(PECL event >= 1.2.6-beta) Reserves space in buffer

(PECL kadm5 >= 0.2.3) Gets all policies from the Kerberos database

(PECL ev >= 0.2.0) Performs internal consistency checks(for debugging)

(PHP 5 >= 5.3.3, Bundled pdo_pgsql, PHP 7) Checks if inside a transaction

(PECL imagick 2.0.0) Returns an array representing the font metrics

(PECL gupnp >= 0.1.0) Check whether root device is available

(PECL imagick 2.2.1) Gets channel range array

(PECL solr >= 0.9.2) Returns the maximum number of query terms that will be included in any generated query

(PECL mongo >=0.9.0) Delete all indices for this collection

(PECL bcompiler >= 0.4) Reads and creates classes from a bcompiler exe file