(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.
版本 | 說明 |
---|---|
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: 本函式的結果會被存入緩衝區。詳情參見 clearstatcache()。
自 PHP 5.0.0 起本函式也可被某些 URL wrapper 使用。參考List of Supported Protocols/Wrappers 來看哪些 wrapper 支援 stat() 系列函式的功能。