3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = array(8,4,1,9,5,7,3,2,6,0); function merge_sort($list){ var_dump($list); if(count($list) <= 1) { return $list; } $middle = count($list)/2; $left = merge_sort(array_slice($list, 0, $middle)); $right = merge_sort(array_slice($list, $middle+1, count($list))); $data = array(); for($x = 0;$x < count($list); $x++){ if($x < count($left)){ $data[$x] = $left[$x]; } if($x >= count($left) && $x < count($right)){ $data[$x] = $right[$x]; } } return $data; } var_dump(merge_sort($data));

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)
8.3.60.0040.01116.88
8.3.50.0120.00722.12
8.3.40.0090.00918.77
8.3.30.0060.01019.21
8.3.20.0080.00020.20
8.3.10.0050.00321.91
8.3.00.0050.00317.93
8.2.180.0100.00718.54
8.2.170.0120.00922.96
8.2.160.0100.00320.38
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00721.09
8.2.110.0060.00322.25
8.2.100.0080.00417.69
8.2.90.0080.00017.75
8.2.80.0080.00018.86
8.2.70.0040.00417.63
8.2.60.0030.00617.63
8.2.50.0000.00917.50
8.2.40.0040.00419.35
8.2.30.0080.00418.34
8.2.20.0040.00417.80
8.2.10.0040.00418.11
8.2.00.0060.00319.42
8.1.280.0130.00325.92
8.1.270.0080.00023.86
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0030.00622.02
8.1.230.0000.01017.83
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.36
8.1.190.0090.00017.23
8.1.180.0040.00418.10
8.1.170.0040.00417.62
8.1.160.0000.00721.89
8.1.150.0000.00918.92
8.1.140.0000.00717.45
8.1.130.0030.00317.83
8.1.120.0030.00617.43
8.1.110.0000.00817.36
8.1.100.0050.00217.34
8.1.90.0000.00817.45
8.1.80.0040.00417.33
8.1.70.0000.00817.38
8.1.60.0060.00317.61
8.1.50.0050.00317.52
8.1.40.0000.00717.47
8.1.30.0000.00817.73
8.1.20.0000.00817.71
8.1.10.0060.00317.46
8.1.00.0040.00417.50
8.0.300.0040.00418.77
8.0.290.0040.00416.62
8.0.280.0070.00018.38
8.0.270.0040.00417.31
8.0.260.0060.00017.30
8.0.250.0040.00316.96
8.0.240.0000.00816.97
8.0.230.0000.00716.81
8.0.220.0000.00816.77
8.0.210.0000.00716.77
8.0.200.0000.00616.97
8.0.190.0000.00716.85
8.0.180.0020.00516.86
8.0.170.0000.00816.90
8.0.160.0040.00416.93
8.0.150.0000.00816.88
8.0.140.0000.00716.91
8.0.130.0030.00313.38
8.0.120.0040.00416.83
8.0.110.0040.00416.82
8.0.100.0070.00016.92
8.0.90.0070.00016.86
8.0.80.0100.00616.84
8.0.70.0050.00216.88
8.0.60.0040.00416.87
8.0.50.0030.00516.89
8.0.30.0140.00517.15
8.0.20.0090.00917.40
8.0.10.0030.00517.14
8.0.00.0080.01016.75
7.4.330.0050.00015.00
7.4.320.0030.00316.50
7.4.300.0030.00316.64
7.4.290.0000.00716.51
7.4.280.0030.00616.58
7.4.270.0030.00516.36
7.4.260.0000.00716.47
7.4.250.0050.00316.46
7.4.240.0050.00316.52
7.4.230.0050.00316.47
7.4.220.0100.01016.61
7.4.210.0030.01616.45
7.4.200.0060.00316.64
7.4.160.0030.01316.40
7.4.150.0070.01317.40
7.4.140.0100.00817.86
7.4.130.0100.00716.57
7.4.120.0080.01116.52
7.4.110.0120.00616.44
7.4.100.0120.00616.46
7.4.90.0170.00016.48
7.4.80.0060.01219.39
7.4.70.0050.01116.46
7.4.60.0060.01116.46
7.4.50.0030.00616.41
7.4.40.0100.00616.67
7.4.30.0000.01616.29
7.4.00.0030.01215.00
7.3.330.0000.00613.23
7.3.320.0020.00213.31
7.3.310.0070.00016.19
7.3.300.0060.00316.24
7.3.290.0070.00716.35
7.3.280.0120.00716.35
7.3.270.0100.00717.40
7.3.260.0080.01316.43
7.3.250.0110.01016.37
7.3.240.0070.01316.43
7.3.230.0100.00716.50
7.3.210.0110.00716.34
7.3.200.0100.00619.39
7.3.190.0130.01016.54
7.3.180.0070.01316.36
7.3.170.0120.00616.45
7.3.160.0100.01016.44
7.3.120.0030.01014.77
7.3.10.0110.00516.66
7.3.00.0100.00316.64
7.2.330.0100.01416.68
7.2.320.0170.00416.81
7.2.310.0090.00916.65
7.2.300.0070.01716.58
7.2.290.0150.00316.75
7.2.130.0070.00416.85
7.2.120.0130.00616.54
7.2.110.0120.01216.77
7.2.100.0150.00617.05
7.2.90.0130.01017.09
7.2.80.0030.01717.17
7.2.70.0100.01017.05
7.2.60.0130.00316.89
7.2.50.0090.00616.93
7.2.40.0070.00717.00
7.2.30.0090.00916.87
7.2.20.0110.00416.64
7.2.10.0130.00317.06
7.2.00.0050.01018.08
7.1.250.0100.00315.76
7.1.100.0030.00818.03
7.1.70.0000.00917.29
7.1.60.0090.01519.70
7.1.50.0070.01717.05
7.1.00.0000.08022.30
7.0.200.0040.00416.45
7.0.140.0070.07322.04
7.0.110.0170.08319.93
7.0.100.0100.04719.89
7.0.90.0230.04719.98
7.0.80.0130.06719.96
7.0.70.0100.07720.04
7.0.60.0100.07720.04
7.0.50.0130.07720.11
7.0.40.0070.07019.69
7.0.30.0100.08019.87
7.0.20.0100.03719.87
7.0.10.0070.04319.67
7.0.00.0030.04719.75
5.6.280.0100.06721.00
5.6.260.0070.07720.67
5.6.250.0130.08320.69
5.6.240.0170.07320.62
5.6.230.0070.08020.57
5.6.220.0070.04320.62
5.6.210.0070.08320.60
5.6.200.0070.05320.59
5.6.190.0130.07320.60
5.6.180.0130.07320.70
5.6.170.0070.04020.57
5.6.160.0100.06020.67
5.6.150.0070.04720.60
5.6.140.0030.04320.71
5.6.130.0000.04320.70
5.6.120.0000.04720.62
5.6.110.0130.06020.55
5.6.100.0030.04720.65
5.6.90.0130.07020.46
5.6.80.0070.04319.95
5.6.70.0100.05319.92
5.6.60.0000.04720.08
5.6.50.0000.03720.24
5.6.40.0000.04019.93
5.6.30.0000.04319.95
5.6.20.0030.04020.07
5.6.10.0100.03319.98
5.6.00.0000.04319.98
5.5.380.0030.08317.70
5.5.370.0170.07017.64
5.5.360.0030.08717.46
5.5.350.0030.06717.64
5.5.340.0070.07317.93
5.5.330.0100.08018.10
5.5.320.0100.07718.07
5.5.310.0030.04318.13
5.5.300.0000.04318.10
5.5.290.0030.04717.83
5.5.280.0100.04317.91
5.5.270.0070.04018.09
5.5.260.0030.04017.95
5.5.250.0000.04317.77
5.5.240.0000.04017.45
5.5.230.0030.03717.50
5.5.220.0000.04717.21
5.5.210.0070.06017.57
5.5.200.0000.04017.48
5.5.190.0130.03717.48
5.5.180.0070.03317.43
5.5.160.0000.05717.45
5.5.150.0070.03317.48
5.5.140.0070.03717.28
5.5.130.0030.03317.45
5.5.120.0000.03717.48
5.5.110.0000.04317.43
5.5.100.0100.03317.36
5.5.90.0000.04017.19
5.5.80.0030.03717.34
5.5.70.0070.04017.17
5.5.60.0030.04017.17
5.5.50.0070.03717.36
5.5.40.0030.04017.07
5.5.30.0130.02317.36
5.5.20.0030.04017.34
5.5.10.0000.04317.29
5.5.00.0070.04717.48
5.4.450.0030.04019.28
5.4.440.0000.05019.34
5.4.430.0000.04319.27
5.4.420.0000.04319.30
5.4.410.0070.03719.37
5.4.400.0030.03719.06
5.4.390.0030.04019.18
5.4.380.0070.03719.01
5.4.370.0030.04019.34
5.4.360.0030.03719.17
5.4.350.0070.04019.32
5.4.340.0100.03719.18
5.4.320.0100.02719.34
5.4.310.0000.04019.24
5.4.300.0100.05719.16
5.4.290.0030.04019.34
5.4.280.0100.05019.09
5.4.270.0100.06319.00
5.4.260.0030.03719.09
5.4.250.0100.03719.31
5.4.240.0000.04019.02
5.4.230.0070.03318.98
5.4.220.0070.03318.94
5.4.210.0030.03319.13
5.4.200.0030.03319.17
5.4.190.0030.06319.13
5.4.180.0130.03019.21
5.4.170.0000.04019.33
5.4.160.0030.04719.07
5.4.150.0070.07319.07
5.4.140.0000.03716.51
5.4.130.0100.07016.59
5.4.120.0070.07316.35
5.4.110.0100.07016.55
5.4.100.0070.05016.55
5.4.90.0070.06716.43
5.4.80.0070.07016.46
5.4.70.0130.05316.54
5.4.60.0070.07016.25
5.4.50.0070.07716.48
5.4.40.0130.06716.59
5.4.30.0030.07016.54
5.4.20.0100.05016.45
5.4.10.0070.07316.62
5.4.00.0070.06715.91
5.3.290.0030.05314.68
5.3.280.0030.03314.61
5.3.270.0030.03714.62
5.3.260.0100.07314.61
5.3.250.0030.03714.75
5.3.240.0100.04714.47
5.3.230.0030.08314.74
5.3.220.0030.06014.57
5.3.210.0130.07314.66
5.3.200.0030.07314.61
5.3.190.0100.04714.73
5.3.180.0030.07314.80
5.3.170.0100.06014.57
5.3.160.0100.06714.60
5.3.150.0070.06314.66
5.3.140.0070.07314.57
5.3.130.0100.07714.41
5.3.120.0070.06714.54
5.3.110.0170.06314.55
5.3.100.0100.06314.06
5.3.90.0070.07314.11
5.3.80.0100.05313.89
5.3.70.0070.07313.89
5.3.60.0100.06714.04
5.3.50.0070.07313.97
5.3.40.0070.06714.09
5.3.30.0030.07314.01
5.3.20.0030.07013.69
5.3.10.0030.06713.81
5.3.00.0000.06713.64
5.2.170.0030.03311.29
5.2.160.0030.06311.23
5.2.150.0030.05311.12
5.2.140.0030.03711.21
5.2.130.0100.06011.12
5.2.120.0030.05711.19
5.2.110.0000.03011.24
5.2.100.0000.03311.24
5.2.90.0030.05011.08
5.2.80.0070.06011.12
5.2.70.0100.05311.10
5.2.60.0070.05311.03
5.2.50.0100.05311.16
5.2.40.0100.06011.02
5.2.30.0030.06311.21
5.2.20.0070.05310.94
5.2.10.0030.02310.86
5.2.00.0030.02710.79
5.1.60.0000.05310.01
5.1.50.0030.0539.88
5.1.40.0030.0579.98
5.1.30.0000.06010.32
5.1.20.0000.03310.38
5.1.10.0130.0509.88
5.1.00.0070.03710.16
5.0.50.0030.0439.88
5.0.40.0100.0409.88
5.0.30.0030.0639.88
5.0.20.0000.0479.88
5.0.10.0030.0479.88
5.0.00.0000.0539.88
4.4.90.0030.0279.88
4.4.80.0030.0339.88
4.4.70.0030.0339.88
4.4.60.0000.0339.88
4.4.50.0000.0379.88
4.4.40.0030.0509.88
4.4.30.0000.0339.88
4.4.20.0030.0339.88
4.4.10.0030.0339.88
4.4.00.0070.0509.88
4.3.110.0030.0379.88
4.3.100.0070.0309.88
4.3.90.0070.0339.88
4.3.80.0000.0539.88
4.3.70.0100.0139.88
4.3.60.0030.0339.88
4.3.50.0000.0379.88
4.3.40.0030.0479.88
4.3.30.0030.0339.88
4.3.20.0030.0339.88
4.3.10.0000.0379.88
4.3.00.0000.0339.88

preferences:
49.76 ms | 400 KiB | 5 Q