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 |
Examples
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';
}
?>
Errors/Exceptions
Upon failure, an E_WARNING is emitted.
Notes
Note: The results of this function are cached. See clearstatcache() for more details.
Tip
As of PHP 5.0.0, this function can also be used with some URL wrappers. Refer to Supported Protocols and Wrappers for a listing of which wrappers support stat() family of functionality.