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# 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().

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