--TEST-- Test chop() function : error conditions --FILE-- --EXPECTF-- *** Testing chop() : error conditions *** -- Testing chop() function with Zero arguments -- Warning: chop() expects at least 1 parameter, 0 given in %s on line %d NULL -- Testing chop() function with more than expected no. of arguments -- Warning: chop() expects at most 2 parameters, 3 given in %s on line %d NULL string(11) "string_val " Done