3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1]; $b = [0,1]; print_r(array_merge($a, $b));

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)
8.3.60.0080.01118.43
8.3.50.0170.01422.10
8.3.40.0150.00018.55
8.3.30.0100.00318.92
8.3.20.0050.00220.38
8.3.10.0080.00023.70
8.3.00.0080.00019.25
8.2.180.0000.01916.32
8.2.170.0100.00322.96
8.2.160.0040.01120.45
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00422.11
8.2.110.0030.00622.08
8.2.100.0090.00317.63
8.2.90.0040.00419.27
8.2.80.0000.00817.97
8.2.70.0040.00417.25
8.2.60.0030.00617.91
8.2.50.0050.00318.07
8.2.40.0090.00017.91
8.2.30.0040.00417.97
8.2.20.0040.00417.54
8.2.10.0030.00317.93
8.2.00.0040.00417.57
8.1.280.0100.00725.92
8.1.270.0070.00723.85
8.1.260.0040.00426.35
8.1.250.0030.00728.09
8.1.240.0090.00023.84
8.1.230.0000.01119.05
8.1.220.0000.00917.74
8.1.210.0050.00218.77
8.1.200.0070.00317.23
8.1.190.0000.00817.00
8.1.180.0050.00218.10
8.1.170.0060.00320.36
8.1.160.0030.00621.89
8.1.150.0000.00718.71
8.1.140.0040.00417.31
8.1.130.0000.00717.82
8.1.120.0000.00717.41
8.1.110.0050.00217.27
8.1.100.0030.00417.25
8.1.90.0040.00417.33
8.1.80.0050.00217.27
8.1.70.0000.00717.38
8.1.60.0000.00817.56
8.1.50.0050.00317.43
8.1.40.0000.00717.39
8.1.30.0060.00317.55
8.1.20.0040.00417.40
8.1.10.0040.00417.39
8.1.00.0000.00817.20
8.0.300.0000.00718.77
8.0.290.0060.00316.63
8.0.280.0000.00718.32
8.0.270.0000.00717.19
8.0.260.0000.00717.23
8.0.250.0030.00316.93
8.0.240.0000.00816.83
8.0.230.0000.00716.86
8.0.220.0050.00216.86
8.0.210.0000.00916.84
8.0.200.0080.00016.77
8.0.190.0050.00216.88
8.0.180.0000.00816.77
8.0.170.0040.00416.89
8.0.160.0030.00316.82
8.0.150.0050.00516.80
8.0.140.0000.00716.66
8.0.130.0000.00613.21
8.0.120.0030.00616.61
8.0.110.0040.00416.79
8.0.100.0040.00416.61
8.0.90.0070.00316.84
8.0.80.0070.00716.79
8.0.70.0000.00716.75
8.0.60.0040.00416.75
8.0.50.0070.00016.76
8.0.30.0090.01017.10
8.0.20.0100.01117.40
8.0.10.0080.00016.72
8.0.00.0110.01116.64
7.4.330.0000.00515.03
7.4.320.0070.00016.58
7.4.300.0040.00416.61
7.4.290.0040.00416.47
7.4.280.0000.01016.42
7.4.270.0030.00316.38
7.4.260.0030.00316.29
7.4.250.0070.00016.53
7.4.240.0030.00316.48
7.4.230.0000.00716.24
7.4.220.0090.00916.55
7.4.210.0040.01116.59
7.4.200.0060.00316.50
7.4.160.0080.00816.40
7.4.150.0130.00317.40
7.4.140.0140.00517.86
7.4.130.0070.01316.38
7.4.120.0120.00516.44
7.4.110.0170.00016.23
7.4.100.0170.00316.25
7.4.90.0130.00316.43
7.4.80.0070.01019.39
7.4.70.0160.00516.29
7.4.60.0100.01016.25
7.4.50.0000.00816.39
7.4.40.0100.01016.27
7.4.30.0100.00716.39
7.4.00.0030.01214.64
7.3.330.0050.00012.98
7.3.320.0030.00312.97
7.3.310.0000.00715.96
7.3.300.0060.00016.14
7.3.290.0070.00816.13
7.3.280.0100.00516.13
7.3.270.0090.00917.40
7.3.260.0120.00616.16
7.3.250.0100.00916.19
7.3.240.0030.01616.43
7.3.230.0090.00916.45
7.3.210.0230.02616.12
7.3.200.0040.01219.39
7.3.190.0130.00316.38
7.3.180.0090.00616.30
7.3.170.0120.00916.34
7.3.160.0000.01616.14
7.3.10.0210.00016.23
7.3.00.0140.00316.27
7.2.330.0080.00816.50
7.2.320.0140.00816.46
7.2.310.0130.00916.61
7.2.300.0060.01216.16
7.2.290.0170.00016.50
7.2.130.0080.00816.30
7.2.120.0080.01516.20
7.2.110.0170.00416.59
7.2.100.0180.00716.82
7.2.90.0100.01216.33
7.2.80.0070.01116.42
7.2.70.0100.00616.62
7.2.60.0150.00816.63
7.2.50.0060.00616.56
7.2.40.0140.00816.66
7.2.30.0150.00416.33
7.2.20.0090.00616.37
7.2.10.0200.00016.00
7.2.00.0020.01417.67
7.1.250.0170.00215.63
7.1.200.0000.01015.84
7.1.100.0000.01117.88
7.1.70.0030.00717.25
7.1.60.0070.01819.32
7.1.50.0130.01016.91
7.1.00.0000.08022.33
7.0.200.0000.00916.34
7.0.140.0070.07022.07
7.0.60.0070.04719.82
7.0.50.0100.07717.96
7.0.40.0070.04020.05
7.0.30.0300.06320.26
7.0.20.0200.05020.23
7.0.10.0000.06320.16
7.0.00.0030.04320.07
5.6.280.0070.07020.92
5.6.210.0030.04320.50
5.6.200.0230.06718.28
5.6.190.0070.08320.39
5.6.180.0270.07720.61
5.6.170.0230.05020.45
5.6.160.0030.04020.55
5.6.150.0100.08018.21
5.6.140.0030.08018.28
5.6.130.0100.04318.25
5.6.120.0000.08321.03
5.6.110.0130.07021.13
5.6.100.0170.06320.97
5.6.90.0100.03721.07
5.6.80.0100.07020.53
5.6.70.4370.03020.53
5.5.350.0370.07020.40
5.5.340.0000.04317.96
5.5.330.0030.04020.47
5.5.320.0370.07020.41
5.5.310.0370.04020.35
5.5.300.0070.04717.96
5.5.290.0070.08318.05
5.5.280.0100.07020.64
5.5.270.0230.05320.67
5.5.260.0100.08020.72
5.5.250.0070.04020.61
5.5.240.0130.03320.25
5.4.450.0870.06019.48
5.4.440.0700.05719.38
5.4.430.0700.04719.16
5.4.420.0670.05319.33
5.4.410.0770.05019.59
5.4.400.0900.05019.15
5.4.390.0630.06018.98
5.4.380.0730.08319.26
5.4.370.0570.04719.25
5.4.360.0730.05319.12
5.4.350.0770.05718.86
5.4.340.0060.04112.00
5.4.320.0070.03512.48
5.4.310.0040.05312.48
5.4.300.0040.03912.48
5.4.290.0110.03712.47
5.4.280.0100.04712.38
5.4.270.0080.03712.38
5.4.260.0060.03812.37
5.4.250.0080.04012.37
5.4.240.0060.03412.37
5.4.230.0040.04212.36
5.4.220.0080.03912.36
5.4.210.0050.03712.37
5.4.200.0070.04012.36
5.4.190.0050.03612.36
5.4.180.0070.04112.36
5.4.170.0050.03612.37
5.4.160.0050.03712.37
5.4.150.0050.03512.37
5.4.140.0100.03612.05
5.4.130.0040.03612.04
5.4.120.0070.03412.00
5.4.110.0040.03611.99
5.4.100.0040.03611.99
5.4.90.0060.04311.99
5.4.80.0080.03311.99
5.4.70.0060.03311.98
5.4.60.0050.03411.98
5.4.50.0060.03411.98
5.4.40.0070.04311.98
5.4.30.0050.04311.97
5.4.20.0040.03611.98
5.4.10.0090.03911.97
5.4.00.0040.03611.47
5.3.290.0070.03712.80
5.3.280.0060.03912.71
5.3.270.0060.03812.72
5.3.260.0060.04912.71
5.3.250.0040.04212.72
5.3.240.0070.04412.72
5.3.230.0070.04212.71
5.3.220.0060.05112.68
5.3.210.0070.04512.68
5.3.200.0070.03412.68
5.3.190.0030.03912.68
5.3.180.0050.03512.67
5.3.170.0080.03812.66
5.3.160.0060.03612.67
5.3.150.0060.03812.68
5.3.140.0060.03512.66
5.3.130.0050.04012.66
5.3.120.0070.03712.66
5.3.110.0040.03912.65
5.3.100.0060.03612.12
5.3.90.0070.05112.08
5.3.80.0030.03812.07
5.3.70.0030.03712.08
5.3.60.0040.03712.07
5.3.50.0050.03612.00
5.3.40.0050.03612.00
5.3.30.0050.03711.95
5.3.20.0070.03411.73
5.3.10.0080.03111.70
5.3.00.0070.03411.68
5.2.170.0040.0309.18
5.2.160.0060.0299.18
5.2.150.0060.0319.18
5.2.140.0080.0269.18
5.2.130.0030.0309.14
5.2.120.0060.0309.14
5.2.110.0070.0269.15
5.2.100.0060.0269.14
5.2.90.0020.0319.14
5.2.80.0070.0269.14
5.2.70.0030.0309.14
5.2.60.0080.0279.09
5.2.50.0030.0309.05
5.2.40.0020.0309.03
5.2.30.0030.0309.02
5.2.20.0090.0239.00
5.2.10.0050.0268.93
5.2.00.0030.0298.78
5.1.60.0020.0258.07
5.1.50.0040.0258.06
5.1.40.0030.0258.04
5.1.30.0070.0298.40
5.1.20.0060.0238.41
5.1.10.0060.0238.14
5.1.00.0020.0268.14
5.0.50.0010.0236.62
5.0.40.0060.0166.48
5.0.30.0050.0296.29
5.0.20.0060.0226.26
5.0.10.0030.0286.24
5.0.00.0040.0286.23
4.4.90.0020.0264.78
4.4.80.0030.0154.75
4.4.70.0030.0154.76
4.4.60.0010.0174.75
4.4.50.0020.0164.77
4.4.40.0020.0254.71
4.4.30.0030.0264.76
4.4.20.0020.0214.84
4.4.10.0020.0164.85
4.4.00.0030.0324.76
4.3.110.0040.0204.67
4.3.100.0060.0224.66
4.3.90.0020.0154.64
4.3.80.0050.0224.59
4.3.70.0040.0134.63
4.3.60.0020.0154.63
4.3.50.0030.0154.63
4.3.40.0020.0244.54
4.3.30.0020.0163.29
4.3.20.0010.0163.26
4.3.10.0030.0143.21
4.3.00.0130.0236.79

preferences:
54.36 ms | 401 KiB | 5 Q