stream_get_wrappers Retrieve list of registered streams


stream_get_wrappers

(PHP 5)

stream_get_wrappersRetrieve list of registered streams

说明

array stream_get_wrappers ( void )

Retrieve list of registered streams available on the running system.

返回值

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

范例

Example #1 stream_get_wrappers() example

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

以上例程的输出类似于:

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.';
}
?>

参见

  • stream_wrapper_register()

«  stream_get_transports
» stream_is_local
快速导航

Copyright © 2016 phpStudy | 皖ICP备18014864号-4