--TEST-- Test function fstat() by substituting agument 1 with boolean values. --FILE-- true, 'lowercase false' =>false, 'uppercase TRUE' =>TRUE, 'uppercase FALSE' =>FALSE, ); foreach ( $variation_array as $var ) { var_dump(fstat( $var ) ); } ?> ===DONE=== --EXPECTF-- Warning: fstat() expects parameter 1 to be resource, boolean given in %s on line %d bool(false) Warning: fstat() expects parameter 1 to be resource, boolean given in %s on line %d bool(false) Warning: fstat() expects parameter 1 to be resource, boolean given in %s on line %d bool(false) Warning: fstat() expects parameter 1 to be resource, boolean given in %s on line %d bool(false) ===DONE===