(PECL apcu >= 5.0.0) Get current item public

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

(PHP 5 >= 5.5.5, PHP 7, PECL ZendOpcache > 7.0.2) Compiles and caches a PHP script without executing it

(PECL apd >= 0.2) Stops the interpreter and waits on a CR from the socket

(PHP 4, PHP 5, PHP 7) Gets the current active configuration setting of magic_quotes_runtime

(PHP 4, PHP 5, PHP 7) Send an error message to the defined error handling routines

(PECL blenc >= 5) Encrypt a PHP script with BLENC.

(PECL xhprof >= 0.9.0) Stops xhprof profiler

(PHP 4 >= 4.0.1, PHP 5, PHP 7) Sets a user-defined error handler function

(PECL xhprof >= 0.9.0) Stops xhprof sample profiler