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

(PHP 5 >= 5.3.0, PHP 7) Forces collection of any existing garbage cycles

(PECL apcu >= 5.0.0) Constructs an APCUIterator iterator object

(PHP 4, PHP 5 < 5.5) Gets the logo guid string

(PECL apd >= 0.2) Renames orig_name to new_name in the global function table

(PECL apc >= 3.1.4) Get a binary dump of the given files and user variables

(PECL uopz >= 1.0.0) Redefine a constant void

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

(PECL weakref >= 0.2.0) Returns the current value under iteration

(PECL wincache >= 1.0.0) Refreshes the cache entries for the cached files