(PECL tokyo_tyrant >= 0.1.0) Returns the size of the value

(PHP 4, PHP 5, PHP 7, PECL OCI8 >= 1.0.0) Alias of

(PHP 5, PHP 7, PECL OCI8 >= 1.1.0) Appends data from the large object to another large object

(PHP 5 < 5.3.0) Check if RPL parse is enabled

(PHP 4, PHP 5, PHP 7) Retrieves information about data types supported by the data source

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

(PHP 4 >= 4.3.0, PHP 5, PHP 7) List all open database files

(PHP 4 <= 4.1.0, PECL dbplus >= 0.9) Add a tuple to a relation

(PECL mongo >=0.9.0) Returns the current result's filename

(PHP 5 >= 5.3.0, PHP 7) Returns the number of columns in the result set