(PECL apc >= 3.1.4) Load a binary dump into the APC file/user cache

(PECL uopz >= 1.0.0) Implements an interface at runtime

(PECL apc >= 3.1.1) Constructs an APCIterator iterator object

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

(PHP 5, PHP 7) Prints a backtrace void debug_print_backtrace

(PECL bcompiler >= 0.4) Reads and creates classes from a bcompiler exe file

(PECL runkit >= 0.7.0) Dynamically changes the name of the given method

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

(PHP 5, PHP 7) Restores the previously defined exception handler function

(PECL apcu >= 4.0.0) Retrieves cached information from APCu's data store