--TEST-- Test array_diff() function : error conditions - too few arguments passed to function --FILE-- <?php /* Prototype : array array_diff(array $arr1, array $arr2 [, array ...]) * Description: Returns the entries of $arr1 that have values which are * not present in any of the others arguments. * Source code: ext/standard/array.c */ /* * Test array_diff with less than the expected number of arguments */ echo "*** Testing array_diff() : error conditions ***\n"; // Zero arguments echo "\n-- Testing array_diff() function with zero arguments --\n"; var_dump( array_diff() ); // Testing array_diff with one less than the expected number of arguments echo "\n-- Testing array_diff() function with less than expected no. of arguments --\n"; $arr1 = array(1, 2); var_dump( array_diff($arr1) ); echo "Done"; ?> --EXPECTF-- *** Testing array_diff() : error conditions *** -- Testing array_diff() function with zero arguments -- Warning: array_diff(): at least 2 parameters are required, 0 given in %s on line %d NULL -- Testing array_diff() function with less than expected no. of arguments -- Warning: array_diff(): at least 2 parameters are required, 1 given in %s on line %d NULL Done