how you can specify a custom php.ini for a web site running on Apache2 with mod_php. That way, each web site can have its own php.ini instead of having to use the server's default one.
1 Preliminary Note
I'm using the web site www.example.com here with the document root /var/www/web1/web here.
2 Getting Details About Your PHP Installation
We will now create a small PHP file (info.php) in the document root and call it in a browser. The file will display lots of useful details about our PHP installation, such as the used php.ini file.
vi /var/www/web1/web/info.php
<?php phpinfo(); ?> |
Now we call that file in a browser (e.g. http://www.example.com/info.php):
As you see, the web site is currently using the /etc/php5/apache2/php.ini file.
3 Custom php.ini For Each Web Site
I will copy the default php.ini (/etc/php5/apache2/php.ini on Debian/Ubuntu; /etc/php.ini on Fedora/CentOS) to the /var/www/web1/ directory and make www.example.com use the php.ini from the /var/www/web1/ directory:
Debian/Ubuntu:
cp /etc/php5/apache2/php.ini /var/www/web1/
Fedora/CentOS:
cp /etc/php.ini /var/www/web1/
(You can now modify /var/www/web1/php.ini to your likings.)
Then open the vhost configuration for the www.example.com web site and add a PHPINIDir line to it:
<VirtualHost 1.2.3.4:80> [...] PHPINIDir /var/www/web1 [...] </VirtualHost> |
PHPINIDir must contain the directory where the php.ini file for the web site is located.
Restart Apache afterwards:
Debian/Ubuntu:
/etc/init.d/apache2 restart
Fedora/CentOS:
/etc/init.d/httpd restart
Now call the info.php file again in a browser (http://www.example.com/info.php):
The Configuration File (php.ini) Path line should now show the new php.ini.
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