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

(PECL event >= 1.2.6-beta) Connects to a hostname with optionally asyncronous DNS resolving

(PECL libevent >= 0.0.1) Makes event pending

(PHP 4 >= 4.0.1, PECL yaz >= 0.9.0) Wait for Z39.50 requests to complete

(PHP 5 >= 5.5.0, PHP 7) Get file name for POST

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

(PECL memcached >= 0.1.0) Prepend data to an existing item

(PECL event >= 1.4.0-beta) Makes an HTTP request over the specified connection

(PECL event >= 1.4.0-beta) Frees the object and removes associated events

(PECL svn >= 0.1.0) Fetches the value of a named property