(PHP 4, PHP 5, PHP 7) Open a persistent database connection

(PECL mongo >= 1.0.8) Gets the hostname being used for this machine's ids

(PHP 5 >= 5.3.0, PHP 7) Returns the type of the nth column

(PHP 4, PHP 5, PHP 7) Gets the number of fields of a database

(PECL mongo >=0.9.4) Use snapshot mode for the query

(PHP 4, PHP 5, PECL odbtp >= 1.1.1) Fetch a result row as an associative array, a numeric array, or both

(PHP 5, PHP 7, PECL OCI8 >= 1.1.0) Assigns a value to the collection from another existing collection

(No version information available, might only be in Git) Prepares a query for execution

(PECL mongo >=1.0.1) Serializes a PHP variable into a BSON string

(PHP 4, PHP 5, PECL odbtp >= 1.1.1) Open persistent MS SQL connection