Online PHP editor | perf for 3Y7O9

<?php $test_numbers = array(20,100,555,777,1111); foreach($test_numbers as $number){ $test_array = randomArray($number); $ins = insertionSort($test_array); $select = selectionSort($test_array); echo " Select Time " .$select['time']." Select Iterations: ".$select['iterations']. " Insert Time " .$ins['time']." Insert Iterations: ".$ins['iterations']."</br>"; } function insertionSort($sort_array){ $time_start = microtime(true); $iterations = 0; for ($i = 0; $i<count($sort_array)-1; $i++){ $j = $i+1; while ($j>0){ if ($sort_array[$j-1] > $sort_array[$j]){ $iterations++; $temp = $sort_array[$j-1]; $sort_array[$j - 1] = $sort_array[$j]; $sort_array[$j] = $temp; } $j--; } } $time_end = microtime(true); $time = $time_end - $time_start; $return = array("array" => $sort_array, "time" => number_format(($time),7, '.', ''), "iterations" => $iterations); return $return; } function selectionSort($sort_array) { $time_start = microtime(true); $iterations = 0; $count = count($sort_array); for ($i = 0; $i < $count - 1; $i++) { $min = $i; for ($j = $i + 1; $j < $count; $j++) { $iterations++; if ($sort_array[$j] < $sort_array[$min]) $min = $j; } $temp = $sort_array[$i]; $sort_array[$i] = $sort_array[$min]; $sort_array[$min] = $temp; } $time_end = microtime(true); $time = $time_end - $time_start; $return = array("array" => $sort_array, "time" => number_format(($time),7, '.', ''), "iterations" => $iterations); return $return; } function randomArray($max){ $random = range(0, $max-1); shuffle($random ); return $random; }

Version	System time (s)	User time (s)	Memory (MiB)
7.1.7	0.007	0.081	17.09
7.1.6	0.010	0.090	16.95
7.1.5	0.007	0.137	17.06
7.1.2	0.040	0.233	40.29
7.1.1	0.007	0.243	22.20
7.1.0	0.017	0.273	22.39
7.0.20	0.003	0.149	16.89
7.0.16	0.007	0.307	21.90
7.0.15	0.003	0.233	21.89
7.0.14	0.013	0.253	21.82
7.0.13	0.010	0.260	22.02
7.0.12	0.017	0.240	21.85
7.0.11	0.007	0.267	21.82
7.0.10	0.007	0.253	21.95
7.0.9	0.023	0.240	21.76
7.0.8	0.010	0.263	21.95
7.0.7	0.013	0.307	21.94
7.0.6	0.010	0.247	21.80
7.0.5	0.013	0.217	21.88
7.0.4	0.000	0.260	21.91
7.0.3	0.003	0.260	21.94
7.0.2	0.007	0.223	21.83
7.0.1	0.020	0.223	21.84
7.0.0	0.003	0.270	21.98