(PHP 4, PHP 5)
is_executable — Tells whether the filename is executable
Tells whether the filename is executable.
Path to the file.
Returns TRUE if the filename exists and is executable, or FALSE on error.
Version | Description |
---|---|
5.0.0 | is_executable() became available with Windows |
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';
}
?>
Note: 此函數的結果會被快取。詳細資訊請參考 clearstatcache()。
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.