(PECL runkit >= 0.7.0) Runkit Anti-Sandbox Class

(PECL wincache >= 1.1.0) Retrieves information about data stored in the user cache

(PECL apc >= 3.1.1) Decrease a stored number

(PECL uopz >= 1.0.3) Backup a function void

(PECL runkit >= 0.7.0) Similar to define(), but allows defining in class definitions as well

(PHP 4, PHP 5, PHP 7) Returns an array with the names of the functions of a module

(PHP 4, PHP 5, PHP 7) Loads a PHP extension at runtime

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Gets options from the command line argument list

(PHP 4 >= 4.0.1, PHP 5, PHP 7) Returns the type of interface between web server and PHP

(PHP 5 >= 5.5.5, PHP 7, PECL ZendOpcache > 7.0.2) Get configuration information about the cache