3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [1,2,3,4,5,6,7,8,9]; heapsort($arr); var_dump($arr); $arr = [9,8,7,6,5,4,3,2,1]; heapsort($arr); var_dump($arr); $arr = [0,1,2,3,4,5,6,7,8,9,10,11,12,13]; var_dump(big5($arr)); function big5($arr) { $heapsize = count($arr); for ($i = intval($heapsize - 2) / 2; $i >= 0; $i--) { heapify($arr, $i, $heapsize); } for ($i = 0; $i < 5; $i++) { heapify($arr, $i, $heapsize); } return $arr[4]; } function heapsort(&$arr) { $heapsize = count($arr); // build heap for ($i = intval(($heapsize - 2) / 2); $i >= 0; $i--) { heapify($arr, $i, $heapsize); } // heap sort for ($heapsize = $heapsize - 1; $heapsize > 0; $heapsize--) { swap($arr[0], $arr[$heapsize]); heapify($arr, 0, $heapsize); } } function heapify(&$arr, $i, $heapsize) { while (true) { $l = 2 * $i + 1; $r = 2 * $i + 2; $largest = $i; if ($l < $heapsize && $arr[$largest] < $arr[$l]) { $largest = $l; } if ($r < $heapsize && $arr[$largest] < $arr[$r]) { $largest = $r; } if ($largest == $i) { break; } swap($arr[$i], $arr[$largest]); $i = $largest; } } function heapify_recursively(&$arr, $i, $heapsize) { $l = 2 * $i + 1; $r = 2 * $i + 2; $largest = $i; if ($l < $heapsize && $arr[$largest] < $arr[$l]) { $largest = $l; } if ($r < $heapsize && $arr[$largest] < $arr[$r]) { $largest = $r; } if ($largest != $i) { swap($arr[$i], $arr[$largest]); heapify($arr, $largest, $heapsize); } } function swap(&$a, &$b) { list($a, $b) = [$b, $a]; }

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0080.00816.75
8.3.50.0140.00316.23
8.3.40.0080.00818.78
8.3.30.0110.00418.84
8.3.20.0050.00320.33
8.3.10.0090.00020.98
8.3.00.0080.00019.18
8.2.180.0040.01116.72
8.2.170.0110.00422.96
8.2.160.0110.00322.31
8.2.150.0090.01324.18
8.2.140.0030.00524.66
8.2.130.0000.00819.45
8.2.120.0080.00026.35
8.2.110.0100.00020.43
8.2.100.0110.00020.08
8.2.90.0040.00418.22
8.2.80.0000.01117.97
8.2.70.0060.00317.93
8.2.60.0090.00018.05
8.2.50.0030.00618.10
8.2.40.0060.00322.14
8.2.30.0040.00419.26
8.2.20.0040.00418.25
8.2.10.0030.00518.13
8.2.00.0040.00418.21
8.1.280.0070.01425.92
8.1.270.0050.00322.31
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0070.00321.06
8.1.230.0070.00422.68
8.1.220.0040.00417.80
8.1.210.0090.00018.77
8.1.200.0060.00317.34
8.1.190.0040.00417.48
8.1.180.0080.00018.10
8.1.170.0030.00718.84
8.1.160.0000.00718.99
8.1.150.0040.00418.87
8.1.140.0040.00419.64
8.1.130.0000.00718.87
8.1.120.0040.00417.50
8.1.110.0040.00417.50
8.1.100.0040.00417.48
8.1.90.0000.00717.48
8.1.80.0040.00417.57
8.1.70.0070.00017.41
8.1.60.0040.00417.59
8.1.50.0080.00017.54
8.1.40.0050.00517.49
8.1.30.0000.00917.57
8.1.20.0000.00817.68
8.1.10.0000.00717.63
8.1.00.0000.00917.53
8.0.300.0000.00719.85
8.0.290.0050.00516.75
8.0.280.0030.00318.42
8.0.270.0030.00317.36
8.0.260.0000.00719.04
8.0.250.0040.00417.09
8.0.240.0000.00717.07
8.0.230.0040.00416.97
8.0.220.0000.00817.04
8.0.210.0060.00317.00
8.0.200.0040.00416.96
8.0.190.0060.00317.07
8.0.180.0000.00717.00
8.0.170.0040.00317.10
8.0.160.0000.00716.91
8.0.150.0030.00616.91
8.0.140.0040.00417.04
8.0.130.0030.00313.45
8.0.120.0060.00316.97
8.0.110.0070.00016.93
8.0.100.0050.00316.90
8.0.90.0000.00816.81
8.0.80.0100.00717.04
8.0.70.0000.00817.00
8.0.60.0000.00716.95
8.0.50.0040.00416.84
8.0.30.0070.01117.29
8.0.20.0100.01017.40
8.0.10.0040.00416.95
8.0.00.0140.00616.81
7.4.330.0000.00515.55
7.4.320.0000.00616.59
7.4.300.0030.00316.67
7.4.290.0000.00816.68
7.4.280.0000.00716.69
7.4.270.0030.00416.61
7.4.260.0030.00316.45
7.4.250.0070.00016.67
7.4.240.0030.00516.53
7.4.230.0050.00316.67
7.4.220.0090.00916.75
7.4.210.0130.00316.68
7.4.200.0080.00016.71
7.4.160.0100.00916.45
7.4.150.0150.00417.40
7.4.140.0130.00817.86
7.4.130.0110.01416.45
7.4.120.0090.01116.65
7.4.110.0090.00916.60
7.4.100.0180.00916.46
7.4.90.0060.01516.57
7.4.80.0080.01019.39
7.4.70.0130.00416.64
7.4.60.0000.01616.38
7.4.50.0040.01416.52
7.4.40.0080.00816.76
7.4.30.0110.00816.45
7.4.00.0070.01015.20
7.3.330.0030.00313.32
7.3.320.0050.00013.23
7.3.310.0040.00416.44
7.3.300.0000.00716.34
7.3.290.0090.00916.42
7.3.280.0080.01116.45
7.3.270.0110.00717.40
7.3.260.0090.00816.52
7.3.250.0120.00716.41
7.3.240.0090.00816.64
7.3.230.0110.01116.45
7.3.210.0040.01316.56
7.3.200.0030.01316.49
7.3.190.0140.00316.27
7.3.180.0060.01616.39
7.3.170.0100.00616.67
7.3.160.0090.00816.68
7.2.330.0170.00316.72
7.2.320.0070.01016.63
7.2.310.0030.01316.82
7.2.300.0100.00716.77
7.2.290.0160.00816.86
7.2.60.0040.00817.00
7.1.200.0060.00315.89
7.1.70.0030.01017.34
7.1.60.0160.01034.95
7.1.50.0150.00934.91
7.1.40.0130.01334.37
7.1.30.0130.01334.55
7.1.20.0140.01134.55
7.1.10.0030.00916.53
7.1.00.0030.01016.73
7.0.200.0050.00516.61
7.0.190.0000.01116.73
7.0.180.0030.00916.22
7.0.170.0060.00616.21
7.0.160.0080.00416.51
7.0.150.0030.00916.51
7.0.140.0030.01016.41
7.0.130.0000.01416.69
7.0.120.0000.01216.45
7.0.110.0040.00816.10
7.0.100.0030.00916.09
7.0.90.0030.00916.37
7.0.80.0060.00616.55
7.0.70.0000.01216.37
7.0.60.0030.00915.92
7.0.50.0030.01016.43
7.0.40.0000.01316.43
7.0.30.0060.00616.64
7.0.20.0030.00916.45
7.0.10.0060.00616.54
7.0.00.0030.00916.46

preferences:
59.65 ms | 400 KiB | 5 Q