public function checkFileValidity($filename)
    {
        try {
            $phar = new \Phar($filename);
            // free the variable to unlock the file
            unset($phar);
        } catch (\Exception $e) {
            if (!$e instanceof \UnexpectedValueException && !$e instanceof \PharException) {
                throw $e;
            }

            return 'Failed to create Phar instance. '.$e->getMessage();
        }

        return null;
    }
public function checkFileValidity($filename)
    {
        try {
            $phar = new \Phar($filename);
            
            unset($phar);
        } catch (\Exception $e) {
            if (!$e instanceof \UnexpectedValueException && !$e instanceof \PharException) {
                throw $e;
            }

            return 'Failed to create Phar instance. '.$e->getMessage();
        }

        return null;
    }
public function checkFileValidity ( $ filename ) { try { $ phar = new \ Phar ( $ filename ) ; // free the variable to unlock the file unset ( $ phar ) ; } catch ( \ Exception $ e ) { if ( ! $ e instanceof \ UnexpectedValueException && ! $ e instanceof \ PharException ) { throw $ e ; } return 'Failed to create Phar instance. ' . $ e -> getMessage ( ) ; } return null ; }
{@inheritdoc}
{