(PECL event >= 1.2.6-beta) Makes signal event pending

(PECL mqseries >= 0.10.0) MQSeries MQCLOSE

(PECL gupnp >= 0.1.0) Send action to the service and get value

(PECL mqseries >= 0.10.0) MQSeries MQSET void

(PHP 5, PHP 7) Wait for activity on any curl_multi connection

(PHP 4, PHP 5 <= 5.0.5) Returns the next key-value pair in the named map

(PECL varnish >= 1.0.0) Disconnect from a varnish instance administration interface

(PHP 4, PHP 5 < 5.2.0, PECL hwapi SVN) Returns the object an anchor belongs to

(PECL memcache >= 0.2.0) Replace value of the existing item

(PHP 4 >= 4.0.6, PHP 5 <= 5.0.5) Returns the error string associated with the given error code