(No version information available, might only be in Git) Get an iterator

(PHP 5, PHP 7) Prepare an SQL statement for execution

(PHP 5 < 5.4.0, PECL sqlite >= 1.0.0) Escapes a string for use as a query parameter

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Export a large object to file

(PECL mongo >=1.3.0) Set the read preference for this collection

(PHP 4, PHP 5, PHP 7) Get number of fields in result

(PHP 5, PHP 7) Returns the version of the MySQL protocol used

(PECL maxdb >= 1.0) Returns a string representing the type of connection used

(PECL CUBRID >= 8.4.0) Sets the CUBRID database parameters

(PECL CUBRID >= 8.3.0) Get column types in result