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