--TEST-- Test array_intersect() function : error conditions --FILE-- <?php /* Prototype : array array_intersect(array $arr1, array $arr2 [, array $...]) * Description: Returns the entries of arr1 that have values which are present in all the other arguments * Source code: ext/standard/array.c */ echo "*** Testing array_intersect() : error conditions ***\n"; // Testing array_intersect() with zero arguments echo "\n-- Testing array_intersect() function with Zero arguments --\n"; var_dump( array_intersect() ); // Testing array_intersect() with one less than the expected number of arguments echo "\n-- Testing array_intersect() function with less than expected no. of arguments --\n"; $arr1 = array(1, 2); var_dump( array_intersect($arr1) ); echo "Done"; ?> --EXPECTF-- *** Testing array_intersect() : error conditions *** -- Testing array_intersect() function with Zero arguments -- Warning: array_intersect(): at least 2 parameters are required, 0 given in %s on line %d NULL -- Testing array_intersect() function with less than expected no. of arguments -- Warning: array_intersect(): at least 2 parameters are required, 1 given in %s on line %d NULL Done