Last updated June 16, 2006. Created by Jeremy on August 24, 2003.
Edited by kbahey, Uwe Hermann. Log in to edit this page.
PHP is a scripting language. Each time a PHP script is run to generate a webpage with Drupal, your web server must compile the PHP script into an executable format. This results in an obvious amount of overhead each time a page is generated.
A PHP cache can be installed to save and re-use compiled PHP scripts, thus greatly reducing the amount of overhead required for Drupal to display a web page.
There are a number of PHP caches (aka accelerators) available, including: