# stream_get_wrappers

(PHP 5, PHP 7)

stream_get_wrappers — Retrieve list of registered streams

### Description

stream_get_wrappers ( void ) : array

Retrieve list of registered streams available on the running system.

### Return Values

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

### Examples

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() - Register a URL wrapper implemented as a PHP class