3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(array_merge(array(1,2), array(3,4)));

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)
8.3.40.0110.00418.77
8.3.30.0110.00418.78
8.3.20.0070.00020.16
8.3.10.0040.00423.48
8.3.00.0080.00019.38
8.2.170.0160.00422.96
8.2.160.0070.00720.35
8.2.150.0030.00624.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0000.00720.96
8.2.110.0060.00319.27
8.2.100.0080.00417.66
8.2.90.0050.00319.70
8.2.80.0000.00817.97
8.2.70.0080.00017.68
8.2.60.0040.00417.78
8.2.50.0090.00018.10
8.2.40.0050.00320.59
8.2.30.0050.00318.00
8.2.20.0040.00417.54
8.2.10.0060.00318.04
8.2.00.0040.00417.46
8.1.270.0080.00023.67
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00322.30
8.1.230.0070.00421.04
8.1.220.0090.00017.74
8.1.210.0060.00318.77
8.1.200.0080.00317.11
8.1.190.0080.00016.97
8.1.180.0030.00518.10
8.1.170.0060.00318.56
8.1.160.0000.00722.15
8.1.150.0000.00718.66
8.1.140.0000.00717.24
8.1.130.0070.00017.36
8.1.120.0070.00017.21
8.1.110.0040.00417.36
8.1.100.0070.00017.21
8.1.90.0050.00317.31
8.1.80.0050.00317.23
8.1.70.0000.00717.24
8.1.60.0060.00317.44
8.1.50.0000.00817.29
8.1.40.0030.00517.32
8.1.30.0040.00417.39
8.1.20.0040.00417.53
8.1.10.0000.00717.36
8.1.00.0000.00817.39
8.0.300.0030.00320.05
8.0.290.0000.00916.63
8.0.280.0030.00318.36
8.0.270.0000.00717.04
8.0.260.0030.00316.62
8.0.250.0000.00716.80
8.0.240.0070.00016.84
8.0.230.0030.00316.73
8.0.220.0040.00416.68
8.0.210.0030.00316.63
8.0.200.0030.00316.85
8.0.190.0000.00716.89
8.0.180.0060.00316.80
8.0.170.0030.00516.77
8.0.160.0000.00716.58
8.0.150.0030.00416.69
8.0.140.0000.00816.76
8.0.130.0000.01113.25
8.0.120.0070.00016.62
8.0.110.0030.00516.81
8.0.100.0040.00416.78
8.0.90.0000.00716.62
8.0.80.0090.01016.71
8.0.70.0020.00516.56
8.0.60.0040.00416.64
8.0.50.0000.00716.75
8.0.30.0120.01116.87
8.0.20.0090.01017.40
8.0.10.0040.00416.84
8.0.00.0110.00916.67
7.4.330.0060.00015.00
7.4.320.0000.00816.48
7.4.300.0000.00616.36
7.4.290.0040.00416.28
7.4.280.0000.00716.43
7.4.270.0070.00016.48
7.4.260.0030.00516.48
7.4.250.0080.00016.47
7.4.240.0020.00516.44
7.4.230.0050.00216.38
7.4.220.0140.00316.50
7.4.210.0050.00816.55
7.4.200.0000.00716.37
7.4.160.0090.00616.32
7.4.150.0090.01217.40
7.4.140.0120.00617.86
7.4.130.0080.01116.42
7.4.120.0060.01116.40
7.4.110.0130.00316.51
7.4.100.0110.00816.42
7.4.90.0070.01016.53
7.4.80.0080.00819.39
7.4.70.0030.01316.14
7.4.60.0060.01016.39
7.4.50.0050.00016.39
7.4.40.0130.01016.42
7.4.30.0060.00916.43
7.4.00.0090.00614.74
7.3.330.0060.00012.85
7.3.320.0000.00512.97
7.3.310.0030.00316.18
7.3.300.0000.00716.08
7.3.290.0070.00716.13
7.3.280.0100.00616.13
7.3.270.0090.00917.40
7.3.260.0100.01316.17
7.3.250.0120.00816.18
7.3.240.0160.00016.18
7.3.230.0120.00616.39
7.3.210.0030.01416.19
7.3.200.0050.01119.39
7.3.190.0130.00316.30
7.3.180.0000.01516.26
7.3.170.0120.00316.27
7.3.160.0060.00916.45
7.2.330.0080.00916.36
7.2.320.0030.01316.21
7.2.310.0000.02016.12
7.2.300.0140.00316.41
7.2.290.0100.00716.38
7.2.00.0040.00819.19
7.1.200.0060.00615.51
7.1.100.0110.00517.88
7.1.70.0100.01017.00
7.1.60.0130.00719.40
7.1.50.0090.01516.82
7.1.00.0070.07322.54
7.0.200.0050.00316.24
7.0.140.0070.07022.00
7.0.60.0030.04019.95
7.0.50.0100.07717.73
7.0.40.0100.03720.00
7.0.30.0370.05720.12
7.0.20.0300.07720.38
7.0.10.0100.06320.17
7.0.00.0000.08019.95
5.6.280.0030.06321.07
5.6.210.0130.07320.69
5.6.200.0100.07718.15
5.6.190.0100.04320.45
5.6.180.0170.05320.61
5.6.170.0230.05320.40
5.6.160.0000.07020.37
5.6.150.0030.04018.13
5.6.140.0000.06018.17
5.6.130.0070.06018.12
5.6.120.0130.07721.14
5.6.110.0030.09321.00
5.6.100.0100.03720.99
5.6.90.0100.05321.07
5.6.80.0130.08020.37
5.5.350.0330.06320.37
5.5.340.0070.08017.96
5.5.330.0130.07320.28
5.5.320.0300.07020.27
5.5.310.0170.08020.24
5.5.300.0130.03717.95
5.5.290.0030.07717.98
5.5.280.0100.08720.95
5.5.270.0070.08320.79
5.5.260.0100.04720.96
5.5.250.0100.08720.77
5.5.240.0070.04020.11
5.4.450.0170.05319.48
5.4.440.0670.07019.63
5.4.430.0670.05719.31
5.4.420.0730.04719.27
5.4.410.0130.05018.88
5.4.400.0300.05318.69
5.4.390.0230.06718.52
5.4.380.0100.05018.61
5.4.370.0030.04318.69
5.4.360.0130.03718.74
5.4.350.0160.08911.97
5.4.340.0100.04311.97
5.4.320.0060.03612.45
5.4.310.0060.03712.45
5.4.300.0100.03112.45
5.4.290.0100.03412.45
5.4.280.0080.03212.34
5.4.270.0080.03312.35
5.4.260.0080.03512.34
5.4.250.0040.03912.35
5.4.240.0070.03412.35
5.4.230.0050.03812.34
5.4.220.0060.03512.34
5.4.210.0040.03612.34
5.4.200.0040.03912.34
5.4.190.0050.03612.33
5.4.180.0050.03612.33
5.4.170.0060.03812.35
5.4.160.0080.03712.34
5.4.150.0060.03512.34
5.4.140.0050.03712.02
5.4.130.0070.03512.01
5.4.120.0060.03511.97
5.4.110.0060.03511.96
5.4.100.0040.03611.96
5.4.90.0070.03611.96
5.4.80.0090.03411.96
5.4.70.0080.03211.96
5.4.60.0080.03311.96
5.4.50.0050.03611.96
5.4.40.0090.03511.95
5.4.30.0060.04611.95
5.4.20.0080.03711.95
5.4.10.0070.03411.95
5.4.00.0040.03711.43
5.3.290.0090.03512.80
5.3.280.0070.03812.71
5.3.270.0050.04112.72
5.3.260.0060.04012.72
5.3.250.0070.03712.72
5.3.240.0040.03912.72
5.3.230.0100.03312.71
5.3.220.0060.03512.68
5.3.210.0110.04012.68
5.3.200.0060.03712.68
5.3.190.0050.03812.68
5.3.180.0040.03912.68
5.3.170.0060.03712.67
5.3.160.0080.03412.67
5.3.150.0060.03612.68
5.3.140.0110.03112.66
5.3.130.0060.04112.66
5.3.120.0080.03712.66
5.3.110.0090.03512.66
5.3.100.0060.03512.12
5.3.90.0050.03712.09
5.3.80.0060.03612.07
5.3.70.0110.03112.08
5.3.60.0060.03812.06
5.3.50.0100.03312.00
5.3.40.0040.03912.00
5.3.30.0050.03511.94
5.3.20.0070.03411.72
5.3.10.0060.04611.68
5.3.00.0070.03511.67
5.2.170.0030.0329.18
5.2.160.0020.0319.17
5.2.150.0030.0329.18
5.2.140.0040.0319.17
5.2.130.0030.0309.14
5.2.120.0050.0319.14
5.2.110.0040.0309.14
5.2.100.0070.0269.14
5.2.90.0040.0299.14
5.2.80.0030.0419.13
5.2.70.0060.0339.14
5.2.60.0050.0309.09
5.2.50.0030.0329.05
5.2.40.0030.0319.03
5.2.30.0020.0339.01
5.2.20.0040.0299.00
5.2.10.0050.0278.91
5.2.00.0070.0268.77
5.1.60.0030.0258.06
5.1.50.0020.0278.06
5.1.40.0060.0238.04
5.1.30.0020.0288.39
5.1.20.0090.0218.41
5.1.10.0020.0288.13
5.1.00.0040.0268.13
5.0.50.0030.0216.62
5.0.40.0010.0226.47
5.0.30.0030.0316.29
5.0.20.0050.0176.25
5.0.10.0040.0196.23
5.0.00.0050.0296.22
4.4.90.0040.0144.78
4.4.80.0030.0174.75
4.4.70.0030.0224.76
4.4.60.0050.0184.75
4.4.50.0020.0164.77
4.4.40.0010.0284.71
4.4.30.0030.0144.75
4.4.20.0020.0164.85
4.4.10.0000.0184.85
4.4.00.0030.0244.76
4.3.110.0030.0154.67
4.3.100.0030.0144.66
4.3.90.0040.0134.63
4.3.80.0010.0264.58
4.3.70.0030.0144.63
4.3.60.0020.0144.63
4.3.50.0020.0164.63
4.3.40.0020.0244.54
4.3.30.0020.0163.28
4.3.20.0020.0163.26
4.3.10.0020.0153.21
4.3.00.0070.0177.10

preferences:
44.9 ms | 400 KiB | 5 Q