(PECL weakref >= 0.2.0) Advances to the next map element

(PECL bcompiler >= 0.4) Writes the single character \x00 to indicate End of compiled data

(PECL apc >= 3.0.0) Removes a stored variable from the cache

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

(PECL apc >= 3.1.1) Increase a stored number

(PHP 5 >= 5.2.0, PHP 7) Returns the peak of memory allocated by PHP

(PECL apc >= 3.0.0) Cache a variable in the data store

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Returns an associative array with the names of all the constants and their

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

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