# 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';
}
?>`

### 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 List of Supported Protocols/Wrappers for a listing of which wrappers support stat() family of functionality.

### See Also

- is_file()
- is_link()