1--TEST-- 2Test array_udiff() function : error conditions 3--FILE-- 4<?php 5/* Prototype : array array_udiff(array arr1, array arr2 [, array ...], callback data_comp_func) 6 * Description: Returns the entries of arr1 that have values which are not present in any of the others arguments. Elements are compared by user supplied function. 7 * Source code: ext/standard/array.c 8 * Alias to functions: 9 */ 10 11echo "*** Testing array_udiff() : error conditions ***\n"; 12 13$arr1 = array(1, 2); 14$arr2 = array(1, 2); 15include('compare_function.inc'); 16$data_comp_func = 'compare_function'; 17$extra_arg = 10; 18 19 20//Test array_udiff with one more than the expected number of arguments 21echo "\n-- Testing array_udiff() function with more than expected no. of arguments --\n"; 22var_dump( array_udiff($arr1, $arr2, $data_comp_func, $extra_arg) ); 23 24// Testing array_udiff with one less than the expected number of arguments 25echo "\n-- Testing array_udiff() function with less than expected no. of arguments --\n"; 26var_dump( array_udiff($arr1, $arr2) ); 27 28?> 29===DONE=== 30--EXPECTF-- 31*** Testing array_udiff() : error conditions *** 32 33-- Testing array_udiff() function with more than expected no. of arguments -- 34 35Warning: array_udiff() expects parameter 4 to be a valid callback, no array or string given in %sarray_udiff_error.php on line %d 36NULL 37 38-- Testing array_udiff() function with less than expected no. of arguments -- 39 40Warning: array_udiff(): at least 3 parameters are required, 2 given in %sarray_udiff_error.php on line %d 41NULL 42===DONE=== 43