--TEST-- Test shuffle() function : error conditions --FILE-- 2); $extra_arg = 10; var_dump( shuffle($array_arg, $extra_arg) ); // printing the input array to check that it is not affected // by above shuffle() function calls echo "\n-- original input array --\n"; var_dump( $array_arg ); echo "Done"; ?> --EXPECTF-- *** Testing shuffle() : error conditions *** -- Testing shuffle() function with Zero arguments -- Warning: shuffle() expects exactly 1 parameter, 0 given in %s on line %d bool(false) -- Testing shuffle() function with more than expected no. of arguments -- Warning: shuffle() expects exactly 1 parameter, 2 given in %s on line %d bool(false) -- original input array -- array(2) { [0]=> int(1) ["two"]=> int(2) } Done