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

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

(PECL apc >= 3.1.1) Get total count public

(PECL apcu >= 5.0.0) Rewinds iterator public

(PECL apcu >= 5.0.0) Get total cache size

(PECL apc >= 3.1.1) Deletes files from the opcode cache

(PECL apc >= 3.1.1) Decrease a stored number

(PECL apc >= 3.1.4) Checks if APC key exists

(PECL apcu >= 4.0.0) Checks if entry exists

(PECL apcu >= 5.0.0) Checks if current position is valid