--TEST-- Test sort() function : usage variations - sort diff. associative arrays, 'sort_flags' as defualt/SORT_REGULAR --FILE-- 55, 6 => 66, 2 => 22, 3 => 33, 1 => 11), array ("fruits" => array("a" => "orange", "b" => "banana", "c" => "apple"), "numbers" => array(1, 2, 3, 4, 5, 6), "holes" => array("first", 5 => "second", "third") ), array(1, 1, 8 => 1, 4 => 1, 19, 3 => 13), array('bar' => 'baz', "foo" => 1), array('a' => 1,'b' => array('e' => 2,'f' => 3),'c' => array('g' => 4),'d' => 5), ); $count = 1; echo "\n-- Testing sort() by supplying various arrays with key values --\n"; // loop through to test sort() with different arrays, // to test the new keys for the elements in the sorted array foreach ($various_arrays as $array) { echo "\n-- Iteration $count --\n"; echo "- With Defualt sort flag -\n"; $temp_array = $array; var_dump(sort($temp_array) ); var_dump($temp_array); echo "- Sort flag = SORT_REGULAR -\n"; $temp_array = $array; var_dump(sort($temp_array, SORT_REGULAR) ); var_dump($temp_array); $count++; } echo "Done\n"; ?> --EXPECT-- *** Testing sort() : usage variations *** -- Testing sort() by supplying various arrays with key values -- -- Iteration 1 -- - With Defualt sort flag - bool(true) array(5) { [0]=> int(11) [1]=> int(22) [2]=> int(33) [3]=> int(55) [4]=> int(66) } - Sort flag = SORT_REGULAR - bool(true) array(5) { [0]=> int(11) [1]=> int(22) [2]=> int(33) [3]=> int(55) [4]=> int(66) } -- Iteration 2 -- - With Defualt sort flag - bool(true) array(3) { [0]=> array(3) { [0]=> string(5) "first" [5]=> string(6) "second" [6]=> string(5) "third" } [1]=> array(3) { ["a"]=> string(6) "orange" ["b"]=> string(6) "banana" ["c"]=> string(5) "apple" } [2]=> array(6) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) [5]=> int(6) } } - Sort flag = SORT_REGULAR - bool(true) array(3) { [0]=> array(3) { [0]=> string(5) "first" [5]=> string(6) "second" [6]=> string(5) "third" } [1]=> array(3) { ["a"]=> string(6) "orange" ["b"]=> string(6) "banana" ["c"]=> string(5) "apple" } [2]=> array(6) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) [5]=> int(6) } } -- Iteration 3 -- - With Defualt sort flag - bool(true) array(6) { [0]=> int(1) [1]=> int(1) [2]=> int(1) [3]=> int(1) [4]=> int(13) [5]=> int(19) } - Sort flag = SORT_REGULAR - bool(true) array(6) { [0]=> int(1) [1]=> int(1) [2]=> int(1) [3]=> int(1) [4]=> int(13) [5]=> int(19) } -- Iteration 4 -- - With Defualt sort flag - bool(true) array(2) { [0]=> string(3) "baz" [1]=> int(1) } - Sort flag = SORT_REGULAR - bool(true) array(2) { [0]=> string(3) "baz" [1]=> int(1) } -- Iteration 5 -- - With Defualt sort flag - bool(true) array(4) { [0]=> int(1) [1]=> int(5) [2]=> array(1) { ["g"]=> int(4) } [3]=> array(2) { ["e"]=> int(2) ["f"]=> int(3) } } - Sort flag = SORT_REGULAR - bool(true) array(4) { [0]=> int(1) [1]=> int(5) [2]=> array(1) { ["g"]=> int(4) } [3]=> array(2) { ["e"]=> int(2) ["f"]=> int(3) } } Done