(PECL apcu >= 5.1.0) Atomically fetch or generate a cache entry

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

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

(PECL apcu >= 5.0.0) Get iterator key public

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

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

(PHP 4, PHP < 5.5) Gets the Zend guid string

(PECL runkit >= 0.7.0) Check the PHP syntax of the specified file

(PECL apcu >= 4.0.0) Removes a stored variable from the cache

(PECL apcu >= 5.0.0) Get total count public