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PHP V3.1 Documentation

You are viewing an old version of the documentation. For the latest, please go here: PHP V3.2

Advanced Suggestions

Advanced Suggestions

These suggestions will improve the performance of your solution significantly and are highly recommended for production deployment.


To significantly increase performance, we recommend that you use APC or WinCache. The installation procedure changes depending upon your site host and server configuration. For full installation instructions, please see:


IIS/WebMatrix installations

For IIS and WebMatrix PHP users, it is recommended to use Microsoft’s WinCache. For full details, go to http://www.iis.net/download/WinCacheForPhp and use the link for the Web Platform Installer to install WinCache.

Windows XAMPP/Windows-Server run Apache installations

1) Download the APC installation at http://downloads.php.net/pierre/ (search for APC and download the version closest to your PHP installation. For example, for 5.3, use php_apc-3.1.10-5.3-vc9-x86.zip).

2) Extract the file in the /ts folder of the zip file to the ext folder of your PHP installation

Add the following line to your php.ini file under [Extensions]:

add extension=php_apc.dll

4) Open to the httpd.conf file in a text editor.

5) Replace all instances of

AllowOverride None


AllowOverride All

6) If Apache is running, stop it and start it back up again.

Unix/Linux Servers

Please ensure you are running PECL first. If this is installed and running, to install APC type the following into your command line:

sudo pecl install apc

You may need to restart Apache after the installation.


UDP messages are used to transmit usage information when sockets are enabled. Most PHP environments by default will enable sockets. However, on some IIS or Windows Server PHP default installations (e.g. WebMatrix), the extension needs to be enabled manually.

Windows Servers

Open the PHP configuration file (php.ini) in the text editor of your choice and search for the following line:


Simply uncomment this line like this:



Open the PHP configuration file (php.ini) in the text editor of your choice and search for the following line:


If this line is not available, then add, or otherwise uncomment this line like this: