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 ($i = intval($n - 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)
8.3.60.0030.01216.99
8.3.50.0130.00318.19
8.3.40.0160.00618.90
8.3.30.0060.00918.78
8.3.20.0000.00820.18
8.3.10.0050.00320.86
8.3.00.0000.00819.16
8.2.180.0150.00717.00
8.2.170.0070.00722.96
8.2.160.0080.00522.08
8.2.150.0090.01124.18
8.2.140.0000.00924.66
8.2.130.0000.00826.16
8.2.120.0000.00821.13
8.2.110.0060.00320.51
8.2.100.0040.00819.89
8.2.90.0050.00318.34
8.2.80.0080.00018.05
8.2.70.0030.00618.05
8.2.60.0000.00817.93
8.2.50.0090.00018.10
8.2.40.0060.00322.27
8.2.30.0000.00819.29
8.2.20.0040.00418.25
8.2.10.0040.00418.07
8.2.00.0040.00418.05
8.1.280.0110.00725.92
8.1.270.0040.00422.27
8.1.260.0050.00226.35
8.1.250.0150.00028.09
8.1.240.0060.00322.32
8.1.230.0090.00322.68
8.1.220.0080.00017.89
8.1.210.0080.00318.77
8.1.200.0060.00317.38
8.1.190.0030.00517.35
8.1.180.0000.00818.10
8.1.170.0040.00418.70
8.1.160.0020.00519.08
8.1.150.0000.00818.95
8.1.140.0070.00019.64
8.1.130.0040.00418.95
8.1.120.0040.00417.42
8.1.110.0000.00817.38
8.1.100.0000.00817.41
8.1.90.0000.00817.53
8.1.80.0030.00617.41
8.1.70.0030.00317.47
8.1.60.0030.00617.66
8.1.50.0000.00917.62
8.1.40.0040.00417.59
8.1.30.0000.00817.65
8.1.20.0040.00417.61
8.1.10.0040.00417.55
8.1.00.0030.00617.48
8.0.300.0000.00919.91
8.0.290.0040.00416.75
8.0.280.0000.00718.43
8.0.270.0070.00017.33
8.0.260.0030.00319.06
8.0.250.0080.00017.15
8.0.240.0030.00317.00
8.0.230.0040.00417.10
8.0.220.0030.00317.06
8.0.210.0040.00416.99
8.0.200.0040.00417.05
8.0.190.0040.00417.08
8.0.180.0030.00517.03
8.0.170.0070.00016.91
8.0.160.0050.00217.02
8.0.150.0000.00717.00
8.0.140.0040.00416.98
8.0.130.0000.00613.53
8.0.120.0000.00916.98
8.0.110.0040.00417.02
8.0.100.0000.00816.83
8.0.90.0000.00716.80
8.0.80.0140.01016.95
8.0.70.0000.00817.08
8.0.60.0040.00416.91
8.0.50.0000.00817.04
8.0.30.0090.00717.24
8.0.20.0100.00917.40
8.0.10.0030.00517.09
8.0.00.0060.01616.56
7.4.330.0020.00215.55
7.4.320.0030.00316.64
7.4.300.0000.00716.67
7.4.290.0030.00416.66
7.4.280.0000.00816.41
7.4.270.0060.00316.52
7.4.260.0020.00516.62
7.4.250.0000.00716.44
7.4.240.0000.00716.62
7.4.230.0040.00416.66
7.4.220.0090.00916.63
7.4.210.0130.00716.57
7.4.200.0040.00416.50
7.4.160.0080.01116.65
7.4.150.0120.00617.40
7.4.140.0100.01017.86
7.4.130.0140.01016.65
7.4.120.0110.00916.70
7.4.110.0100.00716.45
7.4.100.0070.01216.44
7.4.90.0140.00316.49
7.4.80.0110.00819.39
7.4.70.0060.01216.70
7.4.60.0060.01016.48
7.4.50.0090.00616.64
7.4.40.0060.01016.49
7.4.30.0130.01016.64
7.4.10.0120.00415.05
7.4.00.0070.01015.13
7.3.330.0030.00313.48
7.3.320.0060.00013.46
7.3.310.0040.00416.48
7.3.300.0030.00316.41
7.3.290.0100.00916.43
7.3.280.0070.01016.45
7.3.270.0140.00417.40
7.3.260.0090.01116.63
7.3.250.0090.00916.63
7.3.240.0070.01216.50
7.3.230.0060.02016.46
7.3.210.0080.00816.48
7.3.200.0070.01216.67
7.3.190.0160.00016.59
7.3.180.0110.00616.55
7.3.170.0140.00316.70
7.3.160.0140.00316.53
7.3.130.0060.01214.95
7.3.120.0040.00815.02
7.3.110.0060.00915.15
7.3.100.0000.01314.90
7.3.90.0100.00714.55
7.3.80.0040.00715.04
7.3.70.0030.00615.00
7.3.60.0100.01014.97
7.3.50.0030.01315.01
7.3.40.0000.01714.71
7.3.30.0070.00714.88
7.3.20.0120.00316.56
7.3.10.0080.00816.49
7.3.00.0060.00616.65
7.2.330.0130.00716.83
7.2.320.0090.00916.46
7.2.310.0170.00016.59
7.2.300.0130.00316.53
7.2.290.0130.01016.80
7.2.260.0040.01514.97
7.2.250.0130.00715.12
7.2.240.0030.01215.23
7.2.230.0040.00714.98
7.2.220.0070.00714.88
7.2.210.0000.01415.11
7.2.200.0060.00814.91
7.2.190.0100.01014.87
7.2.180.0040.01515.23
7.2.170.0100.00314.89
7.2.160.0100.00015.10
7.2.150.0030.00616.78
7.2.140.0030.01017.05
7.2.130.0070.00317.04
7.2.120.0080.00617.07
7.2.110.0030.01116.89
7.2.100.0070.00416.92
7.2.90.0050.00816.99
7.2.80.0080.00316.88
7.2.70.0040.01016.96
7.2.60.0060.00716.97
7.2.50.0100.00316.98
7.2.40.0060.01017.09
7.2.30.0060.00617.05
7.2.20.0090.00417.02
7.2.10.0090.00617.01
7.2.00.0030.00817.06
7.1.330.0040.01115.96
7.1.320.0030.01315.86
7.1.310.0000.01216.14
7.1.300.0090.00615.98
7.1.290.0060.00715.80
7.1.280.0110.00015.94
7.1.270.0070.00715.62
7.1.260.0090.00615.82
7.1.250.0010.00815.74
7.1.240.0010.01015.86
7.1.230.0060.00515.72
7.1.220.0060.00615.86
7.1.210.0070.00715.82
7.1.200.0040.00715.56
7.1.190.0030.00915.88
7.1.180.0050.00715.85
7.1.170.0050.00515.71
7.1.160.0040.00815.79
7.1.150.0050.00815.78
7.1.140.0070.00515.91
7.1.130.0060.00615.95
7.1.120.0060.00915.66
7.1.110.0060.00715.89
7.1.100.0060.00515.61
7.1.90.0040.00915.89
7.1.80.0080.00815.89
7.1.70.0040.01016.31
7.1.60.0100.00722.22
7.1.50.0090.00922.28
7.1.40.0060.00922.00
7.1.30.0080.01021.97
7.1.20.0070.01022.04
7.1.10.0040.01116.03
7.1.00.0020.00916.09
7.0.330.0060.00515.40
7.0.320.0030.00615.39
7.0.310.0040.00715.32
7.0.300.0050.00815.33
7.0.290.0100.00315.31
7.0.280.0070.00615.45
7.0.270.0080.00315.24
7.0.260.0050.00615.44
7.0.250.0060.00815.42
7.0.240.0080.00715.51
7.0.230.0080.00515.55
7.0.220.0080.00715.37
7.0.210.0050.00815.36
7.0.200.0050.00616.00
7.0.190.0070.00715.90
7.0.180.0040.00615.81
7.0.170.0070.00815.74
7.0.160.0050.00715.76
7.0.150.0080.00815.60
7.0.140.0060.00615.72
7.0.130.0030.01015.64
7.0.120.0050.00715.98
7.0.110.0080.00615.73
7.0.100.0050.00715.62
7.0.90.0070.00715.84
7.0.80.0050.00715.81
7.0.70.0050.00715.75
7.0.60.0060.00715.73
7.0.50.0050.00715.82
7.0.40.0040.00914.49
7.0.30.0050.00814.33
7.0.20.0030.01014.32
7.0.10.0050.00714.47
7.0.00.0050.00714.54
5.6.400.0030.01314.54
5.6.390.0060.00614.79
5.6.380.0060.00914.40
5.6.370.0000.01114.40
5.6.360.0000.01614.14
5.6.350.0000.00914.59
5.6.340.0100.00314.58
5.6.330.0040.00414.70
5.6.320.0060.00614.35
5.6.310.0060.00914.71
5.6.300.0080.00414.63
5.6.290.0120.00314.59
5.6.280.0080.00314.13
5.6.270.0100.00314.39
5.6.260.0060.00914.61
5.6.250.0060.00914.67
5.6.240.0000.01014.57
5.6.230.0060.00614.48
5.6.220.0090.00014.52
5.6.210.0100.00314.39
5.6.200.0060.00814.41
5.6.190.0030.01014.29
5.6.180.0070.00314.28
5.6.170.0040.01114.42
5.6.160.0060.00614.31
5.6.150.0000.01414.50
5.6.140.0060.01014.44
5.6.130.0070.00714.31
5.6.120.0000.01414.28
5.6.110.0060.00914.44
5.6.100.0030.01214.66
5.6.90.0130.00014.46
5.6.80.0090.00014.14
5.6.70.0060.00614.40
5.6.60.0030.00914.49
5.6.50.0110.00314.39
5.6.40.0070.00714.14
5.6.30.0070.00714.35
5.6.20.0090.00614.55
5.6.10.0090.00014.55
5.6.00.0060.00314.29

preferences:
46.93 ms | 400 KiB | 5 Q