(PHP 4, PHP 5, PHP 7) Finds whether a variable is a number or a numeric string

(PHP 5 <= 5.3.0, PECL ming SVN) Sets fill y-skew

(PHP 5 >= 5.2.2, PHP 7) Serializes the storage

(PHP 4, PHP 5, PHP 7) Get the options associated with the connection

(PECL paradox >= 1.0.0) Returns record of paradox database

(PECL mongo >=0.9.0) Queries this collection, returning a

(PHP 5 >= 5.4.0, PHP 7) Fetch SNMP object subtree

(PECL fann >= 1.0.0) Returns the bit fail limit used during training

(PHP 5 >= 5.1.0, PHP 7, PECL pdo >= 0.1.0) Set an attribute

(PHP 5 >= 5.5.0, PHP 7, PECL intl >= 3.0.0) Sets formatterʼs timezone