--TEST-- Test array_merge_recursive() function : basic functionality - associative arrays --FILE-- "one", 2 => array(1, 2)); $arr2 = array(2 => 'three', "four" => array("hello", 'world')); $arr3 = array(1 => array(6, 7), 'four' => array("str1", 'str2')); // Calling array_merge_recursive() with default arguments echo "-- With default argument --\n"; var_dump( array_merge_recursive($arr1) ); // Calling array_merge_recursive() with more arguments echo "-- With more arguments --\n"; var_dump( array_merge_recursive($arr1,$arr2) ); var_dump( array_merge_recursive($arr1,$arr2,$arr3) ); echo "Done"; ?> --EXPECT-- *** Testing array_merge_recursive() : associative arrays *** -- With default argument -- array(2) { [0]=> string(3) "one" [1]=> array(2) { [0]=> int(1) [1]=> int(2) } } -- With more arguments -- array(4) { [0]=> string(3) "one" [1]=> array(2) { [0]=> int(1) [1]=> int(2) } [2]=> string(5) "three" ["four"]=> array(2) { [0]=> string(5) "hello" [1]=> string(5) "world" } } array(5) { [0]=> string(3) "one" [1]=> array(2) { [0]=> int(1) [1]=> int(2) } [2]=> string(5) "three" ["four"]=> array(4) { [0]=> string(5) "hello" [1]=> string(5) "world" [2]=> string(4) "str1" [3]=> string(4) "str2" } [3]=> array(2) { [0]=> int(6) [1]=> int(7) } } Done