(PECL apcu >= 4.0.0) Retrieves APCu Shared Memory Allocation information

(PHP 4, PHP 5, PHP 7) Gets the value of a PHP configuration option

(PECL runkit >= 0.7.0) Copy a function to a new function name

(PECL uopz >= 1.0.3) Restore a previously backed up function

(PHP 4, PHP 5, PHP 7) Alias of

(PECL runkit >= 0.7.0) Dynamically adds a new method to a given class

(PHP 4, PHP 5, PHP 7) Gets the value of a configuration option

(PECL apc >= 3.1.1) Updates an old value with a new value

(PECL apc >= 2.0.0) Retrieves APC's Shared Memory Allocation information

(PHP 4, PHP 5, PHP 7) Gets the current resource usages