stream_get_wrappers

(PHP 5)

stream_get_wrappers -- Retrieve list of registered streams

Description

array stream_get_wrappers ( void )

Returns an indexed array containing the name of all stream wrappers available on the running system.

Example 1. stream_get_wrappers() example

<?php
print_r
(stream_get_wrappers());
?>

The above example will output something similar to:

			Array
			(
				[0] => php
				[1] => file
				[2] => http
				[3] => ftp
				[4] => compress.bzip2
				[5] => compress.zlib
			)
			

Example 2. Checking for the existence of a stream wrapper

<?php
// check for the existence of the bzip2 stream wrapper
if (in_array('compress.bzip2', stream_get_wrappers())) {
    echo
'compress.bzip2:// support enabled.';
} else {
    echo
'compress.bzip2:// support not enabled.';
}
?>

See also stream_wrapper_register().