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.
例子 1. stream_get_wrappers() example
<?php
print_r(stream_get_wrappers());
?>
|
上例的输出类似于： Array
(
[0] => php
[1] => file
[2] => http
[3] => ftp
[4] => compress.bzip2
[5] => compress.zlib
) |
|
例子 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.';
}
?>
|
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See also
stream_wrapper_register().