['HTTPS']. (4) ... finding it is not set, it issues a Location: redirect to https://computing.eng.iastate.edu/mambo/index.php?option=contenttask=viewi d=159Itemid=162 (5) Browser sees the redirect, and issues a new request for https://computing.eng.iastate.edu/mambo/index.php?option=contenttask=viewi d=159Itemid=162; at this point, it also changes the URL displayed in its address bar. (6) This seems to be where you are confused -- WHICH PAGE DO YOU THINK THIS IS GOING TO LOAD? (6a) Server sees new request, this time via https, to exactly the same script as before, so fires the script /mambo/index.php again. (7) See (3). (8) This time it finds $_SERVER['HTTPS'] is set (or =='on', depending), and echos 'You are in HTTPS mode'. (9) QED Which step isn't what you were expecting? Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Location header does not work?
On 05 August 2004 17:12, Ford, Mike [LSS] wrote: (1) Your browser requests https://computing.eng.iastate.edu/mambo/index.php?option=conte nttask=viewi d=159Itemid=162 Bother! Sorry, that should, of course, be http:// in step (1)! Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] $HTTP_REFERER
On 05 August 2004 17:18, Shaun wrote: Hi, I seem to have problems redirecting pages when I view my site using my laptop, the only difference is that my laptop has Norton Firewall installed, can this interfere with the $HTTP_REFERER variable Not only can, does! Other firewalls or proxies may alter it, some will simply block it, and anyway it can be forged by the user. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Query Results Question
-Original Message- From: Harlequin To: [EMAIL PROTECTED] Sent: 04/08/04 01:55 Subject: [PHP] Query Results Question I have the following query which should return just two rows: SELECT 'ID', 'Vacancy Role', 'Vacancy Salary', 'Vacancy Location', 'Vacancy Type' FROM vacancy_details WHERE Publish = 'Yes' As only two rows have Publish set to Yes. yet even if I execute the query through phpMyAdmin I get two rows with field headings as field values. -- I may be wrong, as I don't use mySQL, but shouldn't those be back-ticks around the column names and not single quotes? With the quotes, you're just asking the database to return the literal text as if it were a column value. Back ticks are used to enclose column names that contain non-alphanumeric characters. Cheers! Mike Any suggestions on where I'm going wrong...? I'm pretty sure my query syntax is accurate as I've used this type of query many times before and have even checked the syntax by using a query window. -- - Michael Mason Arras People www.arraspeople.co.uk - -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] pconnect...
-Original Message- From: bruce To: 'Curt Zirzow'; [EMAIL PROTECTED] Subject: RE: [PHP] pconnect... i meant mysqli/php5 regarding pconnect. although, i've since seen information that leads me to believe htat pconnect would necessarily in and of itself be my solution. -- No, it wouldn't. Persistent connections were only ever a way to try and get faster connections to the database when the same logon credentials were used repeatedly. They DO NOT, DID NOT, AND NEVER HAVE provided the ability to manage transactions over multiple pages. Give up on this tack and go write your middle-man application or whatever else you reckon you need to fulfill your requirement. Cheers! Mike. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Browser reload problem
On 30 July 2004 16:25, Ashley M. Kirchner wrote: Jason Barnett wrote: Though I'm intrigued by two things: a) why am I getting both $_REQUEST as well as $_POST variables Because $_REQUEST is an aggregate of $_GET, $_POST and $_COOKIE. That's the way it's defined: see http://www.php.net/manual/en/reserved.variables.php#reserved.variables.request. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] VB--PHP
On 29 July 2004 10:00, Jay wrote:
Hi!
Can someone pelase help me to convert the following Vbscript code to
PHP, i am really sucky at Regular Expression:
-CODE VBSCRIPT-
Function IsValid(strData,blIncludeAlpha,blIncludeNumeric)
Dim regEx, retVal,strPtrn
Set regEx = New RegExp
If blIncludeAlpha Then
strPtrn=a-zA-Z
End If
If blIncludeNumeric Then
strPtrn=0-9
End If
if blIncludeAlpha and blIncludeNumeric Then
strPtrn=a-zA-Z0-9
End if
regEx.Pattern = ^[ strPtrn ]+$
IsValid= regEx.Test(strData)
End Function
Something like:
function isValid($strData, $blIncludeAlpha, $blIncludeNumeric)
{
$strPattern = /^[;
if ($blIncludeAlpha):
$strPattern .= a-zA-Z;
endif;
if ($blIncludeNumeric):
$strPattern .= 0-9;
endif;
$strPattern .= ]$/;
return preg_match($strPattern, $strData);
}
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Headingley Campus, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
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RE: [PHP] strpos mystery
On 29 July 2004 01:50, Jon Drukman wrote:
with this code fragment:
?
$string='/mobile/phone.html';
if (strpos($string,'/mobile/')!==false) { print one: yes\n; }
if (strpos($string,'/mobile/')===true) { print two: yes\n; }
only the first if statement prints anything. why is !==
false not the
same as === true ?
Because strpos returns the integer offset of the found substring, or FALSE
if not found; it *never* returns TRUE. (You need the !== test because
strpos() can return an offset of zero, which would be ==FALSE but not
===FALSE.)
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Headingley Campus, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
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RE: [PHP] unset($_COOKIE['foo']) and $_COOKIE['foo'] = '' both do n't do anything.
On 28 July 2004 20:17, Daevid Vincent wrote: No. I'm trying to delete it from PHP memory, but keep the cookie on their client in the cookie.txt file or wherever it's stored. Where are you doing the test for it -- in the same script, or in a subsequent one? If the former, then I'm confused; if the latter, then this is expected behaviour (explanation on request ;). Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Re: Retrieving Stored Values for Dropdown Menu
On 28 July 2004 12:50, Harlequin wrote: OK David. But here's the conundrum: a User has already selected a value which is stored in the database. Can I Display a range of option tags but make the one the user selected previously as the default...? That's been asked and answered many times on this list -- why not search the archives? Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Accessing a variable from inside a local function
On 28 July 2004 12:29, Frank Munch wrote:
Would anyone know how to resolve this scope problem? Or is
this possibly
something PHP can't (yet) do?
The problem is to access a variable in a function foo from a function
local to foo.
Actually, your problem is that the function bar is *not* local to foo. Even
though PHP lets you declare functions lexically within the scope of other
functions, semantically they are still global functions and have no access
whatsoever to the enclosing function.
- - -
function foo($var_foo)
{
$my_foo_local = 10; //How can I reach this from inside function
bar(...?
function bar($var_bar)
{
return $my_foo_local+$var_bar+1; // Doesn't work, can't see
$my_foo_local }
return bar($var_foo)+1;
}
if (foo(0)==12)
echo Yes! I did it!;
else
echo Nope. Sorry;
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Headingley Campus, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
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RE: [PHP] Re: If...Or...Else
On 25 July 2004 21:16, Skippy wrote: Any idea why the need to have two logical operators with the same meaning BUT different precedences? I dig the need to put in OR as an alias, but why confuse people with the precedence issue? One would tend to think || and OR are perfectly interchangeable. It's a horses for courses situation -- each tends to lead to better readability when used in its appropriate context. For instance (to improve on the above example): $result = mysql_query(.) or die(mysql_error()); would need extra parentheses if rewritten using the || operator: ($result = mysql_query(.)) || die(mysql_error()); On the other hand, a construct like: $is_valid = $x0 || $y0; would need additional parentheses with or: $is_valid = ($x0 or $y0); Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Re: Embedding JavaScript into a PHP generated web page
On 26 July 2004 01:13, Robert Frame wrote:
OK, now I am bewildered again.
Sample Code
?php
echo 'script language=text/javascript';
script language=JavaScript
echo '!-- ';
echo 'function myWindow() { alert(javascript from php)}';
echo '//-- /script';
There's no need to echo your script from php -- just as with large chunks of
regular html, you can drop out of php mode and just write it as you want it:
?
script language=JavaScript
!--
function myWindow() { alert(javascript from php)}
//--
/script
Cheers!
Mike
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RE: [PHP] Re: change value of session variable?
On 22 July 2004 07:50, Five wrote: Sounds like an old bug in PHP. What version are you using? I've been trying to get it to work at: http://members.lycos.co.uk/primeooze/info.php According to this phpinfo(), that site has session.use_cookies=On and session.use_trans_sid=Off. This means that the simple Blue/Green test that has been bandied about here won't work for anyone who is not accepting cookies. Hence, John Holmes's question Are you sure you're accepting the cookie? How are you sure? is extremely relevant. I also have ( apache/php 4.3.4/mysql ) installed on my computer and I get much more satisfactory results on it. Does that installation have session.use_trans_sid=On? If so, another of John's questions is relevant: If you see an SID in the URL when navigating the pages, does it stay the same between pages or change? Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Is that a PECL in your pants?
On 01 July 2004 04:10, John W. Holmes wrote: Can anyone explain the purpose of PECL to me besides what it says on the web page (http://pecl.php.net)? Besides what's already been said, it also decouples the release cycles of the extensions from that of PHP itself. An upgrade to a PECL extension can now be released at any time, and the latest version can (theoretically, at least) be installed against any recent release of PHP. For extensions which are chosen to be bundled with PHP, the latest *stable* version of each extension will be packaged in the PHP release. (This will also eliminate the time-honoured cry on php-internals of Will all extension maintainers please commit outstanding updates so we can roll version so-and-so! ;) Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Re: Testing if cookies are enabled
On 21 June 2004 12:11, Martin Schneider wrote: thanks for your reply, I think you missunderstood, please read more carefully. I know how to set and read a cookie, but as I wrote I wasn't able to set and text a cookie ON THE SAME PAGE. The manual says: http://php.net/setcookie Once the cookies have been set, they can be accessed ON THE NEXT PAGE. But I have seen pages on which it seems they set und check if the cookie has been set ON THE SAME PAGE. So I want to know how they do that (perhaps with a 302-header or something like that?). Yes, that's one possibility, but there'd still have to be at least one page load involved before you'd see the cookie. What you describe makes it more likely that there's actually some client-side technology involved, such as JavaScript. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Problems with arrays
On 17 June 2004 14:27, Phpu wrote:
Here is the code:
select name=model class=gform
onchange=model_jump('parent', this)
option value=0
?
foreach ($nav_model_names as $index = $element) {
$InputString = $element;
echo $InputString;
}
/option
/select
Each option needs to be in, er, option/option tags, do you want something like:
foreach ($nav_model_names as $index = $element) {
echo option value='$index'$element/option\n;
}
Cheers!
Mike
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RE: [PHP] Combo problems.. Multi Array??
On 15 June 2004 00:07, Michael Benbow wrote: Thanks Mike, I have read up a lot on permutation but I'm not completely sure that this will solve my problem. From what I can gather permutation takes a sample (i.e. ABC) and tells you how many different ways it can arrange the letters, with order mattering. What I need to do is take a variable number of groups (in my example, 3) and then display the combinations of ways that my sample (in my example, 2) can be spread across the groups. Ah, yes -- sorry. Something in your original post must have made me think you just wanted the number of ways, not the actual permutations. (And, in any case, I don't think this *is* actually a permutation, so I think I was doubly trigger happy!) [...] The example again is as follows.. A [1][2] BC AB [1][2] C ABC [1][2] A [1]B [2]C AB [1]C [2] A [1]BC [2] A [2]B [1]C A [2]CC [1] AB [2]C [1] Think of the letters as being static amongst all possible combinations, and the numbers as the piece of data which is varying. In my actual code both fields are integers but this isn't really important here. I've been fiddling with this for half an hour or so, and I'm pretty convinced the solution is going to involve a recursive function. However, it might help if you could say exactly what you want as a result: printed out (in a format similar to the above), inserted into a database (how?), or some sort of PHP data structure (such as a multi-level array) containing all the possible results? Don't guarantee to come up with a final (or even an approximate!) solution, but knowing what you're trying to work towards would help...! Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Regarding variable reference
On 15 June 2004 08:25, Ulrik S. Kofod wrote:
[EMAIL PROTECTED] sagde:
Hi,
I have variables called Cookie1 to Cookie35.
I would like to print the values of Cookie1 to Cookie35 using for
loop.
Could anybody correct the below code to print the variables.
=for($i=1;$i34;$i++)
{
$x=Cookie.$i;
if(isset($$x))
{
echo p$x:$$x/p;
}
}
for($i=1;$i34;$i++)
{
$x=Cookie.$i;
eval(\$y = \$$x;);
if(isset($y))
{
echo p$x:$y/p;
}
}
No need for eval() here, this will work just fine:
$x = Cookie$i;
$y = $$x;
You could also collapse the two statements like this (if you didn't need
$x):
$y = ${Cookie$i};
or
$y = ${Cookie.$i};
However, this seems to be a classic case where the use of variable variables
looks like a fudged solution, and you should examine your data to see if it
can't be better represented in an array (which would have made coding the
above loop a snap).
Cheers!
Mike
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JG125, James Graham Building, Leeds Metropolitan University,
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RE: [PHP] Combo problems.. Multi Array??
-Original Message- From: Michael Benbow [mailto:[EMAIL PROTECTED] Sent: 14 June 2004 08:31 To: [EMAIL PROTECTED] Subject: [PHP] Combo problems.. Multi Array?? Hi, I've got a problem which has left me scratching my head for the better part of a week. [...] The outcome, if working properly, should be... A [1][2] BC AB [1][2] C ABC [1][2] A [1]B [2]C AB [1]C [2] A [1]BC [2] A [2]B [1]C A [2]CC [1] AB [2]C [1] Does anyone have any ideas on how I could do this? As I said I'm completely stumped. This is called a permutation. Googling for permutation formula brings up any number of good links; the most succinct is probably http://www.mathwords.com/p/permutation_formula.htm, but most of the other top 10 links will give you the same answer with a bit (or a lot!) more explanation. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Can someone explain this?
On 08 June 2004 19:00, René Fournier wrote:
OK, that makes sense. But here's the problem: I receive binary data
from SuperSPARC (big-endian), which I need to unpack according to
certain documented type definitions. For example, let's say that $msg
has the value 3961595508 and is packed as an unsigned long integer
(on the remote SPARC). But when I receive it, and unpack it...
$unpacked = unpack('Nval', $msg); // N for unsigned long integer,
big-endian (SPARC) echo $unpacked[val];
...the output value is -71788. (???) Which tells me that PHP is
NOT unpacking $msg as an unsigned long integer, but rather as
a signed
integer (since unsigned integers cannot be negative).
Now, thanks to your suggestions, I can convert that number back to an
unsigned integer-or at least make it positive. But I
shouldn't have to
convert it, should I?
Yes.
Whether an integer is signed or unsigned is simply a matter of how you interpret the
32 bits representing it -- unsigned 3961595508 is represented in 32 bits in exactly
the same way as signed -71788. This explains the results you are getting: PHP
*is* unpacking your binary(?) data as unsigned, but, as PHP doesn't have an unsigned
type, the only place it has to put the resulting 32-bit representation is in a PHP
integer, which is signed -- so when you print it, you get the signed representation.
To get PHP to print the unsigned representation of an integer, you can use the %u
format specifier of sprintf() (http://www.php.net/sprintf) or one of its *printf
friends.
Cheers!
Mike
-
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Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
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RE: [PHP] ini_get
On 06 June 2004 22:43, Dennis Gearon wrote: CC me please. Does anyone know if ini_get returns the values BEFORE or AFTER the .htaccess modifies them? i.e., does it return the server or local version? It gets the value the script is currently running with. This will be the local version, unless it has been further modified by an ini_set in the script. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Newbie question about isset and binary conditionals
On 07 June 2004 14:04, Al wrote: I posted this previously; but the subject was misleading. You seem to have several possible misconceptions in your posting -- this may just be me misreading you, but anyway... I could use one additional clarification regarding good practice. As I understand the php manual the following is acceptable and I assume good practice. $foo= TRUE; Not only acceptable but encouraged. if($foo) do.. ; where $foo is a binary; but not a variable. $foo is always a variable -- it can contain values of several types, one of which is Boolean (not binary -- that's just a way of representing integers) TRUE/FALSE. isset should be used for variables, such as; isset($var) for variables and be careful with $var= ' '; etc. because $var is assigned, i.e., set. To work out which test you need to use, it's crucial to understand what evaluates to FALSE in a Boolean context (which the test of an if() statement is. This is covered in precise detail in the PHP manual at http://www.php.net/manual/en/language.types.boolean.php#language.types.boole an.casting, but to summarize: the following are considered FALSE: Boolean FALSE, numeric zero (0 or 0.0), the strings and 0, an empty array or object, and NULL; all other values are TRUE. In addition to this, an unset variable will be evaluated as NULL, and hence considered FALSE, but PHP will also issue an undefined variable warning in this case (which may or may not be suppressed by your PHP configuration!). On the other hand, isset($var) will return TRUE if $var has been set to any value except NULL, and FALSE otherwise -- so an isset() test on all the other values listed above (including FALSE!) will be TRUE. Other tests you may want to look into are empty() http://www.php.net/empty and is_null() http://www.php.net/is-null; there are also some handy tables at http://uk.php.net/manual/en/types.comparisons.php to help you see what the various tests return. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Re: how to insert form data
On 03 June 2004 03:57, Ligaya Turmelle wrote: shouln't be QUOTE: input type = textarea name=quote... If that was a question, then: No, it shouldn't. Some versions of a certain browser may have supported this, but it has never been part of any HTML standard. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] weird error
On 03 June 2004 15:52, pagongski wrote: Hi guys, I recently installed easy-php on my laptop so i could work on the go without having to upload my scripts to the server to test them out. The problem is that when i tried one of my scripts on it, i get some weird errors, and the script works fine on the online server. Here are some example errors: Notice: Use of undefined constant REMOTE_ADDR - assumed 'REMOTE_ADDR' in c:\win2kapp\easyphp1-7\www\index.php on line 35 Notice: Undefined variable: HTTP_REFERER in . I have register globals on. (was off so i turned them on thinking that might be the problem..didnt work either way) These Notices will not prevent your script running to completion -- they merely point out places where your code can potentially be improved. Looks like error_reporting on your laptop is turned all the way up to E_ALL, whereas on on the server E_NOTICE level messages are excluded. This is actually a *good* configuration -- on your test server, you get to see all the nitty-gritty warnings about the minor errors that PHP will ignore or automatically correct for you, whilst on your live service they are suppressed. You can then decide, on a fully-informed basis, whether you want to adjust your code to be comletely notice-free, or whether you're prepared to leave them as is and let PHP take care of them. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Update Multiple Records From Form
On 28 May 2004 04:47, Albert Padley wrote:
I feel I'm so close.
I have a form with multiple database records with a checkbox to
indicate which records to update set up like so:
$name = ed[ . $row['id'] . ];
input type=\checkbox\ name=\ . $name . \ value=\Y\
Each text input is set up like so:
input type=\text\ name=\fname[]\ value=\ . $row['fname'] . \
On the processing page I am doing this:
foreach($ed as $id=$val){
$query = UPDATE ref_events_reg
SETfname = '$fname'
WHERE id = '{$id}';
I am looping through the correct records, but every field is being
updated to Array.
What tweak do I need to make?
I'd make two tweaks, actually. First and most obviously, you're not selecting *which*
fname field to pass to your update query, so this needs to be:
$query = UPDATE ref_events_reg
SET fname = '{$fname[$id]}'
WHERE id = '{$id}';
(By putting just $fname there, you are telling PHP to insert the string representation
of the whole array -- and the string representation of any array is, er, exactly
Array! ;)
This change may give you a clue to my other tweak -- I'd explicitly set the indexes of
all the fname[] fields to be sure they sync correctly to the related check box, thus:
input type=\checkbox\ name=\ed[{$row['id']}]\ value=\Y\
input type=\text\ name=\fname[{$row['id']}]\ value=\{$row['fname']}\
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Headingley Campus, LEEDS, LS6 3QS, United Kingdom
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RE: [PHP] Re: Changing variable names in a while loop
On 28 May 2004 12:30, Torsten Roehr wrote:
I.A. Gray [EMAIL PROTECTED] wrote in message
news:[EMAIL PROTECTED]
Hi all,
Easy question (I hope). My brain seems not be working today, so
could someone help me with this one?
[...]
How can I get the value to change in each form? The name and id
for each input field will change from (for example) fcomposer1 to
fcomposer30 but
how
do I change the value for each input to show the variables taken
from the database which will be $composer1 to $composer30 ?
Obviously if I put in $composer$countything that will just output
the value of $composer followed by the value for $countything, but
I want it to output the value for $composer1 if $countything=1 or
$composer10 if $countything=10 . Is there something I can do with
variable variables? I couldn't see
any examples
in
the PHP manual.
What you want is this:
$temp = 'composer' . $countything;
Then use ${$temp} - it will efectively be $composer1.
You can also write this as
${'composer'.$countything}
But I'd really, really suggest looking into using arrays for this -- it looks much
more like an array-ish problem than a variable-variable-ish problem to me. Using
arrays, your input fields would look like:
input name='fcomposer[$countything]' type='text' size='20' maxlength='60' /
and then your processing code can easily address $fcomposer[$countything] etc.
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Headingley Campus, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
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RE: [PHP] IF statement question...
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]
Sent: 19 May 2004 12:55
Is it possible to request that a string CONTAINS another string...?
EG:
$string = 1, 2, 3, 7, 8, 9;
if ($string CONTAINS 7) {
// Do stuff
}
if (strpos($string, 7)!==FALSE)
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services, JG125, James Graham
Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United
Kingdom
Email: [EMAIL PROTECTED]
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RE: [PHP] IF statement question...
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]
Sent: 19 May 2004 15:47
If I'm being Dumb, I apologies...
but When using this:
$row[bands] = 1,2,3,4,5,6,7,8;
$row2[id] = 7;
if (strpos($row[bands], $row2[id]) != FALSE) {
// do stuff
}
I get the No 13 (as it's inthe 13th place in the string) as my result.
Now I'm aware that it should work, as it's not returning a
false value... But I'm still not getting the correct output
on my page...
(i) needs to be !== not != (since the substring might appear in position 0 and
0==FALSE).
(ii) post some lines of your actual code showing what you expect, and what you
actually get.
(iii) to know exactly what we're dealing with, var_dump $row and $row2 before you do
the strpos, and cut'n'paste the results for us.
(iv) also, quote your string subscripts ($row['bands']) -- not vital, but suppresses a
constant-lookup and notice for each one, and hence is more efficient.
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services, JG125, James Graham
Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United
Kingdom
Email: [EMAIL PROTECTED]
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RE: [PHP] using returned references directly?
On 17 May 2004 22:26, Jeff Schmidt wrote: Hello, Say I have object A, with method getObjectB(), which returns a reference to object2. Is there a way to do something like $A-getObjectB()-methodFromObjectB(); ?? When I try that, I get a parse error? Is this simply not possible with PHP, or is the syntax just a little different? I mean, I could: $b = $A-getObjectB(); $b-methodFromObjectB(); That's how you have to do it in PHP 4. In PHP 5, you will be able to use the collapsed version -- it's one of the OO improvements. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Select box
On 18 May 2004 09:06, Brent Clark wrote:
Hi all
For the likes of me I cant seem to figure out how to have a
select drop down
box , and have it so, that when I click the submit button,
the page displays
the correct content (which is what it does) but at the same
time I need the
select box to be at the option of the query.
Below is part of my code.
If someone could help, it would be most appreciated.
select name=uname
?php
$sqlu=SELECT id,user,name FROM users
ORDER BY user
ASC;
$name_result = mysql_query($sqlu);
while($rowu=mysql_fetch_array($name_result)){
echooption
value=\$rowu[user]\$rowu[user]/option\n;
}
/select
Assuming that this form submits to itself, so $_POST['uname'] will be set to the
selected value:
$selected = @$_POST['uname'];
while($rowu=mysql_fetch_array($name_result)){
echo option value=\$rowu[user]\;
if ($selected==$rowu['user']) echo ' selected';
echo $rowu[user]/option\n;
}
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Headingley Campus, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
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RE: [PHP] PHP and Caching and IMS Headers
On 18 May 2004 13:58, Nick Wilson wrote: Hi, I was reading this post here: http://www.cre8asiteforums.com/viewtopic.php?t=9801 No, not my site ;-) I think it sounds like there are some mistaken views in there, anyone that knows about If-Modified-Since headers, PHP and Caching could shed a little conclusive light on the subject? From my own experience, I can confirm that ILoveJackDaniels is definitive in that thread. What he describes is exactly how I do it. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Not sure
On 14 May 2004 09:59, Brent Clark wrote:
Hi all
I have the following php code:
echotdnbsp;/tdtdinput type=\checkbox\ name=\frow\
value=\$var\/td\n;
I now have the following javascript code:
!-- From webmin--
a href='' onClick='document.frm.frow.checked = true; for(i=0;
idocument.frm.frow.length; i++) {
document.frm.frow[i].checked = true; }
return false'Select all/anbsp;
a href='' onClick='document.frm.frow.checked =
!document.frm.frow.checked;
for(i=0; idocument.frm.frow.length; i++) {
document.frm.frow[i].checked =
!document.frm.frow[i].checked; } return false'Invert
selection/abr
the problem I have is that if I change the
echotdnbsp;/tdtdinput type=\checkbox\ name=\frow\
value=\$var\/td\n; to
echotdnbsp;/tdtdinput type=\checkbox\ name=\frow[]\
value=\$var\/td\n;
Then my php task is fine, but if I make it a normal variable, like
name=frow
But then my PHP does not work, and the Javascript does work (Selects
all the checkboxes with a tick)
I can determine if this is a javascript fault or a php fault.
Neither -- a programmer fault! ;)
Name the field with name=frow[], and refer to it in JavaScript like this:
document.frm['frow[]']
Cheers!
Mike
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JG125, James Graham Building, Leeds Metropolitan University,
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RE: [PHP] FIXED: Max file size for uploads?
On 12 May 2004 16:48, Robert Sossomon wrote: It's fixed now.. If using Apache on RedHat here is everything to fix at once: FIRST AND FOREMOST DECIDE THE MAX SIZE YOU WANT IN MB, ADD A COUPLE MORE TO IT, AND THEN CONVERT TO BYTES (MB * 1024 * 1024) 1. httpd/conf.d/php.conf LimitRequestBody ?? #byte size you calculated 2. /etc/php.ini max_file_size = ???M #Max size in MB post_max_size = ???M #Max size in MB post_max_size should be larger than max_file_size, since you need to allow space for any other fields in the form. If any of your forms have more than one file upload field, post_max_size should be the appropriate multiple of max_file_size, plus some overhead. Apache's LimitRequestBody should also be adjusted accordingly. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] dinamic hashes
On 13 May 2004 12:59, Yivi wrote: Hello everyone. I am having a stupid problem with a couple of arrays, tried a couple of things but I am feeling disconcerted. The thing is, I thought it was possible to create arrays in a dynamic fashion, as in: $newarray['newkey'] = new_value; And the array would be incremented accordingly. And afterwards, if I wanted to add a new key to the thing, just doing: $newarray['anotherkey'] = anothervalue; would be enough. Generally speaking I have been trying that and it was working, but right now I am having some trouble with this. I am parsing a kind of referrals log file, and as I get the values I want to create a hash with all the values I get into a hash to use later on. Each line of the log is processed in a while() loop, and after extracting the values for $searchSource, $searchDomain and $searchTerm I try to create the hash entries with these lines: $table[$searchSource][$searchDomain][$searchTerm][total ]+=$row['order_total']; $table[$searchSource][$searchDomain][$searchTerm][count]++; Your problem here is that you are using the += and ++ operators, which need to fetch the existing value of your array element before adding to or incrementing them. Of course, the *first* time you attempt to do this the array element doesn't exist yet, so PHP throws a notice for each of the subscripts; subsequent additions to or increments of the same elements will proceed without problem. total is an amount that I want to aggregate for each $seachTerm, and count an obvious counter with total hits per $searchTerm/Domain/Source combination. $table is an array which I create before entering the loop with: $table = array(); This is irrelevant and, strictly speaking, unnecessary. The problem is that I keep getting this warnings and notices: Notice: Undefined index: GGAW in c:\www\deepswarm.co.uk\script\monthlytable.php on line 60 [...] Using the @ operator the scripts works perfectly, but I That's one of the obvious ways to suppress these notices. Others are to turn off E_NOTICE level messages for the duration, or use isset() on each access to decide whether to do a plain assignment or use an increment/addition. BTW, all those quotes are unnecessary and inefficient -- just write your array accesses like this: $table[$searchSource][$searchDomain][$searchTerm][count] Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Variables Help
On 13 May 2004 19:52, John Nichel wrote:
Monty wrote:
Is there any way to get JUST the user-defined variables in PHP?
Problem with get_defined_vars() is that it contains everything,
including server and environment vars, and there's no easy way to
keep just the user-defined vars part of the array created by
get_defined_vars.
Monty
foreach ( get_defined_vars() as $key = $val ) {
if ( ! preg_match (
/_POST|_GET|_COOKIE|_SERVER|_ENV|_FILES|_REQUEST|_SESSION/, $key )
) { $user_defined[$key] = $val;
}
}
U, or even, possibly, if no user variable names begin with _
if ($key{0}!='_')
Cheers!
Mike
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Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Beckett Park, LEEDS, LS6 3QS, United Kingdom
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RE: [PHP] PHP Sessions on Windows
-Original Message- From: David Mitchell [mailto:[EMAIL PROTECTED] Sent: 12 May 2004 13:21 OK, I managed to get it working. I first attempted to edit the php.ini so that the session save path was C:\Temp. No matter what I did, the save path always showed up in phpinfo() as /tmp. So I created folder on the root of C: called tmp and everything worked. This still looks like PHP is not looking for the php.ini file where you think it is. I strongly suggest you follow the previous advice to work out where PHP is actually expecting your php.ini to be, before you have a need to change another initialization parameter. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] default and another constructor
-Original Message- From: Rudy Metzger [mailto:[EMAIL PROTECTED] Sent: 12 May 2004 14:27 On Wed, 2004-05-12 at 15:18, Mark Constable wrote: function forum($naam=NULL,$tijd=NULL,$tekst=NULL) and test the incoming variables with isset() before attempting to use any of them. If you assign default values to the method arguments, you cannot test them with isset() anymore, as they will be set. Not if the default is NULL -- isset(NULL) is false. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] unexpected array_diff output
On 30 April 2004 09:47, Frederic Noyer wrote:
Hello there !
I am trying to fill and then compare two arrays: one
filled by a
foreach construct, and the second by a while construct.
I check both with a print_r to be sure that both are correctly filled
(which seems to be the case). But then, when I try to compare
them with
a array_diff , the result is incoherent (at least to me...). I have
tried several variant, but I don't understand what's wrong. Sure you
guys can tell me where is my mistake.
Here is the code:
?
// creates first array (from a _POST[''] )
foreach ($_POST['input_auteur'] AS $aut_ligne) {
$part_ligne = explode(,,$aut_ligne);
$arr1[] = (string) $part_ligne['2'];
}
echo Array from POST :;
print_r ($arr1);
I don't have any great insight into what appear to be your odd array_diff()
results, but try using var_dump() instead of print_r() -- it will give you
more information about *exactly* what values are stored in the arrays, and
it may just be that you'll spot an odd discrepancy.
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Beckett Park, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211
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RE: [PHP] A to Z incremental
On 22 April 2004 15:22, Paul wrote:
Hi!
Got this script:
?php
for($i='A';$i='Z';$i++){ echo $i.' | '; }
The output is:
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P
Q | R | S | T | U | V | W | X | Y | Z |
AA | AB | AC |
...
YX | YY | YZ |
where is should display only letters from A to Z.
Why is that?
Because 'Z'++ (if you see what I mean!) is 'AA'.
(So, at the end of the loop iteration which echoes 'Z', $i becomes 'AA',
which is 'Z', and as a result the loop continues on through all the values
you saw. The loop terminates after 'YZ' is echoed, since at the end of that
iteration $i increments to 'ZA', which is not 'Z', and Bob's your uncle!)
One way of solving this is:
for ($i='A'; $i!='AA'; $i++)
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Beckett Park, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211
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RE: [PHP] Unwanted e-mails
On 19 April 2004 23:02, Lester Caine wrote: OK 72 Hours later I got 6 bounce messages back related to Fridays eMails direct to lists.php.net ( one of which is yet another attempt to unsubscribe from php-db ) Delivery-date: Mon, 19 Apr 2004 20:30:30 +0100 Received: from dswu27.btconnect.com ([193.113.154.28]) by mx1.mail.uk.clara.net with smtp (Exim 4.30) id 1BFeTO-000KR9-8m for [EMAIL PROTECTED]; Mon, 19 Apr 2004 20:30:30 +0100 Received: from btconnect.com by dswu27.btconnect.com id [EMAIL PROTECTED]; Mon, 19 Apr 2004 20:27:04 +0100 Message-Type: Delivery Report Yeah, get that bounce every time a message is sent to php-general. It's obviously coming from a bad address subscribed to the list, though, as all messages appear on the list long before that bounce comes in. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] lt;buttongt; tag
On 20 April 2004 09:45, Nunners wrote: button type=submit is not a standard HTML v4 tag Bzzt! Completely wrong. See http://www.w3.org/TR/html401/interact/forms.html#h-17.5. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Unwanted e-mails
On 20 April 2004 07:47, Lester Caine wrote: Chris W. Parker wrote: but your messages *ARE* getting accepted otherwise i would not be reading this email right now! NO THEY ARE NOT - This reply HAS to be sent via the newsgroup! The bounce messages I am getting are as a result of .php.net NOT accepting my perfectly valid posts! No, I don't believe so -- the bounce you posted looks exactly like the one I get from every message posted to the list, and my messages get through fine. In fact, the bounce generally arrives days after the message has made it to the list! Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Logic problem
On 20 April 2004 16:44, Alex Hogan wrote:
foreach ( $array1 as $flds ) {
if ( $start ) {
$query .= $flds;
$start = false;
} else {
$query .= , . $flds;
}
}
$query .= implode(, , $array1);
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Beckett Park, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211
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RE: [PHP] RegExp (preg) - how to split long string to length,wit hout cutting words
On 16 April 2004 11:47, moondog wrote: Hi, I am a RegExp newbie, and need help with this: i have a long string (500 / 600 chars), and need to split it in lines. Each line has a maximum length (20), and words in the line shouldn't be cut, instead the line should end at the end of the word whose last char position is = 20. the effect is like a left align in a word processor, where lines wrap at 20, and the words are not cut. example: string= a b c d e ff g (char)112233444 1234567890123456789012345678901234567890123456 regexp should output: a b c d e ff g Is it a sensible thing to do this job with regExp or is it better to use the usual string functions? The latter -- the usual string function in this case being http://www.php.net/wordwrap. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] unexpected $ in ... WTF?
On 14 April 2004 21:30, Brian V Bonini wrote: Parse error: parse error, unexpected $ in /foo/bar/foo.php4 on line 150 Just to add to previous responses, '$' is PHP's unhelpful notation for end of file (think regex end-of-string anchor, if it helps!). Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] PHP version usage statistics?
On 15 April 2004 06:18, Curt Zirzow wrote: * Thus wrote Jeffrey Tavares ([EMAIL PROTECTED]): netcraft shows how many servers have php, but nothing specific about versions. Maybe I'm wrong, but I checked all over netcraft's site. Sorry if I put ya on a bad lead. I could have swore they had some stats like that there, I guess I was wrong I can't find them either. I'm also sure such statistics used to exist in the free reports either at Netcraft or Security Space -- I guess if they're still available they've moved to the paid-for category. ;( Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Maths not working.. or is it me?
On 15 April 2004 10:59, [EMAIL PROTECTED] wrote: Im trying to implement some really simply credit card encryption... I know it's not perfect, but it's a stop gap measure until I do this properly... however... To Encrypt before I put into my DB, I'm using this formula... $encrypt = $CardNumber / ($ExpiryYear * 41.9); (41.9 is just a random No to help encrpt the data) To see the correct credit card No later, I'm using this formula: $decrypt = $row[encryptedno] * $row[expiryyear] * 41.9; The credit car No I'm testing with is: 1234123412341234 and the Exp year is 2008 However, I keep getting this result... 1.2341234123412E+15 What on earth am I doing wrong? Trying to express your credit card number as an integer or a float, instead of a string. On a 32-bit architecture, an integer can't hold a number that big -- and a float can probably only express about 14 significant digits, so that's no good either. Subject to those restrictions, the result you're getting is a correct floating point representation of your original number, so your maths is fine. You'd be better off keeping your CC number as a string and using one of the string encodings or encryptions. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Session confusion again :( - Thanks!
On 14 April 2004 17:53, Paul Fine wrote:
Thanks guys but I have register globals ON so once the
session variable is
defined I should be able to address it without specifying $_SESSION ?
I don't think the documentation is clear on this point -- it may be that the
association between the global variable and the $_SESSION array doesn't
take until the next page load and session_start(), and in any case the
behaviour seems to be different between 4.2 and 4.3. I *think* you may have
to session_register('element_countp') to make the association in the current
page, but this is buggy and seriously disrecommended in 4.2 (although fixed
in 4.3).
Personally, I'd just use the $_SESSION[] variable anyway, and not bother
with the equivalent global.
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Beckett Park, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211
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RE: [PHP] php dateadd function?
On 30 April 2004 13:23, Angelo Zanetti wrote: Hi all, I have found this code that is supposedly meant to be used for a dateadd function. I only need it for the adding of days, my problem is that it doesnt validate when adding days at the end of the month. eg: march 31 and the I add 2 days is meant to return april 2. But it returns March 33. Have you actually *tried* it? Because that's not what this code does. (Take a look at http://www.php.net/mktime for why not.) Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] php dateadd function?
On 30 April 2004 13:45, Angelo Zanetti wrote: Hi Mike, I actually changed the return statement to return the date in a format that is different from the mktime format, so that would explain it. So run the mktime(), then format the resulting timestamp. Job done. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] umask() and chmod()
On 15 April 2004 16:26, David T-G wrote: Hi, all -- When I move_uploaded_file() a file into place, I want to give it the correct permissions; by default they are 600 (rw-/---/--). I already have the umask set correctly for any given situation in anticipation of creating directories, and that works for creating files from scratch, but chmod() needs a permissions setting rather than a umask. The challenge is in representing this as octal. With some mucking around I was able to print $u = decoct(umask()) ; $m = 0777 ; $r = decoct($m) - $u ; print The setting is $r\n ; and get The setting is 664 when umask returns 113. All is great, right? Well, no... I need to convert that 664 octal value into an octal representation of 0664 to feed to chmod() -- and apparently I can't just $r = 0.$r ; That would be $r = '0'.$r; I'm not sure, however, that this is a totally foolproof way of doing it, as it would fail with any permission set (however unlikely) where the owner odgit was a zero -- perhaps you should be sprintf()-ing it? Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Explanation of cookie behavior
On 15 April 2004 15:43, Ryan Schefke wrote: I'm running a login script where the user enters login/password and if it matches what I have in my db and their account is active, I set a login cookie (login_ck) and an authentication cookie (authenticate_ck). If the login and authentication cookies are set when the user goes back to the login page I prompt with welcome back.. Now, I refresh the login page a few times, sometimes it gives the welcome back prompt. Then after anywhere from 2-5 refreshes, it deletes the login cookie but the authenticate cookie persists. Any ideas why this is happening? I'm setting my cookies like this: setcookie (authenticate_ck, $daysRemaining); //set cookie for active account, for 30days setcookie (login_ck, $lo, time()+ 60*60*24*30, , , 0); //set cookie for login, for 30days You're quoting all sorts of things that shouldn't be. The above should read: setcookie (authenticate_ck, $daysRemaining); //set cookie for active account, for 30days setcookie (login_ck, $lo, time()+ 60*60*24*30, , , 0); //set cookie for login, for 30days Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] umask() and chmod()
On 15 April 2004 17:26, David T-G wrote:
Mike, et al --
...and then Ford, Mike [LSS] said...
%
% On 15 April 2004 16:26, David T-G wrote:
%
% but chmod() needs a permissions setting rather than a umask. %
% The challenge is in representing this as octal. With some ...
% to feed to chmod() -- and apparently I can't just %
%$r = 0.$r ;
%
% That would be
%
% $r = '0'.$r;
Hmmm... OK.
%
% I'm not sure, however, that this is a totally foolproof way
of doing it, as
% it would fail with any permission set (however unlikely)
where the owner
Would it? Suppose I were setting it to 007; that would be 0007 with
the leading zero and should still be fine.
No. The way you're building it, $r would be an integer before you add the leading
zero -- 007 would thus be represented as just 7, and adding the leading zero the way
I've shown above would give '07'. Not good.
% odgit was a zero -- perhaps you should be sprintf()-ing it?
Heck, I'll take any advice I can get :-) I think, though, that the
problem is that I'm trying to use a string -- if I can get it built
correctly in the first place -- as an octal digit.
Possibly, but I think you're making the whole thing more complicated than it need be.
After a quick look at the manual, I'd suggest this:
$u = umask(); // Integer value of umask -- no need to convert
// to octal representation as that's just a human
// convenience of no value to your computer ;)
$m = 0777; // $m is now an integer corresponding to octal
// 0777 again, the visual representation of this
// in octal (or binary, or hex...) is just a
// human convenience.
$r = $m ^ $u; // remove bits set in $u from $m (subtract should
// work too, but since this is technically a
// bitwise operation, I prefer the bitwise
// operator!
// $r is now the correct value, and just needs representing in octal:
$r = sprintf('%04o', $r);
// Done -- use it as you wish.
Of course, I've been quite verbose there -- the short version is:
$r = sprintf('%04o', 0777 ^ umask());
... ;))
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Beckett Park, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211
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RE: [PHP] umask() and chmod()
On 15 April 2004 16:26, David T-G wrote: Hi, all -- When I move_uploaded_file() a file into place, I want to give it the correct permissions; by default they are 600 (rw-/---/--). I already have the umask set correctly for any given situation in anticipation of creating directories, and that works for creating files from scratch, but chmod() needs a permissions setting rather than a umask. The challenge is in representing this as octal. With some mucking around I was able to print $u = decoct(umask()) ; $m = 0777 ; $r = decoct($m) - $u ; print The setting is $r\n ; I've just re-read this properly, and realised you want to feed the end value to chmod() -- so all the guff about octal representations is a complete red herring. What you want to feed to the 2nd parameter of chmod() is just: 0777 ^ umask() Within the computer, the value is just an integer, and that's what umask() provides and what chmod() expects for its 2nd argument -- so no conversions required. Even 0777 is an integer -- it's just a different way of representing 511 which is more understandable to us poor humans in that context. Your original offering was, in fact, barking up the wrong tree -- what it was printing out, although it looked right, was the *decimal* value 664, which in octal would be 01230 and really not what you want. I guess what this boils down to is that integers are just integers when you manipulate them in your script -- octal, decimal, hex and any other representations are just convenient notations for making them more human readable. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Re: Need help
On 09 April 2004 16:39, Strogg wrote: [snip original problem for which a fix has been posted] $taxrate = 0.175; //local tax rate in UK is 17.5% You should note that UK VAT is always rounded *down*, so that this: $totalamount = $totalamount * (1 + $taxrate); should be something like: $totalamount += round($totalamount*$taxrate-0.00499, 2); or: $totalamount += floor($totalamount*taxrate*100)/100; Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Finding value in multi-dimensional array - Solved
On 10 April 2004 02:21, Verdon Vaillancourt wrote:
Hi,
Thanks much to Richard and Andy for the input :) This one
did the job...
if($_SESSION['OBJ_user']-modSettings['listings']['active'] == '1') {
I'm still not entirely sure I understand the syntax ;)
Well, by relating back to your print_r() and building up the syntax by stages, you can
see that $_SESSION['OBJ_user'] is...
phpws_user Object
... an OBJECT (of class phpws_user), with a property of ($_SESSION['OBJ_user']-)...
(
[modSettings] = Array
... modSettings ($_SESSION['OBJ_user']-modSettings) which is an ARRAY
($_SESSION['OBJ_user']-modSettings[]), which has a subscript (or key) of...
(
[listings] = Array
... 'listings' ($_SESSION['OBJ_user']-modSettings['listings']), which is in turn an
ARRAY ($_SESSION['OBJ_user']-modSettings['listings'][]), which has a subscript of...
(
[active] = 1
... 'active' ($_SESSION['OBJ_user']-modSettings['listings']['active']). TaDa!
HTH.
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Beckett Park, LEEDS, LS6 3QS, United Kingdom
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RE: [PHP] Most bizarre date problem ever
On 10 April 2004 16:11, Brian Dunning wrote: Check this out: I'm returning a list of the last 30 days, looping through i, subtracting it from $end_date where $end_date is 2004-04-10 00:00:00. I'm just trying to derive a timestamp $check_date for each iteration, like 1081321200. Here's the code within the loop: $check_date = mktime(0, 0, 0, substr($end_date, 5, 2), substr($end_date, 8, 2) - $i, substr($end_date, 0, 4), -1); Note that this works PERFECTLY for every date, and always has. Except for one particular day. When $end_date - $i is supposed to be April 4, the timestamp returned is -7262, which it thinks is 12/31/1969. This looks like a Daylight Savings timeshift bug on your system (and there are more of those around than you can shake a stick at!). Because of such problems, you should never use a time anywhere near the DST hour-change when you are calculating consecutive dates, and most especially not a time that could conceivably be shifted into the adjacent day (i.e. 00:00-00:59) -- always use something squarely in the middle of the day, such as midday: $check_date = mktime(12, 0, 0, substr($end_date, 5, 2), substr($end_date, 8, 2) - $i, substr($end_date, 0, 4), -1); Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Session confusion again :( - Thanks!
On 14 April 2004 17:40, BOOT wrote: Any help with this would be appreciated. the p and v lnames are posted from a form. In the form, the user seperates last names with a /. What I can't understand is why Test1 shows as nothing, while Test2 shows the value I wanted. Thanks a lot! $p_lnames= explode(/, $p_lnames); $_SESSION['element_countp'] = count($p_lnames); echo TEST 1.$element_countp; Because here, you haven't assigned anything to $element_countp -- you've only assigned it to $_SESSION['element_countp']. (With register_globals Off, the two are not the same.) If you turned your error_reporting level up to E_ALL, you'd probably get a warning at this point saying that $element_countp is undefined. $element_countp = $_SESSION['element_countp']; echo TEST 2.$element_countp; Now you've assigned a value to $register_countp, so you get it output. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: RE: [PHP] Validating form field text input to be a specific v ariable type
On 07 April 2004 03:03, [EMAIL PROTECTED] wrote:
From: Merritt, Dave [EMAIL PROTECTED]
Okay seems to makes sense, but when I do the following it doesn't
appear to be working correctly, or I'm viewing my logic incorrectly
one:
if ( (int)$PageOptions['Default'] == $PageOptions['Default'] ) {
This works:
if(strcmp((int)$PageOptions['Default'],$PageOptions['Default'])==0)
This does too:
if ((string)(int)$PageOptions['Default'] === $PageOptions['Default'])
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Beckett Park, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211
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RE: [PHP] warning:supplied argument to mysql_fetch_array not vali d resource type?
On 07 April 2004 15:56, Andy B wrote:
i have this query set:
$EditQuery=select * from $EventsTable where Id='$edit';
$query=mysql_query($EditQuery)||die(mysql_error());
Don't use || for this, use or -- they have different precedence, and it *matters*.
//later in the code i have this:
while($old=mysql_fetch_array($query)){
//do stuff
}
Cheers!
Mike
-
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JG125, James Graham Building, Leeds Metropolitan University,
Beckett Park, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
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RE: [PHP] Validating form field text input to be a specificvariab le type
On 07 April 2004 15:48, William Lovaton wrote: I guess that works but every possible solution posted in this thread is a lot of lines of code to perform a simple validation. Uh -- how are: if(strcmp((int)$PageOptions['Default'],$PageOptions['Default'])==0) if ((string)(int)$PageOptions['Default'] === $PageOptions['Default']) a lot of lines of code? Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Array_keys problem
On 04 April 2004 01:13, Robin 'Sparky' Kopetzky wrote:
function key_exists($ps_key)
{
if ( in_array($ps_key,
array_keys($this-ma_arguments)) ) {
return true;
} else {
return false;
}
}
Ummm --
function key_exists($ps_key)
{
return array_key_exists($ps_key, this-ma_arguments);
}
?
(Assuming it's passed the is_array() test, of course!)
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Beckett Park, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211
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RE: [PHP] Header Redirect POST
On 25 March 2004 20:17, Chris Thomas wrote:
I am not sure if this was designed like this, or if its just
something im doing wrong.
Im posting some data to a processing page, where i handle it then use
Header('Location: other.php') to direct me to another page.
The problem that im running into is that the posted data is available
in other.php.
I would like to get it so that in other.php $_POST should be
an empty array
At a guess, you're using Apache and it's doing an internal redirect because you've
used a relative pathname (so the file must be in the same document root!); in this
case, Apache just does a silent internal substitution of the redirect page, and all
data associated with the context will remain intact -- there is no round-trip back to
your browser.
If you use an absolute URL in the Location: header, Apache will return the redirect to
your browser -- and because your browser now knows it's a genuine new request, the
POST data is not resent.
The trick is to look at the URL appearing in your browser's address bar -- if it stays
as the originally requested address, Apache did an internal redirect; if it changes to
the redirect address, it was an external redirect which round-tripped to your browser.
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Beckett Park, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211
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RE: [PHP] $_POST not working with str_replace
On 24 March 2004 22:28, PHP Email List wrote: And ? #2 are there any settings within PHP that would limit my ability to visually display the contents of a POST variable on a .rtf document as opposed to being displayed on the browser? Yes -- take a look at the variables_order directive (http://uk.php.net/manual/en/configuration.directives.php#ini.variables-order) -- it's not immediately clear from its description that this is a relevant setting, but on the Predefined variables page (http://uk.php.net/manual/en/language.variables.predefined.php), the last sentence in the first section (just above the PHP Superglobals heading) says: If certain variables in variables_order are not set, their appropriate PHP predefined arrays are also left empty. It's clear from this that if your variables_order setting does not include P, the $_POST array will not be populated in your scripts. HTH Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] login problem fixed!!
On 25 March 2004 09:32, Andy B wrote:
the final line then is: if($result==false) {//test the query
itself..if false then
print whatever
} else {//if it did work then do this...}
but of course it could always be turned around to:
if($result==true) {...} but dont know what way is better or
if it is a personal choice...
Well, which way round you do it is pretty much personal preference, but on a more
general note whenever you find yourself writing a test like $x==true or $x==false, you
should stop and rethink it because there's something wrong.
Either:
(a) you should be using the === operator, because it matters whether the value is
actually a Boolean true or false, and not just some other non-Boolean value that is
taken as equivalent to true or false.
Or:
(b) you are writing inefficent and less readable code. Consider what happens in the
following cases:
(i) if ($x==true)
- PHP retrieves the value of $x and converts it to Boolean
- compares it to the Boolean value true
- if it was true uses, er, true; if not, uses false
(ii) if ($x)
- PHP retrieves the value of $x and converts it to Boolean
- and uses it
Why go to the trouble of forcing PHP to do a comparison just to produce the value it
had already thought of, when you can just use it as is?
The scenario is similar with if ($x==false), except that the alternative if(!$x) (if
not x) performs a nice efficient Boolean not instead of the more expensive comparison.
This lean, mean approach also tends to lead to better variable naming, and code which
is readable in a more natural fashion; for example:
if ($is_raining) open_umbrella();
is closer to the natural if it's raining, open your umbrella than:
if ($raining==true) open_umbrella();
/rant ;)
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Beckett Park, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
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RE: [PHP] session_register vs. $_SESSION superglobal
-Original Message-
From: Kim L. Laage [mailto:[EMAIL PROTECTED]
Sent: 24 March 2004 10:52
Once again, thanks for the replies...
But I'm afraid I'm not getting this right... I've tested with
the various
versions of $_SESSION syntax which I've been recommended by
the people on
this group. i.e.:
$_SESSION['s_user'] = $_POST['s_user'];
$_SESSION['s_pass'] = $_POST['s_pass'];
Those assignments look good.
or
$_SESSION['s_user'] = s_user;
$_SESSION['s_pass'] = s_pass;
So do those (assuming you want the value of the s_user session variable to
be s_user and the s_pass session variable to be s_pass!).
None of this seems to really make a difference I was
wondering if this
was due to the nature of the array being used...
If I understand you right
session_register(s_user);
session_register(s_pass);
Don't do that. If you're using the $_SESSION[] array, you shouldn't use
session_register() (or any of its friends such as session_unregister(),
session_is_registered(), etc.). Just assign values to the $_SESSION[]
array, and test its elements directly with, e.g., isset().
adds the values s_user and s_pass to an array, I suppose
by index so the
key/value pairs would look like this 0/s_user and
1/s_pass - correct?
No. If anything, these would give you $_SESSION['s_user']==NULL and
$_SESSION['s_pass']==NULL -- but, like I said, just don't bother.
Effectively, $_SESSION[] *is* your session -- assigning a value to an
element of $_SESSION implicitly registers that elements key as a session
variable.
[...]
As I said I'm not getting any real headway here, so I've
posted the relevant
pages below in the hope that someone had the time and
inclination to take a
look at them.
I've added a few comments of my own and removed the MySQL
credentials 8-)
--- START session.php START ---
?php
session_start();
include(_include/loginFunc.php);
/* ==
* When we got this code, it looked like this:
*
* session_register(s_user);
* session_register(s_pass);
*
* ===
*/
$_SESSION['s_user'] = s_user;
$_SESSION['s_pass'] = s_pass;
Using $_SESSION{}, you don't need an equivalent of session_register(), so
just forget these lines.
[...]
?php
# generic stuff
/* =
* Password and Username directly in the code?!?!?
*
* I commented on this earlier in the thread, but I would like to
* your comments on this... personally I think it's a terrible way
* of handling security!
*
* =
*/
I agree with that. I'd definitely set these up in an include file which is
*outside* the Web server hierarchy (or alternatively in my database, or a
config file which I fread).
$LOGIN_INFO = centerLOGIN/center;
$HEADER = ADMIN;
$USER = admin;
$PASS = admin;
$WIDTH = 600;
$logout_text = centerh3You have now logged out from the Admin
Application/h3/center;
$login_page = adminHome.php;
#-#
# login functions #
#-#
function checklogin($s_user, $s_pass)
{
global $USER,$PASS;
if($s_user == $USER $s_pass == $PASS)
return OK;
else
return 0;
}
Ugh! Any function which returns a straight yes/no value should return
Boolean TRUE or FALSE, since that's what those are designed for. The above
could then be written much more simply as:
return ($s_user == $USER $s_pass == $PASS);
[...]
function dologout()
{
global $logout_text,$login_page;
session_destroy();
I'd add a session_write_close() here, I think.
echo $logout_text;
echo a href='$login_page'centerh3Log in/h3/center/a;
}
function dologin($user,$pass)
{
global $s_user, $s_pass;
if($user $pass)
{
$s_user = $user;
$s_pass = $pass;
}
I can't see anywhere in what you've posted that you assign *real* values to
$_SESSION['s_user'] and $_SESSION['s_pass'], so I assume that's what's
supposed to be happening here -- so these two lines should be:
$_SESSION['s_user'] = $user;
$_SESSION['s_pass'] = $pass;
Incidentally, you also don't seem to unpack $user and $pass from the
$_POST[] array, so either you're running with register_globals=On (bad) or
these variables will be undefined (also bad!). In any case, I'd probably
prefer to access the $_POST[] array directly, and write something like:
if (@$_POST['user'] @$_POST['pass']):
$_SESSION['s_user'] = $_POST['user'];
$_SESSION['s_pass'] = $_POST['pass'];
else:
...
endif;
Which makes it pellucidly clear what's going on (and also eliminates the
need for the ugly global statement).
I also notice you appear to have variables called $USER and $user, as well
as $PASS and $pass. This is *terrible* programming style -- differentiating
purely by case is a disaster waiting to happen, and should be avoided by
renaming one of each pair appropriately.
Hope this
RE: [PHP] $_POST not working with str_replace
-Original Message- From: PHP Email List [mailto:[EMAIL PROTECTED] Sent: 24 March 2004 00:13 what happens if you do the following? ?php $name = $_POST['FNAME']; echo ::$name::; $output = str_replace(FNAME, $name, $output); ? ?? I tried that, but I know I can get the values from the $_POST array as per John's email about using print_r($_POST) to see what was showing. And yes I get the value I wanted in between the :: ::. Thanks for trying though, Anyone else have any ideas on this problem? OK, if $name is ok, what's in $output at this point? Try var_dump()-ing that. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] looping variables from a file
-Original Message-
From: Ryan A [mailto:[EMAIL PROTECTED]
Sent: 24 March 2004 17:30
Hi,
I have a config_inc.php file which has around 60 parameters set in it.
eg:
$db_name=something;
$db_user=root;
$db_pass=blah;
$x_installed_path=/home/blah/;
etc
I have a requirment of echoing out these statements to the
client to show him how his setup is:
eg:
echo DB_name=font color green.$db_name./font;
if I was getting variables via a POST or a GET I would use
something like
this:
foreach ($_POST as $key = $val)
{ echo $key=font color green $value /font;}
as you can imagine the above loop will save a crapload of
time instead of partially hard codeing each key and value
but how do I do this while reading from a file? and the other
big problem is the file contains one or two arrays...
One possibility, if you're able to change the format of the config_inc file
without causing too much havoc, would be to write it something like this:
$CONFIG = array(
'db_name' = 'something',
'db_user' = 'root',
'db_pass' = 'blah',
'x_installed_path = '/home/blah/',
...
);
Then you have your array all neatly set up for you. (And you can always
extract($CONFIG) whilst you convert all your other usages to $CONFIG[]...!!)
I do like John Holmes's solution, though!
As far as the arrays-within-the-array goes, this sounds like a perfect setup
for a recursive procedure. If you write it to emit, say, an unordered list,
then each recursive call will produce a nested list and, hey presto!, you've
got nicely structured output too.
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services, JG125, James
Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6
3QS, United Kingdom
Email: [EMAIL PROTECTED]
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RE: [PHP] Peculiar number_format() behaviour
On 22 March 2004 10:31, Paul Hopkins wrote: Here's the code: ?php $a = 676.6; $b = 0.175; $y = $a * (1 + $b); echo(y: . $a . * (1 + . $b . ) = $yBR); $z = $a + ($a * $b); echo(z: . $a . + ( . $a . * . $b . ) = $zBR); echo(number format(y)=.number_format($y, 2).BR); echo(number format(z)=.number_format($z, 2).BR); Here's the output: y: 676.6 * (1 + 0.175) = 795.005 z: 676.6 + ( 676.6 * 0.175) = 795.005 number format(y)=795.01 number format(z)=795.00 This is because of the inherent minor imprecision in the way floating point numbers are represented in a computer -- please see the big fat note headed Floating point precision at http://www.php.net/manual/en/language.types.float.php. You should never rely on the absolute accuracy of floating point numbers -- even very simple calculations can be off by an infinitesimal but nonetheless significant amount (for example, 10.0/3*3 almost never equals 10.0 ;). Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Decoding a URL without decoding values
On 21 March 2004 16:03, Ben Ramsey wrote: I've got a querystring that looks like this: ?url=http%3A%2F%2Ftest.alpharetta.ga.us%2Findex.php%3Fm%3Dlink s%26category%3DRecreation%2B%2526%2BParks%26go.x%3D22%26go.y%3D7 As you can gather, I'm trying to pass a URL to another script for some processing. Before I urlencode() the URL and pass it to the query string, it looks like this: http://test.alpharetta.ga.us/index.php?m=linkscategory=Recrea tion+%26+Parksgo.x=22go.y=7 As you can see, there are already encoded entities in the URL, which are further encoded when passed through urlencode(). The problem I'm having is that when I urldecode() the string from $_GET[url], I get the following string: Don't. GET values are automatically urldecoded once by the Web server before they ever reach your script. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Simple: Whats wrong with this?
On 17 March 2004 17:09, Chris W. Parker wrote: $var++ is a post incrementer meaning the value is updated at the next command*. * i'm not exactly sure how the compiler determines when to post increment, but i think i'm correct. Not quite -- the increment is performed immediately after the access -- in fact, as part of the same operation. So: $x = 3; $y = ($x++ * 2) + $x; is likely to give you $y==10, not 9. (I say is likely to, because you don't have any absolute cast-iron guarantees that a compiler won't, if it thinks it has good reason, commute the above to $x + ($x++ * 2), which would give you $y==9! In general, it's best to regard the value of a pre- or post-incremented variable as uncertain in the rest of the expression containing it.) Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Changes in php.ini have no effect
On 16 March 2004 15:10, Harry Sufehmi wrote: Problem: Changes made in c:\winnt\php.ini doesn't have any effect even after restarting Apache. Steps tried: # looking for other copies of php.ini - none found # entering the related values in Apache's httpd.conf file instead - works for some values, but not for others. # entering the related values in Apache's .htaccess file - doesn't work at all PHP version: 4.3.3 phpinfo() output - http://www.harrysufehmi.com/inf.php If you at the output of phpinfo(), it stated that the configurations were read from c:\winnt\php.ini No, it actually states: Configuration File (php.ini) Path C:\WINNT which means that it's looking in C:\WINNT for your php.ini file, but hasn't found one -- if it found a php.ini there, that line would have read: Configuration File (php.ini) Path C:\WINNT\php.ini As you're on Windows, my guess is that the old hidden extension trick is in play and you've actually got a file called something like php.ini.txt -- try turning off the Windows option that hides recognised extensions, and taking another look. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Changes in php.ini have no effect
On 16 March 2004 19:01, Harry Sufehmi wrote: On 16/03/2004 at 18:18 Ford, Mike [LSS] wrote: On 16 March 2004 15:10, Harry Sufehmi wrote: Problem: Changes made in c:\winnt\php.ini doesn't have any effect even after restarting Apache. PHP version: 4.3.3 phpinfo() output - http://www.harrysufehmi.com/inf.php If you at the output of phpinfo(), it stated that the configurations were read from c:\winnt\php.ini No, it actually states: Configuration File (php.ini) Path C:\WINNT which means that it's looking in C:\WINNT for your php.ini file, but hasn't found one -- if it found a php.ini there, that line would have read: Configuration File (php.ini) Path C:\WINNT\php.ini As you're on Windows, my guess is that the old hidden extension trick is in play and you've actually got a file called something like php.ini.txt -- Good one but I just checked (from command prompt) and indeed php.ini is there (not php.ini.txt), double-checked as well just to make sure. H'm! Permissions problem? Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] use of @ operator to suppress errors
On 15 March 2004 12:12, Stuart wrote: Ben Joyce wrote: On the contrary, the @ prefix suppresses all errors for the block of code it precedes where a block is a function or variable. Essentially it sets error_reporting to 0 while it evaluates that block. In fact, to be completely accurate, @ is an operator and suppresses error in the *expression* to which it applies -- this means you can affect what it applies to by using parentheses. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] If Using PHP CLI to Query Oracle8I DB, is Version Numbe r Critical?
-Original Message- From: Martin McCormick [mailto:[EMAIL PROTECTED] Sent: 10 March 2004 21:31 To: [EMAIL PROTECTED] Subject: [PHP] If Using PHP CLI to Query Oracle8I DB, is Version Number Critical? We use PHP 4.3.4 (cli) to query a Microsoft SQL database server with no problem. We are now going to attempt the same sort of thing, only with a Pinnacle server running an Oracle8I data base. The php installation is on a FreeBSD UNIX platform and the Pinnacle server is on a Windows platform. Being very new to all this, my question is simply whether or not this should work? I am concerned that php comes with an Oracle7 client, but the data base I need to query and write back to is Oracle8I which might, someday, upgrade to a higher version. For an Oracle 8i database you want the OCI extension, not the Oracle extension. OCI should be the extension of choice for Oracle version 7 and later. If I am using the PHP CLI to extract data from the server with, of course, correct syntax, does the Oracle version even matter? No, not as long as it's supported by the extension you use. OCI should be fine for Oracle 8i and subsequent versions -- there have certainly been users of 9i posting to this or the PHP-DB list. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] $_GET, expressions and conditional statements
-Original Message-
From: Jason Wong [mailto:[EMAIL PROTECTED]
Sent: 11 March 2004 14:19
On Thursday 11 March 2004 21:15, I.A. Gray wrote:
What I want the
script to do is set $SPORDER to this value. If
$_GET['ORDER'] is not
set then it gets the default value (ASC), if this is any other than
ASC, DESC or RAND (ie. someone has messed with the variables in the
URL) then it also gets the default (ASC). Finally if
$_GET['ORDER'] is
set to RAND then I want $SPORDER to equal RAND() so that I
can use the
value in the SQL query.
Try something like:
if (isset($_GET['ORDER'])) {
switch ($_GET['ORDER']) {
case 'ASC' :
case 'DESC' :
case 'RAND' :
$SPORDER = $_GET['ORDER'];
break;
default :
$SPORDER = 'ASC';
}}
else {
$SPORDER = 'ASC';
}
Or even:
switch (@$_GET['ORDER']):
case 'ASC':
case 'DESC':
$SPORDER = $_GET['ORDER'];
break;
case 'RAND':
$SPORDER = 'RAND()';
break;
default :
$SPORDER = 'ASC';
endswitch;
(which, I think, also gives the requested result for 'RAND').
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services, JG125, James
Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6
3QS, United Kingdom
Email: [EMAIL PROTECTED]
Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211
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RE: [PHP] Return value efficiency question
On 10 March 2004 13:48, Burhan Khalid wrote:
Kelly Hallman wrote:
Consider this method:
function xyz() {
return $this-data = unserialize($this-serial); }
Maybe I'm just being stupid, but wouldn't that simply return true if
the assignment was successful, and false otherwise?
Nope. The value of an assignment expression is the value assigned, so that
will return whatever was assigned into $this-data.
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Beckett Park, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211
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RE: [PHP] absolute path
On 08 March 2004 14:00, Mike Mapsnac wrote: I'm looking for PHP function that takes $filename as parameter and returns absolute path. I looked on php.net but cannot find such function. Any ideas if such function exist? How about http://www.php.net/realpath ? Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] PHP Sessions - Cookies Not Saving
On 05 March 2004 03:33, Paul Higgins wrote: When I do: print_r($_COOKIE); I get the following: Array ( [PHPSESSID] = 11781ce29c68ca7ef563110f37e43f38 ) Does that mean its setting the Cookie? Yes. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] ASCII
On 05 March 2004 16:02, csko wrote: Hi! Is there a function to convert a ASCII char to decimal or binary? Or a program? csko http://www.php.net/ord Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] php session ID attached to URL
On 04 March 2004 10:25, matthew oatham wrote: Hi, I have a quick question about PHP session. In my website I have included the command session_start(); at the top of every page. Firstly is this correct? Yes (sort of). The real deal is that session_start() has to occur before you start sending any actual content -- if you have, say, a lot of initialization logic, this could actually be quite a long way into your script. Secondly when I visit the website the first link I click on has the php session ID appended to the url however this php session ID is not appended to subsequent links ! Is this correct behaviour? Yes. It's simply the nature of cookies that it takes at least one round trip to the server to work out if you have them enabled -- and on that trip, the only way to propagate the session id is to pass it in the URL. What is going on? Can anyone explain? On your initial visit to the site, you will not have a session-id cookie set, so PHP doesn't know if you have cookies enabled or not. When you first click a link, therefore, the session id is appended to the URL, *and* a session-id cookie header is sent. On the next (and subsequent) clicks, the cookie will be received from your browser, PHP knows you have cookies enabled, and therefore relies on the cookie and does not add the session id to the URL. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] convert a strtotime date into a text representation of the date
On 04 March 2004 04:37, Andy B wrote:
hi.
i found strtotime and it seems to work but not quite sure if i know
how to use it right... here is my code:
?php
$time= strtotime(third saturday january 2005);
echo date(M/D/YY, $time);
i wanted it to take the third saturday of next year (2005)
and say do this: saturday january 24?? 2005 for the output.
All I get for the output though is sat/june/20092009?? I'm sort of
confused now...
any ideas on what the problem is?
Firstly, 'Y' is date()'s format letter for a 4-digit year -- so 'YY' outputs
the 4-digit year twice. If you want a 2-digit year, the format code is 'y'
Now, on to your more serious problem. strtotime() won't let you have both
an absolute date and a relative date in the same string -- if you try, the
absolute date alwys seems to take precedence. So hte 'third saturday'
phrase in your string is completely ignored.
Looking at 'january 2005': a month on its own has no particular meaning to
strtotime(), since valid calendar date formats containing a literal month
name either have the day number in front, or are 'month day year' or 'month
day'. Only the latter of these fits your string, so we have to consider
'january 2005' as meaning the 2005th day of January, with the current year
being assumed by default; by a quick estimate, the 2005th January 2004 is
roughly 180 days into 2009, or somewhere near the end of June 2009 -- which,
unsurprisingly, is the result you've been getting.
The way to do what you want is in two steps -- first getting an absolute
value for 1-Jan-2005, and then finding the third Saturday from that base
date. There are probably several valid ways to do this, but here are two
possibilities:
strtotime('third saturday', strtotime('1 jan 2005'));
strtotime('third saturday', mktime(12, 0, 0, 1, 1, 2005));
(Note: I strongly advocate using midday-ish as a base time when calculating
relative dates, because of the possible adverse effects of a DST timeshift
intervening if you use anything in the 00:00-03:00 range -- I'm sure dealing
exclusively with January is probably fairly safe in this respect, but
getting into the habit of using 12:00:00 for such calculations is just plain
good practice.)
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Beckett Park, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211
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RE: [PHP] Hidden File Upload Limit
On 04 March 2004 16:44, Raditha Dissanayake wrote: You didn't tell us the error message and you have not mentioned if you tried LimitRequestBody and max_input_time and max_execution_time. ... or if you restarted the Web server after each change to php.ini. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] IE6 with latest hotfixes breaks forms ...
On 02 March 2004 00:04, Marc G. Fournier wrote: We're having a weird problem with some of our PHP forms, where, when a client uses IE6 with the latest hotfixes, they are reporting that have to re-submit a couple of times for it to take ... as if somehow the data isn't being passed down properly to the FORM/ACTION ... We're using sessions to pass the data around, and it seems to work with every other browser we've used, including IE6 previous to the latest hotfixes ... but, could it be something that *we* aren't doing right, or is there a known bug with sessions + IE6? Some sort of work around? Yes, there are known issues of this sort with the 6-Feb-2004 security update, and there is a fix posted on the MS Web site -- see http://support.microsoft.com/default.aspx?scid=kb;en-us;831167Product=ie600 for more info. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Security Question
On 20 February 2004 22:29, Ed Lazor wrote: PHP include statements default to the current directory. If the path to my PHP files is /home/osmosis/public_html, why would users visiting my site occasionally get an error that the include file wasn't found in /home/budguy/public_html? It's like PHP is somehow confused and running my script with the account settings (and permissions, possibly) for another user on my host provider's server. If that's true, wouldn't this quality as a security issue? They use open_basedir for security. Isn't that part of PHP? They're running the latest version of PHP (4.3.4). This looks like http://bugs.php.net/bug.php?id=25753 to me, which has only recently been marked as fixed and I don't believe has made it into an official release yet. Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] where is my uploaded file ?
On 24 February 2004 06:58, adwinwijaya wrote: input name=image type=file $uploadfile = $uploaddir . $_FILES['userfile']['name']; Array ( [image] = Array Hint: image!=userfile Cheers! Mike - Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: [EMAIL PROTECTED] Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
