(PECL bcompiler >= 0.4) Reads the bytecodes of a class and calls back to a user function

(PECL runkit >= 0.7.0) Remove a function definition

(PECL bcompiler >= 0.3) Writes the bcompiler header

(PECL bcompiler >= 0.6) Writes a php source file as bytecodes

(PECL wincache >= 1.1.0) Deletes entire content of the user cache

(PECL apc >= 3.0.0) Loads a set of constants from the cache

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

(PECL runkit >= 0.7.0) Process a PHP file importing function and class definitions, overwriting where appropriate

(PECL apcu >= 4.0.0) Cache a new variable in the data store

(PECL apc >= 3.0.13) Cache a new variable in the data store