(PECL mongo >=0.9.0 <1.6.0) Execute the query.

(PHP 4, PHP 5, PECL odbtp >= 1.1.1) Send MS SQL query

(PECL tokyo_tyrant >= 0.1.0) Returns the current element

(PHP 5, PHP 7) Initializes MySQLi and returns a resource for use with mysqli_real_connect()

(PHP 5 < 5.3.0) Enforce execution of a query on the master in a master/slave setup

(PHP 4, PHP 5, PHP 7) Returns the host name associated with the connection

(PECL CUBRID >= 8.3.1) Open a persistent connection to CUBRID server

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Get the size of a BLOB

(PHP 4, PHP 5, PHP 7) Get the length (precision) of a field

(PHP 5 >= 5.1.0, PHP 7, PECL pdo >= 0.2.0) Set the default fetch mode for this statement