[PHP] htmlentities() does not remove escape
Hello: I have a form that has a textarea and I do not want to disallow the use of single quote as apostrophe, or for any other normal stylization. So I am using html entities to change these characters into html entities. But the function does not remove the escapes added by the browser when sending the input. Is there a special function in php for removing the \ escapes as well? My plan b would be to look for a similar function in javascript and convert to html entities before the input is sent to the server. I want to screen for damaging code but do not want to prevent legitimate use of punctuation. If the input in the text field is then displayed as html (which it will be) I do not want things like 'It\'s a nice day' showing up in the html. Thanks in advance; Jeff k -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] htmlentities() does not remove escape
On Jan 27, 2008, at 10:37 AM, Nathan Nobbe wrote: On Jan 27, 2008 1:27 PM, jekillen [EMAIL PROTECTED] wrote: I have a form that has a textarea and I do not want to disallow the use of single quote as apostrophe, or for any other normal stylization. So I am using html entities to change these characters into html entities. But the function does not remove the escapes added by the browser when sending the input. Is there a special function in php for removing the \ escapes as well? stripslashes() -nathan Thanks, of course. Sometimes the brain just does not kick over the way it should. Jeff K -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] general time question
Hello again; I am developing an application that uses php with Apache. A user requests a script file from a web site and the server takes such things as $_SERVER['REMOTE_ADDRESS'] and uses php's time() function to record the time in utc code (which would be the server's system time) and other bits of info and saves it in a php script file on the server. The script is a login script. When the user successfully logs in. Javascript is used to send the client time and time zone offset. These are written to this file also. To track the user for statistical and authorization reasons this file is used to authenticate each user request and track usage. What I do not understand perfectly at the moment, and I have to learn somewhere sometime, is the figures that are recorded. I know, I could use php's built in session handling but I have special reasons for doing it this way. These are the values I am recording: (a sample php script file) $sid = '96f120f9dcf293e64e6dcbd16024491e'; // this is a session id $da = '1200867964'; // this is the value generated by the time() function $hid = '2c9a46c1a5d89469481951065cc6a621';// another session id $ctzo = '480'; // This is time zone offset according to what javascript sends $ctzn = '1200868142247'; // This is the client time according to javascript, which is supposed // to be in milliseconds The specific questions are what does the offset '480' mean? (add or subtract from utc/GMT to get local time?) I am in Pacific Standard Time testing this script. The server is also at the same location. The javascript time value should be the original request time plus the time it takes for a successful login to be processed: The user types in the info and clicks the form button the client pre submission script is run then the server receives and processes $_POST values and decides if the user has sent a valid id. Javascript time value is specified as milliseconds. millisecond is 1/1000 of a second, right? and dividing the value by 1000 would give seconds elapsed from Jan 1 1970(?) thank you in advance; Jeff k -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] client time zone?
On Jan 6, 2008, at 8:04 AM, Ólafur Waage wrote: To get the clients time offset you'll need to use javascript and date.getTimezoneOffset() But this idea has a problem. It is that you can never trust that the clients time is actually correct. You can get the closest to it by using the server time and offsetting that with the javascript offset value. But you'll never know if the client has the wrong timezone and you'll have to deal with timezones that don't have daylight savings like for instance Iceland :) - Ólafur Waage 2008/1/6, Per Jessen [EMAIL PROTECTED]: Thanks for the info. I can live with this, I think. The javascript can give me a good enough value for what is important. I am tracking registered user use and can compare relative values to see if there is a radical change, indicating that someone may have managed to spoof a restricted connection. That, in addition to the source of the requests can give me an indication of problems. As far as the display is concerned, I can have a help item that informs the user that if the time displayed is not right for their location, they may have their time zone set wrong, or in the case you suggested, they may be in a time zone that does not use daylight savings time, or some other difference. Jeff K jekillen wrote: Hello; I am running a server that is using UTC and I want to be able to convert to clients local time in some display presentations. Is this indicated by $_SERVER[REQUEST_TIME]? Is there such a value at all? If not, is there a way to get the requesting host's time zone so I can offset the servers clock value correctly? I think you'll need to use javascript. /Per Jessen, Zürich -- 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 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] which window?
Hello; I have a login panel that is opened as a javascript window. In the processing script, a successful login uses the header function to send the user to the restricted content index page. But this page is loading into the javascript window instead of the opener window of the browser. Is it possible to supply a target property to the header() function to display content in a specific window? Or is that strictly an html/javascript issue? I have looked into the header() function but it is unclear to me what all can be done with headers. Thanks in advance for suggestions, info; Jeff K -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] client time zone?
Hello; I am running a server that is using UTC and I want to be able to convert to clients local time in some display presentations. Is this indicated by $_SERVER[REQUEST_TIME]? If not, is there a way to get the requesting host's time zone so I can offset the servers clock value correctly? Thank you for info: Jeff K -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] which window?
On Jan 5, 2008, at 3:09 PM, Casey wrote: Try adding target=_top or target=_parent to the form element in HTML. On 1/5/08, Bastien Koert [EMAIL PROTECTED] wrote: this would be an html / js issue... why have a popup login in this case? just show the logon in the main window and then do the redirect... bastien Thank you, the idea of a target property in the form opening tag is new to me, but it is worth a try. However, I redid the script to process itself instead of doing a header redirect. Then once the login form reloads, there is a link that has javascript do the redirect as document.referrer.window.location = (target file); (for anyone who could use a little useful info on javascript). That is one of the things I love about php. The login script can write javascript that is not present in the pre form submission version. So someone trying by trial and error to log in cannot look at the javascript and figure anything out from it. Someone who can log in could see it in the added script, but there's no point because it is visible in the location field of the browser, then. I have other tricks to screen access. But no one is going to get the keys to Fort Knox on this site either. It is effectively the same type of security that a forum would use, and the same type of content value. Thank you for the suggestion; Jeff K To: php-general@lists.php.net From: [EMAIL PROTECTED] Date: Sat, 5 Jan 2008 10:17:55 -0800 Subject: [PHP] which window? Hello; I have a login panel that is opened as a javascript window. In the processing script, a successful login uses the header function to send the user to the restricted content index page. But this page is loading into the javascript window instead of the opener window of the browser. Is it possible to supply a target property to the header() function to display content in a specific window? Or is that strictly an html/javascript issue? I have looked into the header() function but it is unclear to me what all can be done with headers. Thanks in advance for suggestions, info; Jeff K -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php _ Use fowl language with Chicktionary. Click here to start playing! http://puzzles.sympatico.msn.ca/chicktionary/index.html?icid=htmlsig -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php -- -Casey -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] foreach questions
Hello;
I have this section of code:
@include('tmp_index.php');
foreach($index as $key - $value)
{
if($input == $key)
{
$target_file = $value;
}
}
And I am getting this error:
Fatal error: Cannot access empty property in path/confirmation.php on
line 131
Several questions:
How long can an index be in an associative array? (the indexes I use in
this array are 32 character hashes)
Can it start with a number (since a hash can start with a number)
Can I use $index as an array name? (I do not remember off hand what the
reserved key words are)
I am not sure what the empty property is that it is referring to.
Thank you in advance for info;
Jeff K
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[PHP] Re: foreach questions
On Jan 1, 2008, at 11:59 AM, Martin Jerga wrote:
Hello,
the problem is in this part of code $key - $value
This notation means that you are trying to access property $value on
the object $key.
Just replace it with $key = $value and you will get the result as
expected.
Martin J
Thank you for the response;
I should have known. I don't use this type of loop often enough
to get it straight the first time.
Jeff K
jekillen wrote / napísal(a):
Hello;
I have this section of code:
@include('tmp_index.php');
foreach($index as $key - $value)
{
if($input == $key)
{
$target_file = $value;
}
}
And I am getting this error:
Fatal error: Cannot access empty property in path/confirmation.php
on line 131
Several questions:
How long can an index be in an associative array? (the indexes I use
in this array are 32 character hashes)
Can it start with a number (since a hash can start with a number)
Can I use $index as an array name? (I do not remember off hand what
the reserved key words are)
I am not sure what the empty property is that it is referring to.
Thank you in advance for info;
Jeff K
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[PHP] variable substitution
Hello again;
I have two variables declared in the global scope of a script.
$string_a = 'stuff $string_b and more stuff';
$string_b = '';
One is a string with a reference for substitution to the other
string which is empty.
In the processing body of the script are if/if else blocks.
In these blocks I want to use $string_a and
set $string_b to a value
if( condition)
{ $string_b = 'by the way;';... etc
so $string_a should read:
stuff and by the way; and more stuff
But this substitution will not take place
in the context of the else if block. I do not
want to write $string_a in at least 5 different
if else blocks because it is about 10 lines
intended to be an e-mail message body - !SPAM.
this script is used to process data sent from a
link in another e-mail message used to validate
and e-mail address.
Q: Is there a way to get the substitution to take
place here? (by reference, maybe?)
Thank you in advance for info
Jeff K
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Re: [PHP] Re: foreach questions
On Jan 1, 2008, at 3:34 PM, Richard Lynch wrote: Hit send too soon. Sorry! On Tue, January 1, 2008 2:05 pm, jekillen wrote: Several questions: How long can an index be in an associative array? (the indexes I use in this array are 32 character hashes) As far as I know, it can be as big as your RAM will hold... Can it start with a number (since a hash can start with a number) Yes. A variable name cannot start with a number. Can I use $index as an array name? (I do not remember off hand what the reserved key words are) You can use '$index' if you want, sure. Thanks for the info; Jeff K -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] variable substitution
On Jan 1, 2008, at 3:31 PM, Richard Lynch wrote:
On Tue, January 1, 2008 4:17 pm, jekillen wrote:
Hello again;
I have two variables declared in the global scope of a script.
$string_a = 'stuff $string_b and more stuff';
$string_b = '';
One is a string with a reference for substitution to the other
string which is empty.
In the processing body of the script are if/if else blocks.
In these blocks I want to use $string_a and
set $string_b to a value
if( condition)
{ $string_b = 'by the way;';... etc
so $string_a should read:
stuff and by the way; and more stuff
But this substitution will not take place
in the context of the else if block. I do not
want to write $string_a in at least 5 different
if else blocks because it is about 10 lines
intended to be an e-mail message body - !SPAM.
this script is used to process data sent from a
link in another e-mail message used to validate
and e-mail address.
Q: Is there a way to get the substitution to take
place here? (by reference, maybe?)
http://php.net/str_replace
O.K. that looks good, I can put in a target string to replace
instead of the variable.
Thanks for the suggestion;
jeff K
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Re: [PHP] variable substitution
On Jan 1, 2008, at 3:48 PM, James Ausmus wrote:
On Jan 1, 2008 2:17 PM, jekillen [EMAIL PROTECTED] wrote:
Hello again;
I have two variables declared in the global scope of a script.
$string_a = 'stuff $string_b and more stuff';
$string_b = '';
One is a string with a reference for substitution to the other
string which is empty.
In the processing body of the script are if/if else blocks.
In these blocks I want to use $string_a and
set $string_b to a value
if( condition)
{ $string_b = 'by the way;';... etc
so $string_a should read:
stuff and by the way; and more stuff
But this substitution will not take place
in the context of the else if block. I do not
want to write $string_a in at least 5 different
if else blocks because it is about 10 lines
intended to be an e-mail message body - !SPAM.
Several ways to do this (and avoid globals or a str_replace call):
#1:
if (condition)
{
$string_b = 'blah';
} else if (condition2)
{
$string_b = 'foo';
} else if (condition3)
{
$string_b = 'bar';
} else
{
$string_b = 'other';
}
$string_a = stuff $string_b and more stuff;
The reason for this is the variable substition occurs *at the time of
assignment* - not later.
Another way, if it's not easy to have your string_b setting
conditionals all in a row like that (or if this needs to be done
elsewhere in code, as well), would be:
function assignStrA($subStr)
{
$retVal = stuff $subStr and more stuff;
return $retVal;
}
if (cond1)
{
$string_a = assignStrA('foo');
} else if (cond2)
{
$string_a = assignStrA('bar');
} else
{
$string_a = assignStrA('other');
}
This looks good
Thanks for the suggestion;
Jeff K
this script is used to process data sent from a
link in another e-mail message used to validate
and e-mail address.
Q: Is there a way to get the substitution to take
place here? (by reference, maybe?)
Thank you in advance for info
Jeff K
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To unsubscribe, visit: http://www.php.net/unsub.php
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Re: [PHP] php.ini in php5.2.1
On Dec 28, 2007, at 10:40 PM, Jochem Maas wrote: jekillen schreef: Hello; I have not had the necessity to deal with php.ini files for some time. Now, because I switch from Sendmail to Postfix on one system I need to adjust the sendmail path variable. are you sure you need to change it? doesn't postfix come with some kind of compatibility wrapper [script] that takes the place of sendmail itself ... IIRC most MTAs are sendmail compatible in that way. I cannot find a php.ini file in the specified location. That is not a problem because I can use ini_set(). What is puzzling is that my system, I built and installed from source on a number of different systems and seem to remember that the process creates a php.ini file. Maybe I have it wrong but in the past I seem to remember being able to find one to make sure register variables was set to off. (or maybe I ignored it because that is the default now). So, is the fact that this file is missing something I should be concerned about? php uses it's defaults if it can't load an .ini file - the only concern is whether this bothers you. note that you can also set .ini settings via webserver configurations files (e.g. in apache's httpd.conf or .htaccess files) No, it does not bother me accept if I should have had a file created by the install. I can create on with all the values I want to change, right? I have been looking at my copy of the manual. Postfix sendmail path is different than default sendmail path in php (at least on my system) and does not use options to invoke it. This is to send a confirmation message to an address entered into a registration from. Thanks for your reply. Jeff K -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] php.ini in php5.2.1
Hello; I have not had the necessity to deal with php.ini files for some time. Now, because I switch from Sendmail to Postfix on one system I need to adjust the sendmail path variable. I cannot find a php.ini file in the specified location. That is not a problem because I can use ini_set(). What is puzzling is that my system, I built and installed from source on a number of different systems and seem to remember that the process creates a php.ini file. Maybe I have it wrong but in the past I seem to remember being able to find one to make sure register variables was set to off. (or maybe I ignored it because that is the default now). So, is the fact that this file is missing something I should be concerned about? PS; I have subscribed to the php-install list and get not responses to my posts, or e-mails my ISP says contain viruses, possibly from a user who requested I contact him (of her) off list. Thanks Jeff K -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] for loop inside a switch
On Aug 31, 2007, at 6:26 PM, Robert Cummings wrote:
On Fri, 2007-08-31 at 15:56 -0700, Dan wrote:
Sanjeev is right. You're thinking about the problem backwards.
You're
trying to build a Switch inside a loop. Remember, if you ever have
to do
some operating multiple times you're using a forloop, then the thing
that
you want to repeat(switch case) is INSIDE the for loop.
Not always true. Sometimes once you've made the switch it applies to
all
members of a data array. In which case switching on every iteration is
a
waste of processor since you can check a single time outside the loop.
Cheers,
Rob.
--
You can run a switch inside a for loop and when a case is matched set a
variable to true.
the break statement will break out of the switch, then inside the
iteration code, after
the switch block, test the variable for true. If it is true the use
another break instruction.
That should break out of the loop altogether at the end on that
particular iteration.
like so:
for($i = 0; $i somevalue; $i++)
{
$bar = false;
switch($anotherValue[$i]) // /this assumes you are looping
through an indexed array
{ case 'foo':
$bar = true
//other code;
break;
default;
// $bar is not set to true so the loop continues
}
if($bar == true)
{
break;
}
/* instead of the default line in the switch statement
else
{
continue;
}
*/
}
Hope this is useful.
Jeff K
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[PHP] upload temp dir in vhost env.
Hello again; I have a question about upload temp dir as defined in php.ini; I have been working on a project that has registered users, each having a user space portion of the web site file system. I want them to be able to upload images and such and have the stuff transfered to their own user spaces. With one up load temp dir designated, how do I insure that the uploaded files get to the correct destination? Or, is it possible to designate more than one up load temp dir in php.ini. (that would be the best solution) This situation is not a virtual host environment, but one site that will be using ssl. I am using Apache on unix based host and am aware that php assigns a temp name to files that are uploaded, but if different users are uploading files concurrently, there could be a confusion as to where each file should be transfered to. I do not know where else to look for an answer to this question at present. Any knowledgeable response appreciated. Thanks in advance: Jeff K. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] upload temp dir in vhost env.
On Aug 26, 2007, at 9:15 AM, brian wrote: jekillen wrote: Hello again; I have a question about upload temp dir as defined in php.ini; I have been working on a project that has registered users, each having a user space portion of the web site file system. I want them to be able to upload images and such and have the stuff transfered to their own user spaces. With one up load temp dir designated, how do I insure that the uploaded files get to the correct destination? Or, is it possible to designate more than one up load temp dir in php.ini. (that would be the best solution) This situation is not a virtual host environment, but one site that will be using ssl. No, the best solution is for your application to grab the path to that particular user's directory and assign a unique name to the uploaded file, then move it from the temp dir: move_uploaded_file($_FILES['upload_file']['tmp_name'], $upload_path); where 'upload_file' is the name of your upload form field. http://www.php.net/manual/en/function.move-uploaded-file.php I am using Apache on unix based host and am aware that php assigns a temp name to files that are uploaded, but if different users are uploading files concurrently, there could be a confusion as to where each file should be transfered to. That's unlikely to occur. In fact, i'd be surprised if it were possible that PHP would assign a temp name that already existed. brian Thanks thats all I need to know. Jeff K -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] upload temp dir in vhost env.
On Aug 26, 2007, at 2:56 PM, Richard Lynch wrote: On Sun, August 26, 2007 10:34 am, jekillen wrote: I have been working on a project that has registered users, each having a user space portion of the web site file system. I want them to be able to upload images and such and have the stuff transfered to their own user spaces. With one up load temp dir designated, how do I insure that the uploaded files get to the correct destination? http://php.net/move_uploaded_file And, BEFORE you move it, you should Validate the uploaded file as many ways as practical for your web application. Yes, I agree, I want to completely decontaminate all uploaded files but I am not sure of a system that will do that. like embedding scripts in image files, binary files, encrypted images (I forgot the term for that, stegonography or something), shell escape chars, incompatible files, viruses, erroneous mime or file types, you name it, I want to check it out before it is a problem. JK I am using Apache on unix based host and am aware that php assigns a temp name to files that are uploaded, but if different users are uploading files concurrently, there could be a confusion as to where each file should be transfered to. The user uploading the file is probably logged in, and you probably have some kind of user_id or Profile and can decide where to move the file based on that user's identity. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Re: PHP Books - A poll of sorts
On Aug 15, 2007, at 4:28 AM, David Powers wrote: Jay Blanchard wrote: If there was a best practices book would you buy it? I write books on PHP aimed at the beginner/intermediate level, and have a considerable collection of PHP books written by others. Two relatively recent books that struck me as being important are Pro PHP Security by Chris Snyder and Michael Southwell, and Essential PHP Security by Chris Shiflett. (I know there's also php|architect's Guide to PHP Security by Ilia Ashanetsky and Rasmus Lerdorf, but I haven't read it.) The thing that struck me most about the books was that anyone thought there should be a need for them. Of course, there is a need - that's why they were written. However, surely security should be taught from the very beginning? Every book on PHP (or any other language) should be a best practices book. The problem is that books are written by human beings, who are prone to mistakes (myself included), and whose own view of best practice might leave gaps in security. The other problem is that a lot of people who use PHP just want to copy and paste a script that works. Even if the ready-made script has been designed with security in mind, using it without understanding *how* it works can lead to unforeseen problems. By the way, I would welcome constructive criticism of the scripts in my books. I have tried to incorporate what I perceive to be the best practices at the time of writing, but I'm sure there's room for improvement. If I can add some stuff here; I have done a lot of php/javascript programming from scratch and being self taught, without good texts on the subject in addition to the php manual, I would be at a loss. Copying and pasting code is kind of like being a commercial designer who never does original art but just use stock stuff and crams it into templates. That should be the difference between a pro developer and 'paste up' artist. Inevitably, even copied and pasted code has to be adapted for a particular use, other wise it boarders on theft. Even if you do use open source you do not have to be a charity (albeit, I have not made any money at it to speak of). I would like to think that the money I have spent on books, lining authors' and publishers pockets, the money I have spent on commercial software from Adobe, Quark, etc, etc, and the thousands of dollars I have spent on computer hardware over the years has not been in vain (even though I have no ' meal ticket' with student loans that may take the rest of my life to pay off and won't ever be guaranteed that that investment would pay for itself). Just my two cents. Jeff K -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] permissions for include()
On Aug 8, 2007, at 9:34 PM, Richard Lynch wrote: On Wed, August 8, 2007 7:52 pm, jekillen wrote: I have a question about including php files that are outside of the web server document root. What permission does Apache use to access files outside of the document root? Here is the situation: I want to store sensitive data such as login/pw data for registered users. I also want to make all the web content rwx for user nobody (FreeBSD) only. So no ftp access, no mortal user access, etc. Is it possible to do this in this situation? Would the Parent Apache process use its privileges to include a file of this type? I have texts and other data about storing data out side the document root, but none go into it in this detail? Apache runs as the User setting in httpd.conf If that User can rwx the files, then PHP can rwx the files. If not, not. It's that simple. Thanks, so if I make the directory and file outside of the document root owner noboby with rwx for owner only, that will work? Jeff K -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] permissions for include()
Hello again; I have a question about including php files that are outside of the web server document root. What permission does Apache use to access files outside of the document root? Here is the situation: I want to store sensitive data such as login/pw data for registered users. I also want to make all the web content rwx for user nobody (FreeBSD) only. So no ftp access, no mortal user access, etc. Is it possible to do this in this situation? Would the Parent Apache process use its privileges to include a file of this type? I have texts and other data about storing data out side the document root, but none go into it in this detail? Thanks for any knowledgeable response: Jeff K -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Php code in html buttons
On Jul 10, 2007, at 3:59 PM, k w wrote:
I'm trying to make a button execute some php code when the button is
clicked. I'm not sure if it is the button i'm coding wrong or the php
code.
Here is the code I am using.
?php
echo button action='?php
mysqli_query($connect,$query)?'Click/button;
?
I've got all my variables stored in the php page, and I know they are
all
correct. But when I push the button it does nothing. I'm not quite
sure what
I am doing wrong.
I have also tried
input type=button value=Click OnClick= ?php
mysqli_query($connect,$query); ?
and
form onclick=?php mysqli_query($connect,$query); ?
input type=button value=Click
/form
Obviously i'm a complete newbie. I'd appreciate any help. Thanks.
You will have to use a form and set the action to the page that runs
the code, It can be the same page.
In which case the action in the form open tag will be the name of the
present file.
You have to have code in the top of the page to catch a $_POST or $_GET
variable.
The button will look something like this:
form action='your code processing page.php' method='get or post, you
choose' name='form1' NAME HERE IS IMPORTANT
input type='button' name='you name the button'
onclick='document.forms,form1.submit(form)' THIS IS WHY THE FORM NAME
ASSIGNMENT IS IMPORTANT
!-- The document.forms.form1.submit(form) line is javascript. In most
browsers the word form must be entered as an argument for it to work.
--
input type='hidden' name='you name this hidden field' value='some
value for the processing code to look for so it knows when to do your
processing'
/form
In the top of the page you can do:
$some_variable = '';
if($_POST[hidden field name] or $_GET[hidden field name])
{
// run your code here
// assign the result to $some_variable
// assign extra hidden field values to variables that should persist
across page loads
}
Then in the page in the location you want it:
?php print $some_variable; ?
there is one catch, if you have variable values in the page before you
click the button and you want them to be there when the page reloads,
or another page sends the result, these variable values will also have
to be loaded into hidden fields, sent to the server and re entered in
the
returned data.
You can add hidden fields like so:
input type='hidden' name='unique name for each field' value='?php
print $your_variable; ?''
This will work with single or double quotes around the php code block
Each of these extra form fields will have to be inside the same form
tag set that the button is in.
JK
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Re: [PHP] Editing Files with PHP
On Jul 10, 2007, at 5:33 PM, David Wonderly wrote: I am trying to create a small script to open a file and edit it. However, when I open a file with PHP in it the PHP is stripped out. It open as if I was viewing the page source. How do I fix this? Here is the code I am using. form action=filewrite.php method=post textarea rows=15 cols=70 name=content ?php include($file) ; ? /textarea input type=text name=filename / input type=submit / /form Filewrite looks like this ?php $File = $filename; $Handle = fopen($File, 'r+'); $Data = $content; fwrite($Handle, $Data); fclose($Handle); print Data Written.; ? Like I said, it is very simple but, I can write php if I start with a blank page but, I can open a file and view it. All of the files are at david.wonderly.com Thanks! -Dave Look at the line: $Handle = fopen($File, 'r+'); the 'r+' should be 'w+' if you are trying to create and write to a file. JK -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] php security books
On Jul 4, 2007, at 3:22 AM, Ross wrote: http://amazon.co.uk/s/ref=nb_ss_w_h_/203-1671317-2810350? initialSearch=1url=search-alias%3Dapsfield- keywords=php+securityGo.x=0Go.y=0Go=Go looking at the top 3 on the list here, personally I quite like the O'Reilly books. Can someone recommend one of these or any other that will give me a good solid understanding of PHP security? Thanks, Ross Have you seen Pro Php Security by Snyder and Southwell; Apress ? It appears to be as comprehensive and well written as the subject can get. JK -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] str_replace new line
On Jul 2, 2007, at 6:07 PM, jekillen wrote:
On Jul 2, 2007, at 3:15 PM, Greg Donald wrote:
On 6/30/07, jekillen [EMAIL PROTECTED] wrote:
Hello;
I have the following code:
$prps = str_replace(\n, ' ', $input[3]);
Are you sure $input[3] doesn't have two newlines at the end?
Why not use trim() to be sure?
$request = str_replace(// var purpose = {} ;\n, var purpose =
'$prps';\n, $request);
In the first line $input[3] is a string formatted with new lines at
the
end of each line.
It is to be used to initialize a javascript variable (in the second
line above), in an html file
template.
When the html file is generated from the template, the javascript
written to it fails
with unterminated string literal error message.
When opening a view source window, the 'var purpose...' line does
have
the string
broken up with extra spaces at the beginning of each line. This
indicates that
the new line was not replaced with the space. The space was merely
added after
the new line.
How do you replace a new line with php in a case like this?
Why do you want to replace it, you just said you wanted to remove it
above?
So it will not cause javascript errors when written as a javascript
variable value
The out put goes like this:
var string = 'this is some text(\n)
with a new line in the string.'
It cause a javascript unterminated string literal error because of the
line break
caused by the new line. I need to replace the new lines with spaces so
it is
one long string.
It is that simple, Please.
Do you use Firebug? It's a Firefox extension.
I do not need to debug the javascript, It is the php which
is tedious to change and retest. The php code writes
the javascript to an html file, So I need to change the php
or find another way.
Does anyone have a simple answer to a simple question?
I am trying to replace newlines in a string with spaces. The code
I posted originally is not working. Perhaps I am doing something
wrong in that code,
That is all I am asking.
JK
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[PHP] str_replace new line
Hello;
I have the following code:
$prps = str_replace(\n, ' ', $input[3]);
$request = str_replace(// var purpose = {} ;\n, var purpose =
'$prps';\n, $request);
In the first line $input[3] is a string formatted with new lines at the
end of each line.
It is to be used to initialize a javascript variable (in the second
line above), in an html file
template.
When the html file is generated from the template, the javascript
written to it fails
with unterminated string literal error message.
When opening a view source window, the 'var purpose...' line does have
the string
broken up with extra spaces at the beginning of each line. This
indicates that
the new line was not replaced with the space. The space was merely
added after
the new line.
How do you replace a new line with php in a case like this?
Testing this is very tedious. Each time I have to go through and undo
file modifications that this function performs in addition to the above.
So it is not just a case of making a change and reloading the file
and rerunning it.
Thanks in advance;
JK
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Re: [PHP] Create .php file with php
On Jun 25, 2007, at 5:13 PM, Marius Toma wrote: I can not create .php files from PHP. I can save them as *.php5, *.php3, asp, *.txt , etc... but not as .php. I tried both touch and fopen but none of them worked. I'm running PHP 5.1.6 on Apache 2, safe_mode is off Is this a security measure somewhere? How can I bypass it? Thank you, Marius I had trouble with this also running php 5.1.2 and now 5.2.1. But I got the hang of it to the point that I have mostly abandoned xml and flat files for temporary files and quick and dirty data bases that can just be included for their content. I do not remember what I did that got it going but it is definitely possible, almost spooky. You certainly do not want any user supplied content written to a php file as variable values or anything without being completely sanitized. I also had trouble opening and modifying html files but got the hang of that too. I am running Apache 1.3.x on FreeBSD 6.0, 6.2, Mac OSX, and Yellow Dog Linux. Keep trying...I had to. JK -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Create .php file with php
On Jun 25, 2007, at 9:08 PM, jekillen wrote:
On Jun 25, 2007, at 5:13 PM, Marius Toma wrote:
I can not create .php files from PHP. I can save them as *.php5,
*.php3, asp, *.txt , etc... but not as .php. I tried both touch and
fopen but
none of them worked.
I'm running PHP 5.1.6 on Apache 2, safe_mode is off
Is this a security measure somewhere? How can I bypass it?
Thank you,
Marius
I had trouble with this also running php 5.1.2 and now 5.2.1. But I
got the hang of it to the point
that I have mostly abandoned xml and flat files for temporary files
and quick and dirty data bases
that can just be included for their content. I do not remember what I
did that got it going but it is
definitely possible, almost spooky. You certainly do not want any user
supplied content written to
a php file as variable values or anything without being completely
sanitized.
I also had trouble opening and modifying html files but got the hang
of that too.
I am running Apache 1.3.x on FreeBSD 6.0, 6.2, Mac OSX, and Yellow Dog
Linux.
Keep trying...I had to.
JK
I just do $fp = fopen('so_and_so.php', 'w+'); // the 'w+' is necessary
for creating files that do not exist and writing to them, just 'w'
requires the file to exist already.
fwrite($fp, ?php\n(code)\n?);
fclose($fp);
Also in my code editor, the closing php tag screws up the syntax
coloring but does not indicate a coding error, so
I do $close_tag = '?'.''; and in the fclose($fp,
?php\n(code)\n$close_tag ); and my editor will keep the syntax
coloring. (BBEdit)
JK
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[PHP] if test
Hello again; does the following test pass if the file is successfully included: if( include( some file ) ) or does it pass with: if( ! include( some file ) ) Thanks JK -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Syntax error, where?
Hello again; In my frustration and laziness (tired of probing around to solve syntax errors that are not obvious) I have encountered the following error: Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING in path removed groups_proc.php on line 585 The two lines immediately proceeding the line referenced by the error and line 585 follow: line 583: $pending_to = str_replace(//\$requests_to[] = ' ';, \$requests_to[$list_length] = '$input[4]';\n//\$requests_to[] = ' ';, $pending_to); line 584: $pending_to = str_replace(//\$r_group_to[] = ' ';, \$r_group_to[$list_length] = '$input[3]';\n//\$r_group_to[] = ' ';, $pending_to); line 585: $pending_to = str_replace(//\$r_status_to[] = ' ';, \$r_status_to[$list_length] = 'pend';\n//\$r_status_to[] = ' ';, $pending_to); - error reference line I can't see it. The only problem I would imagine, is that $list_length is an integer and not a string. But if that was what is being complained about, why didn't the error occur at line 583? ( I am trying to add array items to a php file by writing them to it. $list_length is a variable declared in the file to keep track of what index to assign to new array items. It is incremented when an item is added. The reason is that there are 3 arrays and all have to correlated item for item. Yes there probably is a better way but this is what I have to deal with at present. ) Thanks for help in advance Jeff K -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Syntax error, where? solved
Hello again; (Blush); I was looking at the wrong line. Somehow the line numbers changed on me and the error was actually at a suspect line that I had changed. But the file that was giving the error was a file that was not updated. Now it works, I was trying to do $list_length -1 in the middle of an interpolated string like; string.$list_length -1.string. I had to write this message as soon as I saw the error to spare those who would read and not be able to see it either. Thanks again; JK -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Function Declared in Included File Not Being Found
On May 11, 2007, at 1:43 PM, Chris wrote:
Hello,
According to the PHP manual on functions
(http://www.php.net/manual/en/language.functions.php):
In PHP 3, functions must be defined before they are referenced. No
such requirement exists since PHP 4. Except when a function is
conditionally defined...
If that is true then why does the following not work as I expect?
I expect the result to be Function was called! but it actually is
Function test() does not exist!.
File: a.php
?php
if (function_exists('test')) {
echo test();
}
else {
echo Function test() does not exist!;
}
require 'b.php';
?
---
File: b.php
?php
require 'c.php';
?
---
File: c.php
?php
function test() {
return Function was called!;
}
?
Chris
One reason I believe is that including a file in an included file will
not work.
file a includes file b wnich includes file c, code in file c will not
register. (if
I remember the manual correctly)
Jeff K
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Re: [PHP] Ajax?
On May 9, 2007, at 8:04 AM, Emil Edeholt wrote: Hi! What do you guys use to develop ajax applications and do you have any good articles on the subject? I've just about finished an ajaxish site but it wasn't fun. A lot of nesting javascript inside php calls, having to write the logic both in javascript and php and so on. The source looks ugly and was time consuming to debug. Thanks! Anything involving javascript development has several built in debugging facilities 1: Alert dialogs: You may find it a chore to learn how to use them effectively. But the current content of any variable can be displayed with an alert dialog. You have to pay attention to how strings are concatenated; with +, The actual variable name cannot be quoted. 2: Browser error reporting, in Netscape species, javascript console. Take a hint, all source code text should be formated for Unix/Linux ( line feed line endings) If you do scripting on a Classic Mac OS = OS9, the line endings are carriage; and Windows uses both carriage return and line feed. return. You will drive your self crazy cussing the console because it will not refer to lines containing syntax errors, but some disrelated lines. 3. View source window in browser to see exactly what the browser is getting on page load. 4. Forms: I have coded special forms just for the sake of development and debug of javascript apps. All globals are visible through out the script, WITH THE EXCEPTION OF SOME THAT ARE DEFINED IN SOURCED JS FILES; Opening a javascript window is in a function does not seem to register if the function is in a sourced file. 5. Patience, patience, patience, some masochism, Several large available paper back text books. No one will describe all you might need to know about issues like rollovers, DHTML, etc, Imagination and ingenuity, or the will to search and sift through others source code until you find what you are looking for, and then making it work for you. That's it, I have some suggestion that there are systems available for javascript but I have done without long enough to have my methods and approaches. One more thing, php and javascript work very well together. I have even written a function to display php variable values as javascript alert dialogs. It will not function as break points for php like it does with javascript, but at least you do not have to decipher php error smeared all over the screen. And Ajax, even though I have not cracked that particular aspect of javascript as yet, looks very worthwhile. Jeff K -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] uploads
Hello again; can someone point me to a system for cleaning uploaded files; embedded php scripts in image files, viruses etc, shell escape chars, anything that would be hazardous? The idea is when a file is uploaded, as soon as it gets to the server it is inspected, cleaned/rejected before it is used or sent anywhere else on the server. I am using php to upload anything that would be sent in an e-mail attachment. Once the files have been 'sanitized' they would be made available for display. Thanks in advance; Jeff k -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] TrueType font changes size when rotated?
On Apr 24, 2007, at 8:26 PM, Seth Price wrote:
Hi all! I've been programming GD and PHP for a while, but I haven't
done much with font drawing. I'm trying to layout and draw text, but
the text actually changes size and shape depending on the angle it's
drawn at. This is making it extremely difficult to lay the text out
properly.
Am I doing something wrong? Is there a bug in FreeType? How can I
consistently draw text?
For example:
The following code draws 'Hello world' at differing angles. But all
drawings are at right angles to each other. FreeType shouldn't even
need to do any resampling or interpolating, but each text is drawn
with a unique length and look. You can see the output of the
following code here:
http://leopold.sage.wisc.edu/test2.php
?php
header('Content-Type:image/png');
$img = imagecreatetruecolor(300, 300);
$bak = imagecolorexact($img, 255,255,255);
imagefill($img, 0,0, $bak);
$col = imagecolorexact($img, 0,0,0);
for($i = 0; $i 360; $i += 90){
$b = imageftbbox(12, $i, '/Library/WebServer/Verdana.ttf', 'Hello
world');
$len = sqrt(($b[2] - $b[0])*($b[2] - $b[0]) + ($b[3] - $b[1])*(($b
[3] - $b[1])));
imagefttext($img, 12, $i, 150, 150, $col, '/Library/WebServer/
you're using Mac OSX, did you have to install gd or does it now come
with
gd included in the php installation? (after looking further down the
message,
I see you are running Server, so that is probably the difference)
Mine did not (OSX 1.4x). I have it installed on a FreeBSD system.
www.brushandbard.com - web design - dynamic image generation
demonstration
and Word Wise the Tile Puzzle are some of my projects using gd.
Verdana.ttf', 'Hello world '.$len);
}
imagepng($img);
?
When using more interesting fonts, this 'resampling' is causing text
drawn at 90 deg to look fugly. What can I do to prevent this? Is this
a known issue? The output doesn't seem to change if I use the 'ttf'
functions vs. the 'ft' functions.
I went looking for some samples, as I have played with this some in the
past, but did not find anything current to show. I do not remember
having
this problem. There may be a distortion that is being entered into the
mix
when the fonts are rendered by your code. $len is the hypoteneus of a
right triangle, right off hand I would say that is your problem or some
of it.
The length should be a linear measurement and not a diagonal
measurement.
But I am rusty at this point. Also there is a function for explicitly
specifying
the angle of the font in degrees, and, as I remember the angle of the
rendering box also. This is so each font can be rendered at an
individual
angle and the whole enclosing box, so the whole word is rotated.
you will have to look in the manual for gd related functions if you are
not aware of this.
Jeff K
System info:
Mac v10.4 Server running PHP v5.2.1 FreeType v2.3.4
Compiled with:
'./configure' '--with-apxs' '--with-mysqli=/usr/local/mysql/bin/
mysql_config' '--with-gd' '--with-png-dir=/usr/local' '--with-zlib-
dir=/usr' '--with-jpeg-dir=/usr/local' '--disable-short-tags' '--with-
iconv' '--enable-exif' '--enable-mbstring' '--enable-gd-native-ttf'
'--with-freetype-dir=/usr/local'
Thanks,
Seth
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[PHP] Skipping items in a loop
Hello again;
I have a directory that I am opening and reading to produce an
array of contents; files and subdirectories. There are a number
of subdirectories that I do not want to open and read the contents
of, and others that I do want to open and read the contents of.
This code is supposed to produce two arrays. One with directories
and the other with files, including the path. This is so I can create
the directories and copy the files. Certain files are specific to the
source directory structure and I do not want them copied.
The only way I can think of is to loop though the $dir_only array
to see if it matches an item in the $dirs array so I can have the
code by pass it. But that is in the middle of a while loop that is
already in the middle of a loop. I have not been able to get it to
work as I want.
using php 5.1.2
Does anyone have a better suggestion (that will work in the
context of this code, I do not want to do major rewriting if I
can avoid it).
Thanks in advance
Jeff k
The code follows:
$cont = array();
$dir_only = array();
$dir_only[0] = 'jk/collections';
$dir_only[1] = 'jk/extras';
$dir_only[2] = 'jk/group_info';
$dir_only[3] = 'jk/group_routes';
$dir_only[4] = 'jk/groups_in';
$dir_only[5] = 'jk/in';
$dir_only[6] = 'jk/log';
$dir_only[7] = 'jk/out';
$dir_only[8] = 'jk/requests';
$dir_only[9] = 'jk/store';
$dirs = array();
$dirs_a = array();
$files = array();
$cltag = '?'.''; // - for php closing tag.
If I do it literally, it screws up the syntax coloring in my code
editor.
$rd = opendir('jk') or die(Could not open jk
as source dir);
while($x = readdir($rd))
{
if($x == '..' || $x == '.')
{
continue;
}
else
{
array_push($cont, 'jk/'.$x);
}
}
closedir($rd);
unset($rd);
unset($x);
for($i = 0; $i count($cont); $i++)
{
if(is_dir($cont[$i]))
{
array_push($dirs, $cont[$i]);
}
elseif(is_file($cont[$i]))
{
array_push($files, $cont[$i]);
}
}
for($i = 0; $i count($dirs); $i++) //
looks at dirs
{
@$rd = opendir($dirs[$i]) or die(Could
not open $dirs[$i]);
while($x = readdir($rd))
{
if($x == '..' || $x == '.')
{
continue;
}
elseif(is_file($dirs[$i].'/'.$x))
{
array_push($files,
$dirs[$i].'/'.$x);
}
elseif(is_dir($dirs[$i].'/'.$x) $x != )
{
array_push($dirs_a,
$dirs[$i].'/'.$x);
}
}
closedir($rd);
unset($rd);
unset($x);
};
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Re: [PHP] install problems
On Mar 18, 2007, at 10:54 PM, Chris wrote: jekillen wrote: Hello; Well, this one I cannot seem to figure out: I installed Apache 1.3.37 with ./configure --enable-module=so --enable-module=rewrite --enable-shared=max Then tried to install php 5.2.1 --with-apxs=/usr/local/apache/bin etc etc libphp5.so is no where to be found. It sure is not in apache/libexec Did you run 'make' ? Running configure doesn't create this file, 'make' does. A rather obvious question but I couldn't see whether you ran it or not. Yes, I did, an oversight on my part not to mention it. It went all the way through configure, make, and make install I watched all the text fill up the screen and fly by and I did not get and bail outs. How ever I suspect that part of the problem is the way I configured Apache, I know I had trouble with Apache not editing the .conf file by putting all the AddModule and LoadModule lines in. I got that fixed then encountered the php problem. I even went through and removed everything related to php I could find and started again from scratch. No luck. Thanks for the reply Jeff k -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] install problems
On Mar 19, 2007, at 5:58 PM, Chris wrote: jekillen wrote: On Mar 18, 2007, at 10:54 PM, Chris wrote: jekillen wrote: Hello; Well, this one I cannot seem to figure out: I installed Apache 1.3.37 with ./configure --enable-module=so --enable-module=rewrite --enable-shared=max Then tried to install php 5.2.1 --with-apxs=/usr/local/apache/bin etc etc libphp5.so is no where to be found. It sure is not in apache/libexec Did you run 'make' ? Running configure doesn't create this file, 'make' does. A rather obvious question but I couldn't see whether you ran it or not. Yes, I did, an oversight on my part not to mention it. Just wanted to check :) After 'make' you should have a libs/libphp5.a and/or libs/libphp5.so No need to do the 'make install' step if those files don't get created (depending on your configure options you may only get one of them, but there should be something created there). If you're not getting them at all, does 'make' finish properly - ie do you get: Build complete. (It is safe to ignore warnings about tempnam and tmpnam). as the last two lines? Yes I rm'd everything related to php and went and got a copy of php 5.1.2 and tried that with the same list of ./configure options read into ./configure from a file: --with-apxs=/usr/local/sbin/apxs \ --with-openssl \ --with-zlib \ --enable-bcmath \ --with-gd \ --with-jpeg-dir \ --with-freetype-dir \ --with-ttf \ --enable-gd-native-ttf \ --with-mcrypt \ --with-mysql \ --with-mysql-sock \ --without-sqlite \ --with-regex=php and the same thing happened. It should be in /usr/local/libexec with all the other Apache modules, right? find found nada. I have done this twice before on FreeBSD v6.0 with out this trauma. I subscribed to the install list to see what someone might have to say there. Jeff K -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] install problems
Hello; Well, this one I cannot seem to figure out: I installed Apache 1.3.37 with ./configure --enable-module=so --enable-module=rewrite --enable-shared=max Then tried to install php 5.2.1 --with-apxs=/usr/local/apache/bin etc etc libphp5.so is no where to be found. It sure is not in apache/libexec I saved the ./configure options in a file and had configure read from it. All seemed to go ok, no errors, bailouts. I can send that file if anyone thinks it may have the answer. The problem showed up when I tried to start apache and it would not start because it could not find libphp5.so OS: Freebsd 6.2 (I know there is the ports system, I have install all of this successfully on two other machines doing just untar, configure, make, make install. I had reasons for not dealing with ports) Any clues? Thanks in advance Jeff K -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Re: install problems
On Mar 18, 2007, at 7:51 PM, Haydar TUNA wrote: Hello, This is php.install question but I can help you. Two weeks ago, I faced same problem with Apache 2.2.4 and PHP 5.2.1 in Redhat Linux AS 4 Update 3 operating system. I tried to install apache and php together but I faced to same problem. I tried to install PHP 5.1.6 and Apache 2.2.4, my problem could be solved.:) Thanks, I still do have the 5.1.2 tarball. I will try that and see if it makes a dif. I thought of stealing the file that is missing from another installation that is very similar but decided against it because it was based on a different version of php (5.2.1). And this file is in /usr/local/libexec instead of /usr/local/apache/libexec (That actually be part of my problem; I.E. when I installed Apache I did not give ./configure a prefix because the install instructions said the default was /usr/local/apache. And httpd.conf is expecting to find the stuff in /usr/local/libexec.) Thanks again trying again, Jeff K -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Regex error
Hello;
The following regex:
ereg(member value='[a-zA-Z ]{1,25}' uspace='([a-z0-9-\.\/]{2,11})'
id='$m[1]', $groups, $m1);
is causing the following error:
Warning: ereg() [function.ereg]: REG_ERANGE in path info_proc.php on
line 81
Can someone tell me what this means?
What I am trying to do is pick out some info from an xml tag the is
id'd by
$m[1] ( a match from a preceding regex. This regex is only supposed to
be applied if there is an $m[1] match. This happened without the
dot (.) and forward slash escaped in the uspace=' etc ' section. I used
back slashes to see if that made a difference, it does not. I have
gotten
a little hazy on what needs to be escaped in character classes.
I have written a number of
similar regexs in the same collections of scripts and I can not see what
this one is complaining about.
php v5.1.2, Apache 1.3.34, FreeBSD v6.0
Thanks in advance
Jeff K
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[PHP] re regex error
Hello again; Regarding the error I was inquiring about: Warning: ereg() [function.ereg]: REG_ERANGE in path info_proc.php on line 81 I still would like to know what it means but I solved the script problem. I found that since $groups is a string that was exploded to form the $g_list array it may have been struggling to try and crawl back through the whole string in the middle of the for loop. But I don't know, because I don't know what REG_ERANGE means. I should have not been trying to run this regex at this stage of the script and, in fact (I have been doing a lot of complex programming on this project ) I had the same regex further down the list where is should have been and was already. Anyhow, I think this may be valuable for anyone who is trying to learn by watching and reading this list. thanks Jeff K -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Back to security
On Mar 12, 2007, at 3:32 PM, Richard Lynch wrote: On Sat, March 10, 2007 12:41 pm, Alain Roger wrote: I'm continuing to work on securing my administration part of the website. based on previous posts and reading materials, I was thinking to use the following process : Think of HTTPS as like a bank vault in the basement of a branch bank. Anybody can walk in the door, but very very very few people can walk into the vault. Better off to do all of 1, 2, and 3 inside HTTPS. Plus, the whole point of HTTPS is to stop network sniffers from over-hearing passwords and other sensitive data, and if you authenticate outside HTTPS, then you are sending the authentication credentials over the wire for anybody to hear, so what's the point? For what it is worth, I am only aware of one drawback to https with respect to how requests are handled that makes it difficult to use with virtual hosting. I am a little hazy on how it works but when https is used only the ip address of the request is available to the server before the rest of the request is decrypted. So, in this sense it could be advantages to use an http login script ant start the https server once the login was successful. I say this because I have written a login script that uses an md5 library ported to javascript. The login and password are hashed in the client, and just so a sniffer cannot grab the hash and use that, I have a random hash that is hashed against the login/password hash. The random hash, I will call a nonce, is saved on the server and the server uses it against all the known login hashes and compares it to what was sent. That way what the client sends is always different and cannot be reused. I cannot guarantee this but it would be straight forward to guess that even if the hash was cracked: the cracker would have to guess how the nonce was generated and find a hash the would work to get the correct result. The punch line is that he could not reuse it to test it. Hope this is useful. Jeff K -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Is there a way to un include a file
On Mar 7, 2007, at 11:47 PM, Larry Garfield wrote: No there is not, because an included file *executes* at the time it is included and is then done. Any memory-resident objects (function/class definitions, variables, etc.) that it defies then exist until you make them un-exist (with unset() for variables or, well, you can't with functions and classes AFAIK). Include files are libraries. They are not functions. What you're looking for is a function. Don't try to use include files as functions. Therein lies pain. I have function definitions in included files all over the place. I do that so one file will not be too big to keep scrolling back and forth through to develop and debug. These are mainly in conjunction with multi phase self processing forms. Variables I could guess would be overwritten, but if I have a function fu defined in two different files that are include in, say, a loop and I want to call one function fu on one iteration from one included file, then the next iteration I include the next file and call fu that is a different version, which function would be executed on the second iteration? Thanks for the response, I think I will have to do some experimentation with this one. Jeff K -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Joke of the day problem
On Mar 8, 2007, at 5:30 AM, Delta Storm wrote: Hi, again me with the silly questions... I need a script that will take data from MySQL database and display one row each day. I have googled, but with no luck. The database retrieving mechanism is of course clear but I really dont know how to do a 24h delay before the next row is displayed. Thanks in advance :) I would write the query results to a php file as string variables and when someone requests the page have a date conditional to decide which string to display. Or if you want to pull a joke from the database one at a time just use date to determine which one. For this you may have to have a persistent php file to include to keep track. Ideas; maybe one looks good? Best Jeff k -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] php and javascript error
On Mar 7, 2007, at 11:46 PM, Tijnema ! wrote: Just a little side note, you said that firefox wasn't giving an error, i think it does, but that it hides the error. Open your page, and then go to Tools-javascript console. There it will display all javascript errors. And gives a nice detailed error. Tijnema Thanks, Yes I have been around the bend with Netscape and now, Fire Fox javascript consoles. Before I got it that I need to format web content text for Unix, I went crazy trying to interpret Netscape console messages and the line numbers it said the errors were found. I was using Mac and text file are formatted with carriage return, not new line or line feed as in Unix text. The Javascript errors are based on Unix text formatting even if the browser is running on Mac or Windows (well I am not sure about Windows, I have never use it for web development but I do know that it uses both carriage return and line feed for plain text line endings). Jeff K -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] php and javascript error
On Mar 7, 2007, at 10:24 AM, Ed Curtis wrote: Edward Kay wrote: you've got a stay quote mark in one of your PHP vars. Not it, I looked and there's nothing there. I'm sure it's because you've got some stray characters in your output that mess it up. It would help if you actually posted the source rather than just saying it's OK, when it clearly isn't. The problem wasn't a stray apostrophe. Brad Fuller was dead on. It was the space in the window name option of the javascript. It works as expected once the space is removed. PPS: It's advisable not to use the short tags, use ?php instead of ? Can you tell me why? Is it just a personal preference? If you move to another server where the short tags option is off, your code will break. From the manual: Using short tags should be avoided when developing applications or libraries that are meant for redistribution, or deployment on PHP servers which are not under your control My scripts aren't meant for distribution also they will only ever be delpoyed on a server that I control. Thanks for the tip though and thanks to everyone that helped. Ed This isn't a javascript discussion list but, javascript and php compliment each other very well. Internet Explorer has error reporting that can be turned on in the preferences. I would try that before making any other assumptions. Believe me, I started developing javascript before php and with no IDE for javascript you 'have to rely on the browsers error reporting facilities, and lots of alert dialogs used as break points. Safari on Mac is a head ache because it has no error reporting at all and I have encountered problems with it that do not show up in any of the browsers that do have error reporting. Hope that helps, Jeff K -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Is there a way to un include a file
Hello; Is there a way to un include a file once it has been included in a script. My concern is where two php files might be included in another php file they might have code or variables that conflict. I am thinking of including files with different names but follow the same pattern of code and variables but may have different values for variables or different versions of the same function. If there is not a specific function for un including a file (I have not seen any indication from my text books that there is), it seems like it would be nice to have one. Meanwhile I will be doing some experimentation. Thanks in advance; Jeff K -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Another hand wringer
Hello;
I am having trouble with a loop in scripts run under
php v5.1.2.
I have produced a form in a web page that has a variable number
of text fields. These fields represent the result of opening a file
and populating the fields with the corresponding value data found
in the file. The field names are generated in a php loop using an
iterator $i and given a_$i+1 names. If I test for the field names
on post literally, a_1, a_2, a_...n, the values are getting posted
properly.
Then when I run through a loop looking for $_POST[a_$z]
(where $z = $i +1) only one $_POST value with this name
series is processes and the loop quits.
Here is the post processing code at this stage of the script:
$edata = array();
$part = '';
$flen = '';
$file = '';
if($_POST['section'])
{
$part = $_POST['section']; // target file section
$flen = $_POST['flen'];// length of text field group, shows to
be the correct number
$file = $_POST['df']; // file to work on
$z = 1;
switch($part)
{
case 'name':
/*
a_1, a_2 etc are field names
printing these values shows that all the fields are being
posted properly
array_push($edata, $_POST[a_1]);
array_push($edata, $_POST[a_2]);
array_push($edata, $_POST[a_3]);
array_push($edata, $_POST[a_4]);
could be as few as 1 and as many as 13 fields
*/
for($i = 0; $i count($flen); $i++)
{
array_push($edata, $_POST[a_$z]); // this loop
terminates on the first iteration.
print $_POST[a_$z].'br'; // only prints the first in
the series.
$z++;
};
//edit_pa_rec($edata, $file, $flen, $part);
break; - more cases with similar code
I want to avoid hard coding the $_POST variables
so, question, is this:
A: a bug?
B: $_POST data is getting dropped in the loop?
C: Something else is wrong with my code?
Thanks in advance
Jeff K
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[PHP] re another hand wringer
Sorry all;
regarding recent post list troubles with code below
in the loop I was using count($value) instead of just $value
for($i = 0; $i count($flen); $i++) // should be $flen instead of
count($flen)
{
array_push($edata, $_POST[a_$z]); // this loop
terminates on the first iteration.
print $_POST[a_$z].'br'; // only prints the first in
the series.
$z++;
};
for($i = 0; $i $flen; $i++) // now it works
{
array_push($edata, $_POST[a_$z]);
print $_POST[a_$z].'br'; // prints all values.
$z++;
};
Thanks for your time;
Jeff K
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Re: [PHP] un include?
On Feb 11, 2007, at 1:16 PM, Larry Garfield wrote: You're using str_replace() on PHP code to control configuration variables? There's a half dozen better ways that are less error prone and faster and more secure. My recommendation: - If the config is all simple values, use an ini file. You can then use parse_ini_file() to read the data into an array that you can reference, and can write the array back out easily. (Ini is a very simple format.) - If you want it to be programmatically editable, put it in your database and be done with it. A simple key/value table with a getter function and setter function is trivial to setup, but far more robust and flexible than messing around with the file system. Thank you for your suggestions. I am writing a web based app that creates packages for registered users. Each user has a user space created for them on the server. It consists of a directory with files and subdirs and files. Each package is uniform. The only thing that personalizes each user space is the user space directory name and the config file in that user space. This config file does not effect any other users space. So an ini file with globally set variables is completely out of the question. At present I am not using any databases in this context. There are other security measures I have in place for this. One is that the user must login and all transactions with the server are done over ssl. Every page request is authenticated (not by re entering id/pw). And a few other tricks. Thanks again. Jeff K -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] [re]crazy time with str_replace()
Hello; I solved this problem, I think. It is the only thing I could find different between two other wise identical strings in two php files with identical names (in different dirs). One was formatted for Unix (linefeed line ending) and the one, that was not responding, was formatted for Mac (carriage return line endings). I have not tried it yet but I believe that will solve the problem. Perhaps this will help someone with a similar problem they cannot seem to solve. JK Addenda: sorry, this message seems to have been placed in my drafts dir instead of being sent. Here it is. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] un include?
Hello all;
Is there a way to un include a file once it has been included in a
script?
I have a situation where I need to include a php file for a variable and
its value. Then I need to open the file and modify it in the same
function
'that included the file. So far the function, as I test it does not
appear
to be making the intended changes to the file that has been included.
And I am not getting any error messages.
Am I asking too much:
$fileToInclude = 'some_file.php';
function edit_included_file( $fileToInclude)
{
include($fileToInclude);
// use some variable in it
$fr = fopen($fileToInclude, 'r');
$str = fread($fr, filesize($fileToInclude))
fclose($fr);
// make alterations to $str
// reopen file and write the changes
// done but in test function I have written changes have not been made
}
looked through the O'Reilly book Programming Php and could not find
a clue.
Thanks in advance
Jeff K
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[PHP] crazy time with str_replace()
Hello; I really am trying to use this as a last resort but sometimes the solution refuses to present itself just by swearing and staring and poking around with comments and print statements. line 197: $rdata = str_replace(// \$routes[] = '';\n, \$routes['$usr'] = '../$path/in';\n// \$routes[] = '';\n, $rdata); // this is not working line 223: $rrdata = str_replace(// \$routes[] = '';\n, \$routes['$user_long'] = '../$r/in';\n// \$routes[] = '';\n, $rrdata); // this is working These two lines are in a function I wrote. I add the line numbers to indicate that they are separated by some code. But they perform identical tasks on two different files with the identical names in two separate directories. As far as I can tell the target strings are identical in both of the files; initially, one file is a copy of the other, but change as array items are added. Or are supposed to. The string // $routes[] = '';\n is used as a template for adding new array items. (in the str_replace code, the $ is escaped with \ so it will be interpreted literally) The problem is the str_replace operation works on the $rrdata variable and not the $rdata variable. When testing the $rdata variable with a print statement, there is no change to the target string; I.E. // \$routes[] = '';\n is not replaced with \$routes['$usr'] = '../$path/in';\n// \$routes[] = '';\n. The file is a php file that i am trying to write to. There is no read errors on fopen nor fread on the file in the first line. The file that the first str_replace() is supposed to modify is in the same directory as the script that has this function. The function is included in another script file in the same directory. The second file that str_replace is working on is from a file opened in another directory. I have checked read and write permissions on both files and directories and found nothing i could point at as the cause of the failure and in fact I would expect the fopen function to fail if there was a permissions problem. It is obviously opening and reading the file successfully, as using print before the str_replace operation show that the file has been properly read into the $rdata variable. In case it is not clear, the two marks after the = sign in each line indicate an empty string surrounded by single quotes, that makes it appear to be one double quotation mark when it is not. Can anyone see what I am not seeing, or tell me something that I should be aware of that I may not be. thanks for your time; JK -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] ereg() problem
On Jan 31, 2007, at 8:13 AM, Jim Lucas wrote: jekillen wrote: Hello php list; I am having trouble with ereg(). The following is the problem code $x = ereg(route name='$to' x='../(.*)/in' rec='.*' /, $get_route, $m); do we need to break out of the text to include the $to variable?? The $to variable is what I use to id the tag to get the path from, it is critical. It is like answering the question 'What is Joe's address?' Joe in this example is the $to variable. testing $route I get: do you mean $get_route? No, I mean $route after I have assigned $m[1] to it; $route = $m[1]; print $route.'br'; jk/in' rec='a_378e6dc4.xml' / (out put of print) Is this an example of th input? This is what the regular expression (.*) is matching in the tag. It will have a steadily increasing number of tags in the above pattern and nothing else (accept for opening and closing xml tags. What does an actual line of $get_route look like? $get_route is what was read from the XML file. It will have a steadily increasing number of tags in the above pattern and nothing else (accept for opening and closing xml tags. do a var_dump($m); and show output The problem is that the regex is missing the closing single quote and matching to the end of the tag instead of just matching what is between the parenthesis. jk is all I am looking for but is it greed that is missing the forward slash and the single quote? It seems like every time I do this I have to monkey around with it until I get what I want. I have even changed the formatting of files just so a regular expression would work without this sort of trial and error. Is there a way I can turn off greed in php's regex? I am using php v5.1.2 with Apache 1.3.34 Thanks in advance. JK or better yet, try this I am assuming on the actual structure of $get_route but the following return to me $match[1] = '../jk' $to = 'something'; $get_route = route name='something' x='../jk/in' rec='998asdf' /; preg_match(|route name='.$to.' x='(\.\./.*)/in' rec='.*' /|, $get_route, $matches); var_dump($matches); O.K. thanks, $m[0] is supposed to have the whole match and $m[1...n] is supposed to contain the matches made by each set of parenthesis. Does anyone know or understand the concept of greed in regular expressions, and how to turn it off in php? That is all I am asking for. JK -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] ereg() problem: solution
Hi
In reference to my query about 'greed' in regex in php and the following
code
$x = ereg(route name='$to' x='\.\./(.*)/in' rec='.*' /,
$get_route, $m);
I solved the immediate problem with the following:
route name='$to' x='\.\./([a-z]{2}|a?u_[0-9a-z]{8})/in' rec='.*' /
as you can see, the regex is quite a bit more complicated and I
do not know if it will match all the possibilities that it will have to.
It looks like it should. one possibility that it is matching is just two
letters, in this case jk. The other possibility is u_ or au_ followed
by 8 randomly selected letters and/or numbers.
In short I was trying to be as simple and comprehensive as
possible with (.*) as the regular expression. But the idea of greed
came to mind when the match was containing far more than antic-
ipated. Greed is when the regular expression tries to match as much
as possible, in this case (.*) appears to be matching every instance of
anything and everything else in the way, so it ends up including the
entire balance of the line. A least that is my explanation. So I did
something more complicated to get what I wanted. Simplicity is not
always so simple.
Thanks for all responses.
JK
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Re: [PHP] ereg() problem
On Jan 31, 2007, at 4:38 PM, Richard Lynch wrote: On Tue, January 30, 2007 8:36 pm, jekillen wrote: I am having trouble with ereg(). The following is the problem code $x = ereg(route name='$to' x='../(.*)/in' rec='.*' /, $get_route, $m); testing $route I get: $route = $m[1]; print $route.'br'; jk/in' rec='a_378e6dc4.xml' / (out put of print) jk is all I am looking for but is it greed that is missing the forward slash and the single quote? No, it's that you put the parens () around only the .* and not around what you wanted: ereg(route name='$to' x='\\.\\.(.*/in') rec='.*' /, ... It seems like every time I do this I have to monkey around with it until I get what I want. Join the club. :-) You may want to consider a couple actions: Switch to PCRE http://php.net/pcre It's better documented, less confusing, faster, and just better all around. Download and play around with The Regex Coach which provides a visual feedback on what happens when you change the #$^% inside your pattern. I have even changed the formatting of files just so a regular expression would work without this sort of trial and error. Is there a way I can turn off greed in php's regex? I haven't used ereg in so long, I can't answer this for ereg. In PCRE, you use tack on 'U' after your end patter delimiter. Thanks, I believe I do have pcre in my installation, and that was my next target for investigation. As I turns out I got a regex that works, albeit more complicated than (.*). See this post subject + solution. by me. thanks for the response. JK -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] ereg() problem
Hello php list; I am having trouble with ereg(). The following is the problem code $x = ereg(route name='$to' x='../(.*)/in' rec='.*' /, $get_route, $m); testing $route I get: $route = $m[1]; print $route.'br'; jk/in' rec='a_378e6dc4.xml' / (out put of print) jk is all I am looking for but is it greed that is missing the forward slash and the single quote? It seems like every time I do this I have to monkey around with it until I get what I want. I have even changed the formatting of files just so a regular expression would work without this sort of trial and error. Is there a way I can turn off greed in php's regex? I am using php v5.1.2 with Apache 1.3.34 Thanks in advance. JK -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] regarding ereg() problem
Hi again; (Blush) I just did noticed that I did not mask out the two dots: $x = ereg(route name='$to' x='\.\./(.*)/in' rec='.*' /, $get_route, $m); I am trying again.. I still get the same result jk/in' rec='a_378e6dc4.xml' / JK -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] having trouble with is_file() and is_dir() on 5.1.2
On Jan 22, 2007, at 11:18 PM, clive wrote: everything without an extension is a directory You will notice that the only directory detected by this code is templates. There are no files detected by this code. Does this have something to do with stat cache? I want to make one array with directories and one array with files. I can't see any syntax or logic problems. Thanks in advance; JK As far as I know is_dir and is_file require a full path , as chris mentioned, how are you populating $cont; clive Thanks all for the replies, I think I got the message. Some times getting better at things can be a pain. I code and code and code and get use to writing code like the above and have it just work. Then I use a function I've never used before, is_file() and is_dir() and surprise... I have gotten past dumb syntax errors and screwy logic, it must be the os or something(?!). JK -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] re: having trouble with is_file() and is_dir() on 5.1.2; solved
Thanks all. ** As far as I know is_dir and is_file require a full path , ... This did the trick. I kind of assumed that the path info would be understood by is_file() and is_dir(). But explicitly adding the path info solved the problem. Now I have a beautiful array with 38 items just as I need them. JK -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] having trouble with is_file() and is_dir() on 5.1.2
Hello php developers:
I am having a problem with the following code:
OS: FreeBSD v6.0
Apache 1.3.34
php 5.1.2
- $cont is an array produced from opening and reading a
directory:
for($i = 0; $i count($cont); $i++)
{
print $cont[$i].'br';
if(is_file($cont[$i]))
{
print is file: .$cont[$i].'br';
//array_push($files, $cont[$i]);
}
else if(is_dir($cont[$i]))
{
print is dir: .$cont[$i].br;
//array_push($dirs, $cont[$i]);
}
}
The print statements produce the following:
collections
groups
in
index.php
lists.php
new_multi.php
new_single.php
out
pref_code
pref_funct.php
process.php
requests
rlists
routing.php
send.php
steps.php
store
templates
is dir: templates - only directory recognized (extra line breaks
added here for readability)
usr_config.php
usr_pref.php
everything without an extension is a directory
You will notice that the only directory detected
by this code is templates. There are no files
detected by this code. Does this have something
to do with stat cache? I want to make one array
with directories and one array with files. I can't
see any syntax or logic problems.
Thanks in advance;
JK
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Re: [PHP] having trouble with is_file() and is_dir() on 5.1.2
On Jan 22, 2007, at 10:20 PM, Chris wrote:
jekillen wrote:
Hello php developers:
I am having a problem with the following code:
OS: FreeBSD v6.0
Apache 1.3.34
php 5.1.2
- $cont is an array produced from opening and reading a
directory:
for($i = 0; $i count($cont); $i++)
{
print $cont[$i].'br';
if(is_file($cont[$i]))
{
print is file: .$cont[$i].'br';
//array_push($files, $cont[$i]);
}
else if(is_dir($cont[$i]))
{
print is dir: .$cont[$i].br;
//array_push($dirs, $cont[$i]);
}
}
I'd be guessing it's a path issue.
Try prefixing the is_dir and is_file calls with the path to the
directory they are in:
$basedir = '/whatever';
for($i = 0; $i count($cont); $i++) {
$fullpath = $basedir . '/' . $cont[$i];
if (is_file($fullpath)) {
.
}
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Postgresql php tutorials
http://www.designmagick.com/
Ok, I hope I can get this to work. The code
I copied here was code that was in the directory
reading loop, where I would have guess that
it would have the path info, but it did the same
thing. But I will take you suggestion.
Thanks for the reply;
JK
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[PHP] Scope of include
Hello php list: If I include a php script inside a php function definition and then call the function in another script. What is the scope of variables in the included script? Are they local to the function that calls include with the file name? Thanks in advance; I'm not sure where to look for this answer; JK -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] reading/editing php file with php script
Hello; I have been writing a php script which is supposed to open and edit a php file on the same server, in the same directory. But I have not been able to get regex as in function ereg() to work to match a line of code to alter. I also have not been able to get strpos() to work in this code. I am not complaining, i am just curious if this is a security feature of php, that it can't be used to open and edit existing script files on a web server. Or am I doing something wrong? I have successfully used php to write a php script file from scratch and then include it. It works good for keeping track of things on the server. Thanks JK -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Odd behavior
On Dec 25, 2006, at 7:21 AM, Roman Neuhauser wrote:
# [EMAIL PROTECTED] / 2006-12-24 18:11:03 -0800:
function display($list, $in, $out, $save, $req, $x)
{
for($i = 0; $i count($in); $i++)
{$j = $i + 1;
// two sets of links displayed instead of one
for($i = 0; $i count($out); $i++)
{$j = $i + 1;
// two sets of links displayed instead of one
for($i = 0; $i count($save); $i++)
{$j = $i + 1;
// two sets of links displayed instead of one
for($i = 0; $i count($req); $i++)
{$j = $i + 1;
// two sets of links displayed instead of one
The print lines above are supposed to produce a list of links to
files.
In the web display I get duplicate sets of links which seems to mean
that the loops in the function are running twice, and in one instance
three times instead of once.
Look at the variable names you use for iteration.
Thanks, Usually, when a variable name like $i is used and then
reset to 0 in the next loop it does not matter. But I solved the
problem and posted the solution. I also solved the regex
problem. There was an extra \n sneaking into the test pattern
so I could not get a match. I am not sure where the extra \n is
coming from.
It looks like I didn't post the solution after all:
Update:
I solved the double loops problem with this code change:
function display($list, $a, $x)
{
for($i = 0; $i count($a); $i++)
{$j = $i + 1;
print a
href=\steps.php?list=$listnext=$jx=$x\$j/abrbr\n;
};
}
and:
if($list || $current)
{
switch($list)
{
case 'in':
display($list, $in, $x);
break;
case 'out':
display($list, $out, $x);
break;
case 'save':
display($list, $save, $x);
break;
case 'req':
display($list, $req, $x);
break;
}
}
Apparently what was happening was that the code running under 5.1.2
was trying to process all the arrays that had values in spite of the
switch
statement in the original display() function. If the was an $in array
the
switch would process that for the $list value being 'in' but since
there
was also a save value, the switch tried to process it also, even though
'save' wasn't the $list value. I found it would do this for all arrays
that
had values. So if three had values the loop selected loop would run
three times.
Could this be a bonafide bug?
JK
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[PHP] Odd behavior
Hello,
Am having trouble with some code.
I have been developing a web based application on
a machine running php v4.3x, Apache 1.3x Mac OSX 10.3
The application works as expected on this machine.
So I copied the code to my server which is running FreeBSD
v6.0, Apache 1.3.34, php v5.1.2.
On this machine the exact same code does not work as expected
in some critical places.
Here is the code suspect of being troublesome:
include(process.php);
if(file_exists(in_tmp.php))
{
include(in_tmp.php);
}
if(file_exists(out_tmp.php))
{
include(out_tmp.php);
}
if(file_exists(save_tmp.php))
{
include(save_tmp.php);
}
if(file_exists(request_tmp.php))
{
include(request_tmp.php);
}
code snipped
function display($list, $in, $out, $save, $req, $x)
{
switch($list)
{
case 'in':
for($i = 0; $i count($in); $i++)
{$j = $i + 1;
print a
href=\steps.php?list=$listnext=$jx=$x\$j/abrbr;
// two sets of links displayed instead of one
};
break;
case 'out':
for($i = 0; $i count($out); $i++)
{$j = $i + 1;
print a
href=\steps.php?list=$listnext=$jx=$x\$j/abrbr;
// two sets of links displayed instead of one
};
break;
case 'save':
for($i = 0; $i count($save); $i++)
{$j = $i + 1;
print a
href=\steps.php?list=$listnext=$jx=$x\$j/abrbr;
// two sets of links displayed instead of one
};
break;
case 'requests':
for($i = 0; $i count($req); $i++)
{$j = $i + 1;
print a
href=\steps.php?list=$listnext=$jx=$x\$j/abrbr;
// two sets of links displayed instead of one
};
break;
};
}
The print lines above are supposed to produce a list of links to files.
In the web display I get duplicate sets of links which seems to mean
that the loops in the function are running twice, and in one instance
three times instead of once. The arrays are taken from the included
files. These files are php scripts produced by a php script after a
directory is opened and read. The arrays a declared and initialized
in these scripts. If there are no files in the directories, the scripts
are
not written (thus the code if(file_exists(so and so file) etc..).
Is there a difference in the behavior of include between php 4x and 5x?
I am also having problems with a regular expression:
$w = ereg(To:nbsp;nbsp;nbsp;nbsp;\n([ A-Za-z]*), $data, $m);
$x = ereg(recipient who='.$m[1].' to='(.*)' /, $rout, $m_1);
$dest = $m_1[1];
This code has opened and read a file and is picking out data from the
file
so it can use this data to copy the file to another directory. On my
dev server
this code works fine. On the production server this code will not pick
up the
match from the first regex and so will not find a match in the second.
Is this a difference between versions of php, known bugs, possibly a
problem with the php or Apache installation on my production server?
If nothing comes to anyone's mind, I will have to do some digging.
but if there is I would appreciate suggestions advice.
Thanks in advance.
JK
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Re: [PHP] RE: Are PHP5 features worth it?
On Dec 20, 2006, at 3:14 PM, Niels wrote: Hi, On Wednesday 20 December 2006 19:47, Ray Hauge wrote: I think all this talk goes to show you that the differences between PHP4 and PHP5 are somewhat personal at this point in the game. Some people like the better OOP features of PHP5, some people think PHP5 is faster, some people like the XML/WebServices in PHP5 better, and many others (don't forget PDO, or exceptions). Yep, that sums it up nicely. For the OP, I think it's really going to come down to what you think. Everyone's mileage is varying on this one. Here's my .02. If you go with PHP5, go with at least PHP 5.1.x, if not 5.2. I'm not sure how stable 5.2 is lately. I had heard of some issues, but they could have been from things most people don't do. I'm pretty sure that people don't install 5.0.x anymore, but 5.1 is a lot better (from what I've heard anyway. I never used 5.0.x) I think I'll move to 5.2 within a couple of months and slowly start using some of the new features. Thanks, Niels Hey, I'd like to be able to run at least two versions of php on one server and switch between them because if you've written a pile of php 4x code and need to switch to 5x, ( hosting service switches the boss you work for decides to switch , or what ever,) you have to go through all your 4x code and rewrite it to be compatible with 5x. So, the benefit of switching becomes an important consideration. While your converting 4x code to 5x compatibility you need two servers running, one with 4x interpreter and one with 5x interpreter. It really would have been nice if Apache and Zend got together so both version could be run by the same server based on something in httpd.conf and/or php.ini. What i have done, not to berate 5x is to write code that is compatible with both version. I have servers running both 4.3x and 5.1.2 and they run the same code just fine. This might give you some more perspective. JK -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] erratic bounced message notices
The following is a response to a message I sent to the link in a bounced e-mail notice from this list: This is an automated response to your message to [EMAIL PROTECTED] If you are trying to post to one of the PHP mailing lists, the correct address looks something like [EMAIL PROTECTED] If you are having problems unsubscribing, follow the directions located online at http://php.net/unsub Thanks! And this is the reply that I sent to that address: ([EMAIL PROTECTED]) Please be advised that this erratic behavior is not within my control. I do not have filters to block messages from this list. These may be intercepted by a server and bounced as a proxy, I also get lots of spam that is not addressed to me. Since SBC Yahoo has become mixed up with ATT again, I am not even sure who has my e-mail account info and I dread trying to find out from them, let alone complain about spam or bounced email problems. JK [EMAIL PROTECTED] why is this list is set up to solicit responses to messages like this and then responds as if I am doing something wrong by following the indicated link? -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Self generating variables/arrays
On Nov 26, 2006, at 5:11 AM, Stut wrote:
jekillen wrote:
I am writing some code that will format results of a search for
display.
I need to split an array into several different arrays but I won't
know
before hand how many, so, I am looking for a way to dynamically
generate arrays for this purpose.
My present direction is to use the following code:
for($i = 0; $i $c; $i++)
{ eval('$a_'.$i.' = array();'); }
Where '$c' is the derived number of arrays need to hold the
pieces of the bigger array. My confusion, though, is; since
these are created in the scope of the for loop, I don't know
if I can use them elsewhere in the code. The Global statement
sends them outside the scope of the function this code is in,
or does it? And I'm not even sure I am on the right track.
Perhaps someone can say yay or nay on the spot, if not
I can go back and do some experimenting.
I'm not sure why you think you need to do this. In PHP you do not need
to 'declare' variables, you can just use them. So unless you're
checking for the existance of these arrays after this loop, the loop
is completely pointless. But you haven't included enough information
about how you intend to use these arrays to give a definite answer.
As far as scope goes, if you want to create these variables in the
global scope, create them as elements of the $GLOBALS array
[http://php.net/manual/en/
reserved.variables.php#reserved.variables.globals].
-Stut
Thanks for the reply;
The problem is
1. one large array exploded around \n
2. then a loop looks for 'brbr\n' items
and records the index number of these items
as well of keeping a count: ($c)
3. Since $c is a variable it can represent a different
number each time.
4. Since I don't know what $c is going to be I can't
declare array variables with predetermined names
5. I want to slice the large array into $c arrays that
begin and end around items in the large array
containing 'brbr\n';
This is as much abstraction as I can give you
In context it is represented by several hundred lines of function code.
This code is supposed to format the result of a search operation.
It is tailored for a custom application. I don't want to rewrite the
whole ball of wax just so I can use someone's wonderful pre
packaged code library or applications.
(I have gone ahead with experimenting with this code and
was successful, up to a point...)
Thanks again;
JK
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[PHP] Self generating variables/arrays
Hello;
I am writing some code that will format results of a search for display.
I need to split an array into several different arrays but I won't know
before hand how many, so, I am looking for a way to dynamically
generate arrays for this purpose.
My present direction is to use the following code:
for($i = 0; $i $c; $i++)
{ eval('$a_'.$i.' = array();'); }
Where '$c' is the derived number of arrays need to hold the
pieces of the bigger array. My confusion, though, is; since
these are created in the scope of the for loop, I don't know
if I can use them elsewhere in the code. The Global statement
sends them outside the scope of the function this code is in,
or does it? And I'm not even sure I am on the right track.
Perhaps someone can say yay or nay on the spot, if not
I can go back and do some experimenting.
Thanks in advance
Jeff K
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[PHP] Use of substr()
Hello all;
I am scratching my head over the following:
I have written code that is supposed to format text
sent from a form in a textarea form element.
This text does not have new lines added if
the text is allowed to automatically wrap to the
next line. I want to automatically add new lines
to this input at appropriate locations.
Here is the code I wrote:
(It is in early stages of development)
function format_text($a, $b) // $a is text to format, from textarea, $b
is line length
{ $line = array();
$limit = (strlen($a)/$b);
for($i = 0; $i $limit; $i++)
{
$start = $i*$b;
$stop = (($i*$b) + $b) - 1;
print start : $start stop : $stopbr;
array_push($line, substr($a, $start,
$stop)); // separate into lines not greater than $b length
}
return $line;
}
Here is what is entered in a test run:
(actual text has no new lines, I added them here)
Then let us test a long string that spans more than the line length of
the text area field.
This is the way I practice both writing and typing. If I could only get
by the booby traps
and land mines with my typing, I could get somewhere.
This is output code:
if($_POST['input'])
{print strlen($_POST['input']);
print'br';
$output = array();
$output = format_text($_POST['input'], 60);
for($i = 0; $i count($output); $i++)
{ print $i :.$output[$i].'br'; }
}
Here is what comes out the other end:
239
start : 0 stop : 59
start : 60 stop : 119
start : 120 stop : 179
start : 180 stop : 239
0 :Then let us test a long string that spans more than the lin
1 : length of the text area field. This is the way I practice both
writing and typing. If I could only get by the booby tr
2 :oth writing and typing. If I could only get by the booby traps and
land mines with my typing, I could get somewhere.
3 :ps and land mines with my typing, I could get somewhere.
// e is missing from end of line 0
// portions of the text are repeated out of sequence.
The questions I have are:
What does the browser actually do when it automatically wraps textarea
input?
What could explain the scrambled result?
Thanks much to anyone taking the time:
Jeff K
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[PHP] ENV vars
Hello again; I'm wondering if it is possible to create an $_ENV var with a php script running under a web server. I'm not sure where to look in the manual or other documentations for this. Isn't there a set_env() function or something like it? (would apply to php 4 0r 5x) Thanks in advance. JK -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] buffer settings in php.ini?
Hello; I am having a strange breakdown in some dhtml that uses php to dynamically generated images and support data. The program is supposed to generate 9, 16, or 25 images. It does 9 without problems but breaks with 16, and 25. I've written the code to accommodate different numbers of images, not separate code for each size. From tracking the progress of the code (javascript/css/html and php) It appears to be some kind of a buffer limit problem. One array that the php is supposed to produce comes out fine when the function to produce it is isolated and run but breaks in the context of the code and appears to be the point where things go bad for the rest with 16 images. It is used to generate the tile images in the gd code. Each image is generated in a for loop. So, I'm wondering if generating 16 images is causing a buffer overflow, and if there is a gd specific buffer setting that can be increased, as well as the general limits for php in php.ini. Sorry, I don't remember where to look for all the php.ini info in the manual. I'm using php 5.1.2, gd 2.0.33 Thanks in advance. JK -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] forcing a script to run on page unload
Hi: I have a web application that creates files and directories to save info for a user. If the user decides to link to another page or site altogether I want to run a script that will clean up after him or her but won't interfere with where they are going. It will eventually expand to asking the user if he or she wants to save the info for a return visit. If they don't want to save it has to clean up after them and if they do it goes through the process of tagging and saving the info on the server. My strategy is to run a spontaneous form submission with the body onunload event. Then run the script and exit. I seem to remember a way to force a script to run and I've seen that in a site that I visit occasionally. Even if I quit the browser it still manages to delay the exit of the browser. But I don't remember whether it was one of my books on php or the php manual that this is in. Can someone point me in the right direction? Thanks in advance: JK -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] strange behavior
Hello:
I have a directory on a server that has php code that creates and
writes to directories as such; /tiles_.*/.
Each directory with a matching name has graphics files written to it.
i'm trying to write a script the will
eliminate the graphics files and the directories they are in
(tiles_.*). The present code is:
?php
function prune()
{
$f = 0;
$pat = 'tiles_.*';
$view = array();
$t = array();
$str = '';
$start = opendir('.');
//printHello???br; debug code
while($lst = readdir($start))
{
if(ereg($pat, $lst))
{
$t[$f] = $lst;
$str .= $t[$f].'br'; //debug code
}
$f++;
}
rewind($start);
closedir($start);
//print $str; debug codethe array $t has all valid
values at this point.
for($f = 0; $f count($t); $f++)
{$tmp = $t[$f];
chdir($tmp);
$dir = opendir($tmp);
$r = 0;
while($i = readdir($dir))
{
@unlink($i);
$r++;
};
rewind($dir);
closedir($dir);
unset($dir);
chdir('../');
rmdir($tmp);
}
}
prune();
?
The problem is that each time the for loop tries to chdir to an array
$t item, errors regarding invalid resources and none existent files are
generated.
If I use chdir('./'.$tmp) and opendir('./'.$tmp) the code removes all
the files in the directory the script is located in, including the
script file itself.
So, I am thinking that, in this case, the directories aren't even
changed when the @unlink() line is reached and unlink() only sees the
current
directory files and not included directories, and removes everything
that isn't a directory.
Here is a sample of the errors generated:
Warning: chdir() [function.chdir]: No such file or directory (errno 2)
in (path)/prune.php on line 30 // (all resources used based on this are
invalid)
and;
Warning: opendir(tiles_9215fd05) [function.opendir]: failed to open
dir: No such file or directory in
/var/www/html/exp/tile_puzzle/prune.php on line 31
(this happens on the second iteration of the loop..tiles_9215fd05
is a valid array $t item)
So, Can someone tell me what I might be doing wrong here. I don't want
to swim around with any more trial and error if possible.
I'm using php 5.1.2, Apache 1.3.34
Thanks in advance.
JK
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Re: [PHP] Re: How to re-order an array
On Jun 11, 2006, at 1:21 PM, Rafael wrote: jekillen wrote: [···] You misunderstand my question. I know the limitations of javascript. The server won't respond to events registered in the browser. I write tons of forms that are all processed by the client with javascript. I have written ferocious regex filters that hack apart form submissions before they even leave the client. I have set it up so if the client doesn't have javascript enabled, the form won't submit if it is going to the server. That is why as much as possible I shift form processing to the client as much as possible, for security and to off load work to the client. I use php to dynamically write js files when necessary, anticipating what data will be requested. I didn't (misunderstood), what I told you is that you cannot rely on javascript (actually, that would be anything coming from the client) You need to do validate on the server, and it doesn't matter if you already did it on the client or not (simply because you cannot know that for sure) This is a problem that is more a matter of programming theory. I have posted to javascript forums and lists and have never got a response. I will be applying this to dhtml which the server won't and can't do but may help things along with Ajax. Just a simple suggestion about how to reorder arrays if you have a few words and suggestions. I'm not looking for free training. I have been learning and using php and javascript for some five years and have developed my own approach to testing and debugging and such. So I am not really a newby. I have made the dumb mistakes of asking for help from forums and lists when it was just a dumb syntax error that I couldn't expect anyone but my self to find, which i have in 99.9% of the cases. Some times it is nice to get some quick help from a list and I will try to return the favor when ever possible to the next person looking for help that I have some answers for. Well, I asked you for the actual (JS) code you're using (the one that didn't work in all the intended browsers), that way someone might be able to help you (I will if I can) Array.push(), Array.pop(), Array.shift(), Array.unshift(). I thought that if I used Ajax, php could use its push and pop, shift and unshift functions, but not all browsers support the asymetric requests. I do screen in the server. But I force the user to have javascript enabled and force the form to submit using javascipt, and have a unique id as a javascript variable that is sent along with the form in a hidden field to identify the source of the form data. I never use get requests unless they are appended to anchor tags, even in forms that are not processed by the server (I.E. running javascript code with user supplied arguments to functions via form fields, in which case an action attribute isn't even necessary, and like wise a post or get method). JK -- Atentamente / Sincerely, J. Rafael Salazar Magaña -- 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] Re: How to re-order an array
On Jun 10, 2006, at 5:32 PM, Rafael wrote: Since you asked for some theory... theorically, you won't rely on javascript to prepare/validate/whatever some data to the server, that's what server-side scripts are for. Note: you may use JS to make things quicker if possible, or to pre-digest the data, but you shall not rely entirely on JS. You misunderstand my question. I know the limitations of javascript. The server won't respond to events registered in the browser. I write tons of forms that are all processed by the client with javascript. I have written ferocious regex filters that hack apart form submissions before they even leave the client. I have set it up so if the client doesn't have javascript enabled, the form won't submit if it is going to the server. That is why as much as possible I shift form processing to the client as much as possible, for security and to off load work to the client. I use php to dynamically write js files when necessary, anticipating what data will be requested. This is a problem that is more a matter of programming theory. I have posted to javascript forums and lists and have never got a response. I will be applying this to dhtml which the server won't and can't do but may help things along with Ajax. Just a simple suggestion about how to reorder arrays if you have a few words and suggestions. I'm not looking for free training. I have been learning and using php and javascript for some five years and have developed my own approach to testing and debugging and such. So I am not really a newby. I have made the dumb mistakes of asking for help from forums and lists when it was just a dumb syntax error that I couldn't expect anyone but my self to find, which i have in 99.9% of the cases. Some times it is nice to get some quick help from a list and I will try to return the favor when ever possible to the next person looking for help that I have some answers for. You say that not all browsers support the javascript functions you pretend 'scuse me, did i pretend to use something?? to use, and that not all them support Ajax either. That sounds just like saying that not all browser will have javascript enabled --that's why you shouldn't rely on javascript Although, this isn't a javascript list, why don't you send whatever you were trying to solve this issue? the code that uses JS functions not supported for all the browsers that will potentially run the script (as well as what these browsers are) Most likely someone will be able to help you this way. Thanks for the attitude. jk jekillen wrote: Hello; i'm scratching my head with a difficulty. The situation is this. A script begins with one indexed array (not associative) and one other indexed array with the same values in a different order, the final order. I want to create an interim array and progressively re order the array until it matches slot for slot one of the original arrays. At this point the script is considered completed. One important factor is that I'm looking to write this in javascript and the interim array will be altered by the actions of a web page user. Why am I asking the php list? Because I have a better chance of getting an answer here. I'm not looking for help with javascript, specifically, just how one would go about this task. Answer with php code and some theory if you wish and I will try to translate it into javascript. Some javascript functions I might use aren't supported in all the browsers that will potentially run the script. I might resort to using Ajax and let php keep track for me. But, then again not all browsers will do the Ajax either (as I understand it). -- Atentamente / Sincerely, J. Rafael Salazar Magaña -- 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] PHP JavaScript
On May 19, 2006, at 8:20 AM, Jay Blanchard wrote: [snip] http://us2.php.net/variables.external [/snip] BINGO! We have a winner! It can be as simple as adding an id to each checkbox; input type=checkbox id=list37 name=list37[] value=4 / By doing this I did not have to change the function or the function calls. JS recognizes the boxes by id, PHP recognizes the array. There were some other more complex solutions listed.but I believe in KISS I'm one of 'em, I do javascript programming myself and finding the right simplicity can be one hell of a task. I'll keep this in mind for the future. I'm thinking of starting a web site database for posting of any and all who are willing to contribute to a single source for all bugs, levels of javascript DOM and css support in all or as many as possible extant browsers. Quirks, you name it. It will be if you have knowledge and solutions and want to contribute. It won't be a gripe and hold my hand and listen to my woes, but look for a subject like a particular browser and version, OS, platform and get a knowledge base for that query. Here's one to start: Internet Explorer v5 on Mac OSX and others won't run a function with a variable declared inside the function. The variable has to be declared outside of the function in the global space before it will be used inside a function. This occurs with form submission from an onclick event, rather than a submit button. I do this to insure that input filters are run before the form is sent to the server. The functions I write for this do pre submit processing like run regex filters on text fields and text areas and use document.forms formname.submit(). In a particular class of browser, but not all versions of the same browser nor platform will run the function with variables declared inside the function. I don't think this is 'OT' for this list because for me php and javascript are great team mates. But javascript can be a rats nest particularly for dhtml. I have some demonstrations in my web site but I'm being timid about giving out the url until it has time to prove it will stay afloat before a crowd tries to use it. (I host my own site from an ADSL connection). I'm running php 5.0.1 with gd support, freetype, t1, mysql, etc, etc. on FreeBSD. JK. -- 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
