stream_get_wrappers

(PHP 5, PHP 7, PHP 8)

stream_get_wrappersRetrieve list of registered streams

Description

stream_get_wrappers(): array

Retrieve list of registered streams available on the running system.

Parameters

This function has no parameters.

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