(PHP 4, PHP 5, PHP 7) Returns the last modified time of the given file

(PECL event >= 1.10.0) Free resources allocated for this event base

(PECL event >= 1.4.0-beta) Adds a server alias to the HTTP server object

(PECL zmq >= 0.5.0) Bind the socket public

(PHP 4 >= 4.0.5, PHP 5, PHP 7) Get next reference

(PECL zmq >= 0.5.0) Whether the socket is persistent

(PHP 5 <= 5.0.5) Temporarily suspend monitoring

(PECL memcached >= 0.1.0) Compare and swap an item

(PECL event >= 1.2.6-beta) Constructs timer event object

(PECL memcache >= 0.2.0) Add an item to the server