PHP is_executable() Function

Check whether the specified filename is executable:

<?php
$file = "setup.exe";
if(is_executable($file)) {
echo ("$file is executable");
} else {
echo ("$file is not executable");
}
?>

The output of the code above could be:

setup.exe is executable

Definition and Usage

The is_executable() function checks whether the specified filename is executable.

Note: The result of this function is cached. Use clearstatcache() to clear the cache.

is_executable( file)

Parameter	Description
file	Required. Specifies the path to the file to check

Return Value:	TRUE if the file is executable, FALSE and an E_WARNING on failure
PHP Version:	4.0+