(PECL maxdb >= 1.0) Fetch a result row as an associative, a numeric array, or both

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Returns the printed length

(PHP 4 >= 4.0.2, PHP 5, PHP 7) Fetch a result row as an object

(PECL mongo >=1.2.0) Get pool size for connection pools

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Create a CLOB

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Test if a field is SQL NULL

(PHP 4, PHP <=5.2.0) Execute a previously prepared SQL-statement

(PHP 5 < 5.4.0, PECL sqlite >= 1.0.0) Seek to the next row number

(PECL maxdb >= 1.0) Fetch meta-data for a single field

(PECL CUBRID >= 8.3.0) Get the facility code of error