(PHP 4 >= 4.0.4, PHP 5, PHP 7) Get information regarding a specific transfer

(PECL zmq >= 0.5.0) ZMQ constructor private

(PECL gearman >= 0.5.0) Get completion percentage numerator

(PECL event >= 1.4.0-beta) Removes all output headers from the header list of the request

(PECL mqseries >= 0.10.0) Returns the error message corresponding to a result code (MQRC).

(PECL event >= 1.2.6-beta) Read buffer's data

(PECL event >= 1.10.0) Returns version of cipher used by current SSL connection.

(No version information available, might only be in Git) Send data to all job servers to see if they echo it

(No version information available, might only be in Git) Prevents priority inversion

(PECL event >= 1.2.6-beta) Returns event method in use