Question

ini_set()

Asked by: SamsonChung

Hi,

I am working on a PHP file, that requires deployment to various sites, however, due to the way that it was coded from before my time, it only works on php 4.2.* or lower (that Session bug problem which was fixed in 4.3.* and up....

So, in order to all smooth deployment, I was attempting to add in the lines at the top of the php file which would alter running php.ini file.

ini_set().

for some strange reasons, it didn't affect the page what so ever.

when I did that same thing with a phpinfo() call, it works.

Is there something that I am forgetting here?

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Asked On
2007-05-01 at 12:19:04ID22545859
Tags

ini_set

,

php

Topic

PHP Scripting Language

Participating Experts
2
Points
500
Comments
7

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Answers

 

by: CraigHarrisPosted on 2007-05-01 at 14:50:43ID: 19011977

You should be able to use ini_set to change the value of session.bug_compat_42 for the current script
Or just change it in the actual php.ini file manually.
(Note that ini_set doesn't modify the actual ini file)

What are you actually trying to set which isn't working?

You should check http://www.php.net/session and http://www.php.net/ini_set
for further details

If you post your actual code here and tell us what version of PHP you are running and what platform it's on.



If it's just that session bug issue that's a problem, then you should be able to solve it with any of these 3 methods:

ini_set('session.bug_compat_42', 0); // put this at start of every script affected

or, just modify the php.ini file with:

session.bug_compat_42 = off

or, to just modify it for part fo a site without editing every script you can easily add a .htaccess file containing:

php_flag session.bug_compat_42 off


(and if it's more than just the session bug, then repeat the applicable line changing the setting name as applicable)

 

by: SamsonChungPosted on 2007-05-01 at 15:36:23ID: 19012242

the PHP version i am running is php 4.4.4
planning to upgrade to php 5.2.1 soon. but I want to see it working on 4.4.4 first.

There are several things I wanted to ensure meets the requirements.

i am adding a new file at the begining of each php page. and in it. is
the following

<?php
ini_set("session.bug_compat_42", "1");
ini_set("session.bug_compat_warn", "0");
ini_set("register_globals", "On");
ini_set("error_reporting", "E_ALL & ~E_NOTICE");
?>

maybe I should take out the " ? What about error_reporting? should I keep it as it is or is there a numerical value that could represent this instead?

 

by: fiboPosted on 2007-05-01 at 16:30:52ID: 19012528

Yes, remove the "
<?php
ini_set("session.bug_compat_42", 1);
ini_set("session.bug_compat_warn", 0);
ini_set("register_globals", On);
ini_set("error_reporting", E_ALL & ~E_NOTICE);
?>

 

by: CraigHarrisPosted on 2007-05-01 at 16:39:14ID: 19012569

officially ini_set takes the 2nd parameter as a string:
string ini_set ( string $varname, string $newvalue )

but you certainly can't quote "E_ALL & @E_NOTICE" in any case !! -- the logic simply wouldn't be applied

'On' should be quoted or set as 1 though ... you can even use true/false

It doesn't care much about variable types

 

by: SamsonChungPosted on 2007-05-02 at 07:28:04ID: 19016089

Ok, that got the inline one to work. However.

<?php
include("./lib/adapter.php");
phpinfo();
?>

Where adapter.php contains
<?php
ini_set("session.bug_compat_42", 1);
ini_set("session.bug_compat_warn", 0);
ini_set("register_globals", On);
ini_set("error_reporting", E_ALL & ~E_NOTICE);
?>

doesn't work. is this the same problem?

 

by: SamsonChungPosted on 2007-05-02 at 07:30:11ID: 19016119

the worst part is, it is only dying on register_globals and nothing else.

 

by: SamsonChungPosted on 2007-05-02 at 07:35:02ID: 19016165

let me rephase that a bit.

out of the 4 ini_set, register_globals is the only one that is not changing on the phpinfo().

I got a feeling this is also happending if I add the 4 lines to the top of the page. However,
register_globals is the one major thing that I really need turned on to have my site functioning properly.

20120131-EE-VQP-002

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