--TEST-- Test rsort() function : usage variations - numeric values --SKIPIF-- --FILE-- SORT_REGULAR, "SORT_NUMERIC" => SORT_NUMERIC); $count = 1; // loop through to test rsort() with different arrays foreach ($various_arrays as $array) { echo "\n-- Iteration $count --\n"; echo "- With Default sort flag -\n"; $temp_array = $array; var_dump(rsort($temp_array) ); var_dump($temp_array); // loop through $flag_value array and setting all possible flag values foreach($flag_value as $key => $flag){ echo "- Sort flag = $key -\n"; $temp_array = $array; var_dump(rsort($temp_array, $flag) ); var_dump($temp_array); } $count++; } echo "Done"; ?> --EXPECT-- *** Testing rsort() : variation *** -- Iteration 1 -- - With Default sort flag - bool(true) array(9) { [0]=> int(41) [1]=> int(31) [2]=> int(21) [3]=> int(11) [4]=> int(0) [5]=> int(-11) [6]=> int(-21) [7]=> int(-31) [8]=> int(-41) } - Sort flag = SORT_REGULAR - bool(true) array(9) { [0]=> int(41) [1]=> int(31) [2]=> int(21) [3]=> int(11) [4]=> int(0) [5]=> int(-11) [6]=> int(-21) [7]=> int(-31) [8]=> int(-41) } - Sort flag = SORT_NUMERIC - bool(true) array(9) { [0]=> int(41) [1]=> int(31) [2]=> int(21) [3]=> int(11) [4]=> int(0) [5]=> int(-11) [6]=> int(-21) [7]=> int(-31) [8]=> int(-41) } -- Iteration 2 -- - With Default sort flag - bool(true) array(7) { [0]=> float(1050) [1]=> float(10.5) [2]=> float(0.5) [3]=> float(0.106) [4]=> float(0.01) [5]=> float(-0.1) [6]=> float(-10.5) } - Sort flag = SORT_REGULAR - bool(true) array(7) { [0]=> float(1050) [1]=> float(10.5) [2]=> float(0.5) [3]=> float(0.106) [4]=> float(0.01) [5]=> float(-0.1) [6]=> float(-10.5) } - Sort flag = SORT_NUMERIC - bool(true) array(7) { [0]=> float(1050) [1]=> float(10.5) [2]=> float(0.5) [3]=> float(0.106) [4]=> float(0.01) [5]=> float(-0.1) [6]=> float(-10.5) } -- Iteration 3 -- - With Default sort flag - bool(true) array(11) { [0]=> int(33) [1]=> int(2) [2]=> float(0.106) [3]=> float(0.09) [4]=> float(0.0021) [5]=> float(0.0001) [6]=> int(0) [7]=> float(-0.01) [8]=> float(-0.106) [9]=> float(-0.9) [10]=> int(-1) } - Sort flag = SORT_REGULAR - bool(true) array(11) { [0]=> int(33) [1]=> int(2) [2]=> float(0.106) [3]=> float(0.09) [4]=> float(0.0021) [5]=> float(0.0001) [6]=> int(0) [7]=> float(-0.01) [8]=> float(-0.106) [9]=> float(-0.9) [10]=> int(-1) } - Sort flag = SORT_NUMERIC - bool(true) array(11) { [0]=> int(33) [1]=> int(2) [2]=> float(0.106) [3]=> float(0.09) [4]=> float(0.0021) [5]=> float(0.0001) [6]=> int(0) [7]=> float(-0.01) [8]=> float(-0.106) [9]=> float(-0.9) [10]=> int(-1) } -- Iteration 4 -- - With Default sort flag - bool(true) array(7) { [0]=> float(2147483648) [1]=> int(2147483647) [2]=> int(0) [3]=> int(0) [4]=> int(-2147483647) [5]=> float(-2147483648) [6]=> float(-2147483649) } - Sort flag = SORT_REGULAR - bool(true) array(7) { [0]=> float(2147483648) [1]=> int(2147483647) [2]=> int(0) [3]=> int(0) [4]=> int(-2147483647) [5]=> float(-2147483648) [6]=> float(-2147483649) } - Sort flag = SORT_NUMERIC - bool(true) array(7) { [0]=> float(2147483648) [1]=> int(2147483647) [2]=> int(0) [3]=> int(0) [4]=> int(-2147483647) [5]=> float(-2147483648) [6]=> float(-2147483649) } Done