(PECL apcu >= 5.0.0) Get current item public

(PECL weakref >= 0.2.0) Removes an entry from the map

(PECL apcu >= 4.0.0) Checks if entry exists

(PECL apc >= 3.1.1) Get total cache size public

(PHP 5 >= 5.2.4, PHP 7) Retrieve a path to the loaded php.ini file

(PHP 5, PHP 7 >= 5.5.0, PHP 7) Returns the current process title

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Restores the value of the include_path configuration option

(PECL apc >= 3.1.1) Get total cache hits public

(PECL bcompiler >= 0.5) Writes a defined constant as bytecodes

(PECL runkit >= 0.7.0) Add a new function, similar to