is_executable
(PHP 4, PHP 5)
is_executable — Tells whether the filename is executable
Description
bool is_executable
( string $filename
)
Tells whether the filename is executable.
Parameters
- filename
-
Path to the file.
Return Values
Returns TRUE if the filename exists and is executable, or FALSE on error.
ChangeLog
| Version | Description |
|---|---|
| 5.0.0 | is_executable() became available with Windows |
Παραδείγματα
Example#1 is_executable() example
<?php
$file = '/home/vincent/somefile.sh';
if (is_executable($file)) {
echo $file.' is executable';
} else {
echo $file.' is not executable';
}
?>
Notes
Note: Τα αποτελέσματα αυτής της συνάρτησης έχουν γίνει cache. Δείτε την clearstatcache() για περισσότερες πληροφορίες.
Tip
As of PHP 5.0.0 this function can also be used with some URL wrappers. Refer to List of Supported Protocols/Wrappers for a listing of which wrappers support stat() family of functionality.