3v4l.org

run code in 300+ PHP versions simultaneously
<?php $list = array(8,4,1,9,5,7,3,2,6,0); function merge_sort($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))); $data = array(); var_dump($left); var_dump($right); for($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 $data; } var_dump(merge_sort($list)); //var_dump(array_slice($data, 0, 4));

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)
8.3.60.0140.00016.59
8.3.50.0160.00421.92
8.3.40.0090.01218.88
8.3.30.0040.01119.04
8.3.20.0080.00020.33
8.3.10.0040.00421.76
8.3.00.0040.00418.05
8.2.180.0120.00616.88
8.2.170.0070.00722.96
8.2.160.0070.00720.37
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0050.00320.90
8.2.110.0090.00022.08
8.2.100.0040.00717.97
8.2.90.0060.00319.17
8.2.80.0050.00317.97
8.2.70.0000.00817.63
8.2.60.0090.00018.05
8.2.50.0040.00418.07
8.2.40.0000.00818.16
8.2.30.0040.00718.38
8.2.20.0040.00417.63
8.2.10.0000.00718.12
8.2.00.0030.00619.52
8.1.280.0110.00725.92
8.1.270.0030.00723.83
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00023.88
8.1.230.0040.00819.15
8.1.220.0080.00017.74
8.1.210.0030.00618.77
8.1.200.0090.00017.35
8.1.190.0050.00317.35
8.1.180.0080.00018.10
8.1.170.0050.00318.53
8.1.160.0050.00221.98
8.1.150.0040.00418.76
8.1.140.0040.00417.41
8.1.130.0000.00717.77
8.1.120.0000.00717.48
8.1.110.0000.00717.34
8.1.100.0000.00717.45
8.1.90.0040.00317.50
8.1.80.0040.00417.52
8.1.70.0070.00017.35
8.1.60.0040.00417.58
8.1.50.0040.00417.53
8.1.40.0040.00417.51
8.1.30.0000.00817.58
8.1.20.0090.00017.65
8.1.10.0030.00517.50
8.1.00.0030.00617.46
8.0.300.0040.00418.77
8.0.290.0080.00316.63
8.0.280.0070.00018.34
8.0.270.0040.00417.39
8.0.260.0030.00317.25
8.0.250.0030.00316.95
8.0.240.0030.00516.83
8.0.230.0030.00317.00
8.0.220.0000.00716.95
8.0.210.0070.00016.92
8.0.200.0000.00816.92
8.0.190.0000.00816.87
8.0.180.0030.00516.83
8.0.170.0000.00816.90
8.0.160.0000.00716.88
8.0.150.0030.00416.89
8.0.140.0040.00416.85
8.0.130.0000.00513.30
8.0.120.0040.00416.85
8.0.110.0000.00716.84
8.0.100.0050.00216.88
8.0.90.0000.00717.01
8.0.80.0090.00616.77
8.0.70.0040.00416.82
8.0.60.0080.00016.96
8.0.50.0040.00416.73
8.0.30.0050.01516.88
8.0.20.0140.00517.40
8.0.10.0040.00416.85
8.0.00.0100.00816.85
7.4.330.0050.00015.14
7.4.320.0060.00016.63
7.4.300.0000.00616.63
7.4.290.0040.00416.45
7.4.280.0000.00716.60
7.4.270.0000.00716.63
7.4.260.0090.00016.45
7.4.250.0000.00716.57
7.4.240.0020.00516.58
7.4.230.0000.00816.58
7.4.220.0140.00416.59
7.4.210.0110.00316.71
7.4.200.0060.00316.70
7.4.160.0060.00916.61
7.4.150.0110.00717.40
7.4.140.0050.01417.86
7.4.130.0120.00516.53
7.4.120.0090.00816.61
7.4.110.0110.00716.44
7.4.100.0110.01216.41
7.4.90.0100.00716.38
7.4.80.0060.01319.39
7.4.70.0130.00316.52
7.4.60.0060.00916.29
7.4.50.0060.00016.73
7.4.40.0150.00016.44
7.4.30.0090.00816.41
7.4.00.0000.01514.87
7.3.330.0030.00313.23
7.3.320.0020.00213.18
7.3.310.0030.00316.35
7.3.300.0030.00316.38
7.3.290.0000.01416.29
7.3.280.0070.01016.37
7.3.270.0130.00617.40
7.3.260.0110.00716.69
7.3.250.0120.00916.37
7.3.240.0060.01316.63
7.3.230.0120.00616.42
7.3.210.0070.01116.55
7.3.200.0100.00619.39
7.3.190.0140.00416.29
7.3.180.0000.01716.68
7.3.170.0120.00516.39
7.3.160.0100.00616.54
7.3.120.0030.01415.05
7.3.10.0180.00016.57
7.3.00.0070.01016.71
7.2.330.0090.01016.61
7.2.320.0100.01016.76
7.2.310.0150.00616.48
7.2.300.0140.00616.87
7.2.290.0060.01316.50
7.2.130.0120.01216.80
7.2.120.0120.00916.73
7.2.110.0030.00816.98
7.2.100.0070.00516.74
7.2.90.0100.00716.95
7.2.80.0120.00816.86
7.2.70.0110.00716.82
7.2.60.0080.00916.86
7.2.50.0000.01716.83
7.2.40.0000.01417.08
7.2.30.0080.00816.44
7.2.20.0090.00616.83
7.2.10.0060.00916.93
7.2.00.0110.00718.25
7.1.250.0070.00715.70
7.1.200.0040.01115.64
7.1.100.0060.00618.40
7.1.70.0040.00417.01
7.1.60.0030.01619.70
7.1.50.0090.01617.02
7.1.00.0030.07722.33
7.0.200.0030.00516.52
7.0.140.0030.07722.07
7.0.60.0130.08319.89
7.0.50.0000.05717.97
7.0.40.0130.08020.24
7.0.30.0170.04320.06
7.0.20.0230.07020.30
7.0.10.0070.09020.25
7.0.00.0100.07720.16
5.6.280.0000.07720.79
5.6.210.0070.08020.58
5.6.200.0070.04718.17
5.6.190.0100.08020.52
5.6.180.0300.03720.57
5.6.170.0300.05020.42
5.6.160.0200.05720.55
5.6.150.0100.05018.23
5.6.140.0030.08318.17
5.6.130.0070.08018.15
5.6.120.0030.09720.98
5.6.110.0130.08021.12
5.6.100.0030.09320.99
5.6.90.0100.07721.13
5.6.80.0130.06720.52
5.5.350.0230.05720.42
5.5.340.0000.09017.98
5.5.330.0070.04320.42
5.5.320.0400.07020.30
5.5.310.0300.07720.30
5.5.300.0030.05318.04
5.5.290.0030.04018.07
5.5.280.0030.05720.77
5.5.270.0030.06320.84
5.5.260.0200.06720.90
5.5.250.0100.08020.79
5.5.240.0000.03320.27
5.4.450.0070.06719.27
5.4.440.0030.08019.39
5.4.430.0070.07319.56
5.4.420.0030.08019.47
5.4.410.0000.07319.39
5.4.400.0100.06719.07
5.4.390.0070.05719.22
5.4.380.0030.07019.14
5.4.370.0000.06718.99
5.4.360.0030.06018.98
5.4.350.0030.06318.87
5.4.340.0000.08319.18
5.4.320.0070.05718.98
5.4.310.0070.07719.20
5.4.300.0070.07718.89
5.4.290.0100.06318.85
5.4.280.0030.08018.94
5.4.270.0030.06319.19
5.4.260.0130.07019.24
5.4.250.0070.04719.30
5.4.240.0100.07318.86
5.4.230.0070.06318.97
5.4.220.0070.06018.98
5.4.210.0070.07719.27
5.4.200.0000.08319.07
5.4.190.0030.07319.21
5.4.180.0070.07019.12
5.4.170.0070.07318.97
5.4.160.0000.07719.04
5.4.150.0000.06319.04
5.4.140.0000.06016.30
5.4.130.0070.07316.35
5.4.120.0030.05016.55
5.4.110.0030.07016.51
5.4.100.0000.07316.38
5.4.90.0000.06316.29
5.4.80.0030.07316.27
5.4.70.0070.05716.58
5.4.60.0100.05716.54
5.4.50.0000.06016.42
5.4.40.0070.06716.24
5.4.30.0030.06716.43
5.4.20.0070.07316.52
5.4.10.0030.07016.42
5.4.00.0100.04715.96
5.3.290.0070.07314.75
5.3.280.0100.06014.77
5.3.270.0000.07714.62
5.3.260.0030.08014.78
5.3.250.0070.04714.54
5.3.240.0030.05714.54
5.3.230.0030.08314.63
5.3.220.0030.08314.55
5.3.210.0070.06314.63
5.3.200.0000.08014.62
5.3.190.0030.06314.70
5.3.180.0030.07014.80
5.3.170.0070.07714.57
5.3.160.0030.07014.65
5.3.150.0000.06014.43
5.3.140.0070.05714.48
5.3.130.0030.07714.48
5.3.120.0000.07014.53
5.3.110.0030.07314.61
5.3.100.0070.07314.06
5.3.90.0070.07314.15
5.3.80.0030.07014.25
5.3.70.0030.07014.04
5.3.60.0000.07314.04
5.3.50.0030.04313.88
5.3.40.0000.05713.88
5.3.30.0030.06714.00
5.3.20.0030.06013.63
5.3.10.0030.03713.67
5.3.00.0000.04313.63
5.2.170.0000.06712.35
5.2.160.0030.06312.35
5.2.150.0030.05712.35
5.2.140.0100.05712.35
5.2.130.0030.05312.35
5.2.120.0000.05712.35
5.2.110.0000.03712.35
5.2.100.0030.03312.35
5.2.90.0070.05712.35
5.2.80.0030.05312.35
5.2.70.0030.05712.35
5.2.60.0000.05312.35
5.2.50.0030.06312.35
5.2.40.0030.04712.35
5.2.30.0000.06712.35
5.2.20.0070.03712.35
5.2.10.0030.06012.35
5.2.00.0000.06312.35
5.1.60.0000.05012.35
5.1.50.0030.04712.35
5.1.40.0030.04712.35
5.1.30.0030.04712.35
5.1.20.0070.04012.35
5.1.10.0000.06012.35
5.1.00.0030.05012.35
5.0.50.0000.03712.35
5.0.40.0070.04012.35
5.0.30.0070.06312.35
5.0.20.0000.04312.35
5.0.10.0030.04012.35
5.0.00.0030.06312.35
4.4.90.0070.03012.35
4.4.80.0030.03312.35
4.4.70.0000.02312.35
4.4.60.0000.03712.35
4.4.50.0000.03312.35
4.4.40.0030.05312.35
4.4.30.0000.03012.35
4.4.20.0000.03012.35
4.4.10.0000.04012.35
4.4.00.0030.04312.35
4.3.110.0030.03712.35
4.3.100.0030.03312.35
4.3.90.0030.03312.35
4.3.80.0030.04712.35
4.3.70.0000.03712.35
4.3.60.0000.02712.35
4.3.50.0030.02312.35
4.3.40.0030.04712.35
4.3.30.0070.03312.35
4.3.20.0000.02712.35
4.3.10.0000.04012.35
4.3.00.0000.03312.35

preferences:
30.86 ms | 400 KiB | 5 Q