--TEST-- Test strrev() function : error conditions --FILE-- --EXPECTF-- *** Testing strrev() : error conditions *** -- Testing strrev() function with Zero arguments -- Warning: strrev() expects exactly 1 parameter, 0 given in %s on line %d NULL -- Testing strrev() function with more than expected no. of arguments -- Warning: strrev() expects exactly 1 parameter, 2 given in %s on line %d NULL *** Done ***