(PHP 4 >= 4.3.0, PHP 5, PHP 7) Opens an Secure SSL-FTP connection

(PECL gupnp >= 0.2.0) Send action with multiple parameters synchronously

(PECL rrd >= 0.9.0) Update the RRD database file

(PECL event >= 1.2.6-beta) Returns underlying input buffer associated with current buffer event

(PECL sam >= 1.1.0) Turn on or off additional debugging output.

(PECL event >= 1.4.0-beta) Sets maximum HTTP header size

(PECL svn >= 0.4.0) Delete items from a working copy or repository.

(PECL event >= 1.2.6-beta) Disable events read, write, or both on a buffer event.

(PHP 4 >= 4.0.5, PECL yaz >= 0.9.0) Prepares for retrieval (Z39.50 present)

(PECL gearman >= 0.5.0) Add job servers public