3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1,2,3]; $b = $a; var_dump(array_merge($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)
8.3.60.0140.00318.16
8.3.50.0090.00722.05
8.3.40.0100.00718.54
8.3.30.0070.00718.96
8.3.20.0080.00020.34
8.3.10.0050.00322.09
8.3.00.0050.00322.45
8.2.180.0080.00818.29
8.2.170.0070.00722.96
8.2.160.0100.00320.86
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0000.00926.16
8.2.120.0000.00819.23
8.2.110.0060.00322.04
8.2.100.0110.00017.66
8.2.90.0060.00319.09
8.2.80.0040.00417.97
8.2.70.0060.00317.38
8.2.60.0040.00418.03
8.2.50.0050.00318.07
8.2.40.0000.00718.09
8.2.30.0040.00418.02
8.2.20.0040.00417.53
8.2.10.0030.00519.37
8.2.00.0070.00017.61
8.1.280.0140.00725.92
8.1.270.0000.00822.07
8.1.260.0110.00726.35
8.1.250.0140.00328.09
8.1.240.0100.00023.92
8.1.230.0000.01019.04
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0070.00017.51
8.1.180.0060.00318.63
8.1.170.0030.00618.40
8.1.160.0050.00221.86
8.1.150.0070.00018.58
8.1.140.0000.00717.39
8.1.130.0000.00717.72
8.1.120.0070.00017.38
8.1.110.0030.00817.41
8.1.100.0030.00417.29
8.1.90.0000.00717.35
8.1.80.0040.00417.34
8.1.70.0030.00317.38
8.1.60.0100.00017.40
8.1.50.0080.00017.44
8.1.40.0000.00817.43
8.1.30.0040.00417.57
8.1.20.0030.00617.50
8.1.10.0040.00417.47
8.1.00.0040.00417.39
8.0.300.0000.00918.77
8.0.290.0030.00517.13
8.0.280.0070.00018.36
8.0.270.0000.00717.09
8.0.260.0030.00316.71
8.0.250.0030.00316.80
8.0.240.0000.00816.86
8.0.230.0040.00316.78
8.0.220.0070.00016.70
8.0.210.0070.00016.83
8.0.200.0030.00316.93
8.0.190.0080.00016.77
8.0.180.0000.00716.73
8.0.170.0050.00216.83
8.0.160.0000.00716.88
8.0.150.0060.00316.80
8.0.140.0040.00416.77
8.0.130.0030.00313.27
8.0.120.0050.00316.82
8.0.110.0000.00716.82
8.0.100.0000.00816.68
8.0.90.0040.00416.83
8.0.80.0060.00916.88
8.0.70.0030.00616.66
8.0.60.0000.00816.70
8.0.50.0080.00016.78
8.0.30.0100.00916.95
8.0.20.0050.01617.40
8.0.10.0000.00716.81
8.0.00.0070.01216.78
7.4.330.0000.00515.00
7.4.320.0030.00316.56
7.4.300.0000.00616.51
7.4.290.0030.00316.52
7.4.280.0030.00316.53
7.4.270.0040.00416.52
7.4.260.0040.00416.50
7.4.250.0000.00716.53
7.4.240.0020.00516.46
7.4.230.0030.00316.53
7.4.220.0130.00316.40
7.4.210.0070.00816.53
7.4.200.0050.00216.19
7.4.190.0030.00316.63
7.4.160.0140.00316.27
7.4.150.0140.00517.40
7.4.140.0130.00817.86
7.4.130.0110.00716.47
7.4.120.0080.01116.37
7.4.110.0120.00916.44
7.4.100.0090.00916.43
7.4.90.0140.00816.43
7.4.80.0110.00619.39
7.4.70.0040.01216.52
7.4.60.0030.01316.23
7.4.50.0030.00516.39
7.4.40.0070.01122.77
7.4.30.0060.01216.30
7.4.00.0030.01314.93
7.3.330.0050.00213.12
7.3.320.0070.00013.09
7.3.310.0030.00316.13
7.3.300.0040.00416.14
7.3.290.0040.01116.16
7.3.280.0090.00716.23
7.3.270.0120.00617.40
7.3.260.0140.00316.29
7.3.250.0100.01116.18
7.3.240.0080.00816.28
7.3.230.0100.00716.39
7.3.210.0140.00516.31
7.3.200.0070.01119.39
7.3.190.0120.00616.11
7.3.180.0070.01016.11
7.3.170.0090.01216.27
7.3.160.0150.00616.21
7.3.120.0070.01014.52
7.2.330.0100.01016.54
7.2.320.0120.00616.41
7.2.310.0090.00616.54
7.2.300.0060.01116.46
7.2.290.0190.00316.19
7.2.80.0060.01016.09
7.2.00.0030.01019.18
7.1.200.0070.00415.80
7.1.100.0100.00617.85
7.1.70.0050.00517.13
7.1.60.0120.01219.82
7.1.50.0000.01116.90
7.1.00.0030.07722.43
7.0.200.0060.00316.39
7.0.140.0030.07022.09
7.0.60.0030.04020.04
7.0.50.0100.06717.89
7.0.40.0070.08720.24
7.0.30.0270.07320.20
7.0.20.0330.07320.00
7.0.10.0370.05020.20
7.0.00.0130.06020.09
5.6.280.0000.09721.06
5.6.210.0070.08720.69
5.6.200.0030.08018.19
5.6.190.0100.08720.45
5.6.180.4070.03320.77
5.6.170.0300.08320.45
5.6.160.0100.05020.71
5.6.150.0070.06018.15
5.6.140.0030.04718.18
5.6.130.0100.06018.18
5.6.120.0170.07720.98
5.6.110.0070.08021.11
5.6.100.0070.08321.00
5.6.90.0100.07021.11
5.6.80.0070.07720.40
5.6.70.0300.07720.38
5.5.350.0100.08020.48
5.5.340.0070.04017.96
5.5.330.0100.03720.36
5.5.320.0270.04020.20
5.5.310.0230.04720.13
5.5.300.0030.04017.98
5.5.290.0130.05317.93
5.5.280.0070.06320.96
5.5.270.0100.08020.89
5.5.260.0030.07320.85
5.5.250.0100.06020.68
5.5.240.0030.07320.15
5.4.450.0200.06019.41
5.4.440.0330.06319.32
5.4.430.0100.05319.45
5.4.420.0130.05019.25
5.4.410.0100.05319.31
5.4.400.0970.00018.75
5.4.390.0930.00018.68
5.4.380.0200.06018.68
5.4.370.0370.05018.68
5.4.360.0370.05018.69
5.4.350.0430.04718.70
5.4.340.0300.05318.52
5.4.320.0070.03912.45
5.4.310.0100.04212.45
5.4.300.0070.04312.45
5.4.290.0080.04512.45
5.4.280.0070.03712.34
5.4.270.0060.03812.32
5.4.260.0050.04012.31
5.4.250.0060.04612.31
5.4.240.0090.03512.31
5.4.230.0090.04312.31
5.4.220.0080.04712.30
5.4.210.0050.04912.30
5.4.200.0070.05312.30
5.4.190.0060.04212.30
5.4.180.0040.04012.30
5.4.170.0050.03612.32
5.4.160.0080.03812.31
5.4.150.0100.03712.30
5.4.140.0060.04911.98
5.4.130.0090.04611.97
5.4.120.0080.04911.93
5.4.110.0060.05111.93
5.4.100.0070.04311.93
5.4.90.0040.04311.93
5.4.80.0100.04211.93
5.4.70.0070.04011.92
5.4.60.0070.03411.93
5.4.50.0100.03311.92
5.4.40.0060.03711.91
5.4.30.0040.03911.91
5.4.20.0060.03711.91
5.4.10.0050.03711.91
5.4.00.0080.03611.40
5.3.290.0100.03912.80
5.3.280.0050.04112.71
5.3.270.0050.04512.73
5.3.260.0040.04912.72
5.3.250.0070.04112.72
5.3.240.0130.04712.72
5.3.230.0090.04412.71
5.3.220.0070.03912.68
5.3.210.0110.04112.68
5.3.200.0240.11112.68
5.3.190.0060.05712.67
5.3.180.0100.04512.68
5.3.170.0080.05112.67
5.3.160.0150.08512.67
5.3.150.0110.04612.67
5.3.140.0130.07012.66
5.3.130.0110.04812.66
5.3.120.0070.04512.66
5.3.110.0090.04212.66
5.3.100.0060.03912.12
5.3.90.0070.03812.09
5.3.80.0090.03412.07
5.3.70.0070.03612.07
5.3.60.0030.04012.06
5.3.50.0070.03612.00
5.3.40.0070.03612.00
5.3.30.0080.03711.94
5.3.20.0080.03911.69
5.3.10.0050.03911.65
5.3.00.0100.03511.64
5.2.170.0050.0329.14
5.2.160.0040.0349.14
5.2.150.0040.0339.14
5.2.140.0090.0289.14
5.2.130.0040.0329.11
5.2.120.0050.0319.10
5.2.110.0100.0319.10
5.2.100.0070.0359.10
5.2.90.0050.0309.10
5.2.80.0050.0319.09
5.2.70.0070.0309.09
5.2.60.0040.0359.05
5.2.50.0050.0329.02
5.2.40.0040.0328.99
5.2.30.0040.0318.96
5.2.20.0060.0328.96
5.2.10.0070.0378.88
5.2.00.0070.0388.74
5.1.60.0060.0268.03
5.1.50.0060.0278.03
5.1.40.0090.0248.01
5.1.30.0040.0308.35
5.1.20.0040.0308.38
5.1.10.0070.0268.11
5.1.00.0080.0348.10
5.0.50.0110.0386.58
5.0.40.0060.0226.44
5.0.30.0070.0366.26
5.0.20.0040.0246.23
5.0.10.0050.0276.21
5.0.00.0050.0326.20
4.4.90.0070.0184.77
4.4.80.0050.0204.76
4.4.70.0050.0224.75
4.4.60.0050.0144.75
4.4.50.0050.0204.77
4.4.40.0020.0324.70
4.4.30.0030.0174.76
4.4.20.0060.0144.84
4.4.10.0040.0174.85
4.4.00.0050.0264.76
4.3.110.0060.0194.67
4.3.100.0050.0174.66
4.3.90.0030.0224.63
4.3.80.0070.0294.59
4.3.70.0030.0214.63
4.3.60.0040.0204.63
4.3.50.0050.0214.63
4.3.40.0060.0294.54
4.3.30.0030.0173.27
4.3.20.0020.0183.25
4.3.10.0010.0223.21
4.3.00.0030.0207.06

preferences:
38.77 ms | 400 KiB | 5 Q