(PHP 4, PHP 5, PHP 7)
is_executable — Tells whether the filename is executable
$filename
) : boolTells whether the filename is executable.
filenamePath to the file.
Returns TRUE if the filename exists and is executable, or FALSE on
error.
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';
}
?>
Upon failure, an E_WARNING is emitted.
Note: The results of this function are cached. See clearstatcache() for more details.
As of PHP 5.0.0, this function can also be used with some URL wrappers. Refer to Supported Protocols and Wrappers to determine which wrappers support stat() family of functionality.