php-general Digest 3 May 2005 20:12:52 -0000 Issue 3433
Topics (messages 214371 through 214383):
Merging Strings
214371 by: Rolf van de Krol
214372 by: Jochem Maas
Re: setting condition problem
214373 by: Mark Rees
Re: handling a user pressing browser's back button
214374 by: Matthew Weier O'Phinney
Re: Can someone help me build a regular expression?
214375 by: Matthew Weier O'Phinney
Check for doubleposts
214376 by: Fredrik Arild Takle
214378 by: pete M
Error suppression operator (@)
214377 by: GamblerZG
214382 by: Jason Barnett
Valid email address syntax script?
214379 by: JM
214380 by: Matthew Weier O'Phinney
Access files
214381 by: Don
Re: forms
214383 by: Jason Barnett
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----------------------------------------------------------------------
--- Begin Message ---
Hi all,
why do result the following two examples in two different value for $month?
(1)
$current_date = getdate(time());
$month = strval($current_date['year']);
$month .= (strlen(strval($current_date['mon'])) ==
2)?$current_date['mon']:("0".$current_date['mon']);
(2)
$current_date = getdate(time());
$month = strval($current_date['year']) .
(strlen(strval($current_date['mon'])) ==
2)?$current_date['mon']:("0".$current_date['mon']);
The first example sets $month to 200505 and the second sets it to 5. Why is
that. In my opinion they both should set it to 200505.
Is this a weird bug, or did i something wrong?
I'm using PHP 4.3.10 with Apache 1.3.33 on W2K Pro, but the server of my
hosting provider does the same (php 4.3.10 + apache (don't know the version,
i guess 1.3.33) on linux (i'm not sure, but i thought it was redhat)).
Rolf van de Krol
--- End Message ---
--- Begin Message ---
Rolf van de Krol wrote:
Hi all,
why do result the following two examples in two different value for $month?
(1)
$current_date = getdate(time());
$month = strval($current_date['year']);
$month .= (strlen(strval($current_date['mon'])) == 2)
? $current_date['mon']
: ("0".$current_date['mon']);
$current_date = getdate(time());
$month = strval($current_date['year']) . (strlen(strval($current_date['mon'])) == 2) ?
$current_date['mon']
: ("0".$current_date['mon']);
in the second version:
strval($current_date['year']) . (strlen(strval($current_date['mon'])) == 2)
is equal to TRUE, therefore $current_date['mon'] is returned, you are missing
parentheses around the tertiary expression (?:).... so:
$current_date = getdate(time());
$month = strval($current_date['year']) .
((strlen(strval($current_date['mon'])) == 2) ? $current_date['mon'] :
"0".$current_date['mon']);
btw, have a look at str_pad:
$current_date = getdate();
$month = str_pad($current_date['mon'], 2, "0", STR_PAD_LEFT);
echo $month;
The first example sets $month to 200505 and the second sets it to 5. Why is
that. In my opinion they both should set it to 200505.
Is this a weird bug, or did i something wrong?
I'm using PHP 4.3.10 with Apache 1.3.33 on W2K Pro, but the server of my
hosting provider does the same (php 4.3.10 + apache (don't know the version,
i guess 1.3.33) on linux (i'm not sure, but i thought it was redhat)).
Rolf van de Krol
--- End Message ---
--- Begin Message ---
Does this help?
Select
*
From
Projects
Order By
Relate,Title
If not, please provide more details on the output you want to see and
the structure of your table
Mark
-----Original Message-----
From: Ahmed Abdel-Aliem [mailto:[EMAIL PROTECTED]
Sent: 02 May 2005 21:49
To: [email protected]
Subject: [PHP] setting condition problem
hi all
i have a query that grabs records from the database, it works fine,
but i have a problem with acondition i want to set for it
the variable $Record[Relate] has 1 of 2 values, "self" or "share"
what i wanna do is that when the variable has the value "share" it do
check the records grabbed and get the other records that has the value
share and $Record[Title] the same and display them once,
i don't know how to start doing this,
can anyone guide me or tell me how to do it
thanks in advance
here is the query
<?
$Query = "SELECT ID FROM projects";
$Result= mysql_query($Query);
$Total_Numbers = mysql_num_rows($Result);
$StartingID=$_GET['StartingID'];
$StartingID = ($StartingID) ? $StartingID : 0; //if rec is passed in,
use it,
$Row = array();
$Query = mysql_query("SELECT * FROM projects ORDER BY ID DESC LIMIT
$StartingID,$Items_Numbers");
$Num = mysql_num_rows($Query);
while ($Record=mysql_fetch_array($Query)){
$Record[ID] = stripslashes($Record[ID]);
$Record[User] = stripslashes($Record[User]);
$Record[Relate] = stripslashes($Record[Relate]);
$Record[Thumb] = stripslashes($Record[Thumb]);
$Record[Shot] = stripslashes($Record[Shot]);
$Record[Title] = stripslashes($Record[Title]);
$Record[Link] = stripslashes($Record[Link]);
$Record[Type] = stripslashes($Record[Type]);
$Record[Skill] = stripslashes($Record[Skill]);
$Record[Info] = stripslashes($Record[Info]);
$Record[Time] = stripslashes($Record[Time]);
$Record[Date] = stripslashes($Record[Date]);
$Record[Rate] = stripslashes($Record[Rate]);
$Record[Raters] = stripslashes($Record[Raters]);
$Row[] = $Record;
}
$Next = $StartingID+$Items_Numbers;
$Prev = $StartingID-$Items_Numbers;
?>
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--- End Message ---
--- Begin Message ---
* James <[EMAIL PROTECTED]>:
> Actually:
>
> Will there be an issue with the back button if I use 1 script to do
> all of what I posted before?
No.
> Thank you guys for the answers. I think I will go with the following
> approach.
>
> (A) script 1 submits to script 2 then
> (B) script 2 redirects browser back to script 1
>
> Script 1 is in charge of submitting and displaying; script 2 does the
> processing.
>
> This list is the best!
> -James
>
>
> At 2:08 AM +0000 4/27/05, Matthew Weier O'Phinney wrote:
> >* James <[EMAIL PROTECTED]>:
>>> I apologize in advance if I'm asking basic questions...
>>>
>>> When you hit the back button, won't the browser just take the page
>>> from the cache?
>>>
>>> I haven't switched my POSTs to GETs and this is what I'm seeing.
>>> I have a list of images. There are check boxes next to the images.
>>> When the user checks images and clicks on a DELETE CHECKED link, a
>>> new list is shown (minus the ones deleted.) When the user hits the
>>> BACK button, I see the list again with checks next to the previous
>>> images marked for deletion
> >
> >By the way... the rule of thumb I think about is this:
> >* Use GET requests when you want to be able to bookmark the page --
>> i.e., when you want the behaviour repeatable. Typical example is
>> searches.
> >
> >* Use POST requests when the operation will affect the data in some way
>> that shouldn't be cached. Examples: submitting data that will be
>> stored in the database, will update a database, or will delete an
>> entry in the database.
> >
> >Because of the back button issues (namely, not all browsers treat 'back'
> >the same way), you will need to do some workarounds, typically with
> >sessions; I've mentioned these under separate cover.
> >
>>> Just in case...
>>> I tried to add the following header before any html output to force
>>> the browser to not load from the cache and it didn't work.
>>>
>>> header("Cache-Control: no-store, no-cache, must-revalidate");
> >
> >Not all browsers will actually follow these 'rules' (actually, they're
> >in the HTTP specification, but 'rule' just sounds better). Heck,
> >versions of the same browser on different platforms sometimes treat them
> >differently.
> >
> >This is why session handling techniques are a common 'fix' for bad
> >browser behaviour in these instances.
> >
> >--
> >Matthew Weier O'Phinney | WEBSITES:
> >Webmaster and IT Specialist | http://www.garden.org
> >National Gardening Association | http://www.kidsgardening.com
> >802-863-5251 x156 | http://nationalgardenmonth.org
> >mailto:[EMAIL PROTECTED] | http://vermontbotanical.org
> >
> >--
> >PHP General Mailing List (http://www.php.net/)
> >To unsubscribe, visit: http://www.php.net/unsub.php
>
>
--
Matthew Weier O'Phinney | WEBSITES:
Webmaster and IT Specialist | http://www.garden.org
National Gardening Association | http://www.kidsgardening.com
802-863-5251 x156 | http://nationalgardenmonth.org
mailto:[EMAIL PROTECTED] | http://vermontbotanical.org
--- End Message ---
--- Begin Message ---
* Rory Browne <[EMAIL PROTECTED]>:
> > You mite try this. I know that this work with perl.
> >
> > =~ m/^[0-9][A-Z][a-z]{2-3} \.[0-9]+$/
>
> I'm not sure what the initial m does(I'm not a perl person),
The 'm' is an optional flag indicating that a 'match' regexp (versus a
substitution or transliteration) follows. It's typically only necessary
in perl if using delimiters other than / around the regexp.
(The person who posted that should have written it as PHP to avoid
confusion: preg_match('/^[0-9][A-Z][a-z]{2-3} \.[0-9]+$/', $string);)
--
Matthew Weier O'Phinney | WEBSITES:
Webmaster and IT Specialist | http://www.garden.org
National Gardening Association | http://www.kidsgardening.com
802-863-5251 x156 | http://nationalgardenmonth.org
mailto:[EMAIL PROTECTED] | http://vermontbotanical.org
--- End Message ---
--- Begin Message ---
Hi,
what is the easiest way to check if a person i registered twice in a
mysql-table. Lets assume that I only check if the last name is in the table
more than once. This is in mysql 4.0 (subquery not an option).
Do I have to use arrays and in_array. Or is there a more elegant solution?
Best regards
Fredrik A. Takle
--- End Message ---
--- Begin Message ---
set a $_SESSION['var'] at the end of the first post and check for this
the second time around
pete
Fredrik Arild Takle wrote:
Hi,
what is the easiest way to check if a person i registered twice in a
mysql-table. Lets assume that I only check if the last name is in the table
more than once. This is in mysql 4.0 (subquery not an option).
Do I have to use arrays and in_array. Or is there a more elegant solution?
Best regards
Fredrik A. Takle
--- End Message ---
--- Begin Message ---
I would like to know, whether using @ is a good practice. For example, I
have an array of unknown length $array.
Is it all right write something like this:
@list($first, $second) = $array;
or is it better to do length check?
--- End Message ---
--- Begin Message ---
GamblerZG wrote:
I would like to know, whether using @ is a good practice. For example, I
have an array of unknown length $array.
Is it all right write something like this:
@list($first, $second) = $array;
or is it better to do length check?
Using @ is good practice in any case where you simply *don't care*
whether you had an error or not. So if your scripts don't need a value
stored in $first or in $second, then you can use the @ operator. But
don't use @ in any case where you need to trap for errors (e.g.
validating input from $_GET / $_POST).
--- End Message ---
--- Begin Message ---
Does anyone have a nice email address syntax checking script they'd
like to share? Regular expression-based anyone? TIA.
--
J
--- End Message ---
--- Begin Message ---
* Jm <[EMAIL PROTECTED]>:
> Does anyone have a nice email address syntax checking script they'd
> like to share? Regular expression-based anyone? TIA.
I use the following regex:
preg_match('/[EMAIL PROTECTED]@([-a-z0-9]+\.)+[a-z]{2,}$/i', $email)
I believe I got it out of the PHP Cookbook, by David Sklar, but I can't
remember for certain. It's not 100% accurate, but I rarely have
complaints from users whose emails don't validate.
--
Matthew Weier O'Phinney | WEBSITES:
Webmaster and IT Specialist | http://www.garden.org
National Gardening Association | http://www.kidsgardening.com
802-863-5251 x156 | http://nationalgardenmonth.org
mailto:[EMAIL PROTECTED] | http://vermontbotanical.org
--- End Message ---
--- Begin Message ---
Hi,
I am using php 4.3.11 on a RedHat Linux server running Apache. I have a
requirement where I need to take a flat file containing formatted data and
produce an Access 97 MDB file.
Does anyone know of a class or library that will enable me to do this?
Thanks,
Don
--- End Message ---
--- Begin Message ---
Lisa A wrote:
Does anyone know of a good easy php script or Form that we can use with
Front Page.
We need a form to get results, that actually sends the results in a format
that is easy to read.
Not all run together with no spaces, etc. like the Front Page forms.
Thanks,
Lisa A
<?php
/** File Action.php
* This page should be the action for your form page
*/
/** Formatting */
echo '<pre>';
/** Print out form vars */
print_r($_GET);
print_r($_POST);
/** Not 100% accurate, but an alternative if you're lazy */
print_r($_REQUEST);
/** Just for completeness, the closing tag */
echo '</pre>';
?>
--- End Message ---
