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PHP memory_limit local value does not match php.ini value

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CentOS system.

Summary: changed memory_limit in master and local php.ini and yet no change in the local value for a particular virtual host.

Trying to improve performance, I set the memory_limit to 1024M in /etc/php.ini

phpinfo() shows Master and Local values for other virtual hosts on the server as 1024M. Changing the value in /etc/php.ini changes all values, except one.

One site is stuck with a local value of 256M.

I thought I found the problem: there is a php.ini file (which I didn't know about) in that site's root, and it had

memory_limit = 256M

I changed it to 1024M. Problem solved? No. And now I don't know where to look. Obviously, I've restarted apache (/etc/init.d/httpd restart), and that usually does the trick.

I also turned off APC cache, though I don't think it would cache ini files.

And finally, I tried adding this to the virtual host in httpd.conf:

php_value memory_limit 536870912

(yes, that would be 512MB) And that had no effect whatsoever.

What else could be the problem?

 

asked Jun 28, 2012 by anonymous  

1 Answer

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I found the answer. There was a hidden .htaccess file in the site root that was overriding all other values.

It had the line:

php_value memory_limit 256M

I changed it to:

php_value memory_limit 1024M

No need to restart apache, the memory limit went up to 1024M immediately.

answered Jun 28, 2012 by anonymous  
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