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

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

(PECL event >= 1.4.0-beta) Constructs EventHttpRequest object

(PECL gearman >= 0.5.0) Add a task to be run in parallel

(PECL sam >= 0.1.0) Queries whether a connection is established to a Messaging Server

(PHP 4, PHP 5 < 5.2.0, PECL hwapi SVN) Returns a list of all source anchors

(PECL svm >= 0.1.0) Return the current training parameters

(PHP 4 >= 4.0.6, PHP 5 <= 5.0.5) Traverse the map and call a function on each entry

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

(PHP 4, PHP 5 < 5.2.0, PECL hwapi SVN) Returns statistics about database server