(PHP 5 >= 5.5.5, PHP 7, PECL ZendOpcache > 7.0.2) Get status information about the cache
(PHP 5 >= 5.5.0, PHP 7, PECL ZendOpcache >= 7.0.0) Invalidates a cached script
(PHP 5 >= 5.5.0, PHP 7, PECL ZendOpcache >= 7.0.0) Resets the contents of the opcode cache
(PHP 5 >= 5.5.5, PHP 7, PECL ZendOpcache > 7.0.2) Get configuration information about the cache
(PHP 5 >= 5.5.5, PHP 7, PECL ZendOpcache > 7.0.2) Compiles and caches a PHP script without executing it
(PHP 5 >= 5.6.0, PHP 7, PECL ZendOpcache >= 7.0.4) Tells whether a script is cached in OPCache