(PHP 5 >= 5.1.0, PHP 7) Gets the behavior flags.

(PHP >= 5.3.0, PECL phar >= 1.0.0) Returns whether phar extension supports writing and creating phars

(PECL tokyo_tyrant >= 0.1.0) Concatenates to a record

(PECL varnish >= 0.9.2) Set the class compat configuration param

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Send a Sybase query and do not block

(PECL ingres >= 1.1.0) Prepare a query for later execution

(PHP 4 >= 4.0.5, PECL vpopmail >= 0.2) Add a new virtual domain

(PHP 4, PHP 5, PHP 7) Draws an arc bool imagearc

(PECL maxdb >= 1.0) Get current field offset of a result pointer

(PHP 7) Check if code point has the Lowercase Unicode property