3v4l.org

run code in 300+ PHP versions simultaneously
<?php 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)
8.3.60.0160.00618.18
8.3.50.0100.00921.21
8.3.40.0040.01118.59
8.3.30.0110.00420.39
8.3.20.0070.00019.93
8.3.10.0070.00022.09
8.3.00.0060.00322.46
8.2.180.0180.00417.96
8.2.170.0070.00722.96
8.2.160.0100.00320.43
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0090.00926.16
8.2.120.0090.00317.68
8.2.110.0000.01021.12
8.2.100.0000.01117.66
8.2.90.0000.00817.48
8.2.80.0060.00317.97
8.2.70.0040.00417.80
8.2.60.0000.00817.67
8.2.50.0080.00018.10
8.2.40.0040.00420.63
8.2.30.0040.00417.81
8.2.20.0040.00417.53
8.2.10.0040.00417.58
8.2.00.0040.00417.56
8.1.270.0000.00824.66
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00322.32
8.1.230.0080.00421.10
8.1.220.0000.00717.74
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0000.00817.22
8.1.180.0040.00418.10
8.1.170.0060.00318.50
8.1.160.0070.00422.20
8.1.150.0040.00418.51
8.1.140.0040.00417.24
8.1.130.0000.00817.76
8.1.120.0000.00717.34
8.1.110.0060.00317.31
8.1.100.0080.00017.27
8.1.90.0030.00317.30
8.1.80.0000.00717.36
8.1.70.0030.00317.21
8.1.60.0060.00317.45
8.1.50.0040.00417.41
8.1.40.0000.00717.43
8.1.30.0060.00317.47
8.1.20.0040.00417.50
8.1.10.0050.00317.39
8.1.00.0000.00817.29
8.0.300.0040.00419.77
8.0.290.0040.00416.75
8.0.280.0070.00018.32
8.0.270.0050.00217.12
8.0.260.0080.00016.61
8.0.250.0030.00316.83
8.0.240.0000.00816.78
8.0.230.0000.00716.83
8.0.220.0000.00716.74
8.0.210.0000.00716.65
8.0.200.0040.00416.80
8.0.190.0040.00416.85
8.0.180.0000.00816.84
8.0.170.0040.00416.68
8.0.160.0030.00316.79
8.0.150.0030.00516.63
8.0.140.0000.00816.63
8.0.130.0000.00513.17
8.0.120.0080.00016.77
8.0.110.0000.00816.77
8.0.100.0070.00016.78
8.0.90.0000.00716.71
8.0.80.0030.01216.72
8.0.70.0040.00416.85
8.0.60.0000.00716.79
8.0.50.0000.00916.78
8.0.30.0100.00816.94
8.0.20.0130.00617.40
8.0.10.0000.00716.85
8.0.00.0110.00816.58
7.4.330.0000.00515.00
7.4.320.0080.00016.47
7.4.300.0030.00316.38
7.4.290.0030.00716.38
7.4.280.0000.00716.49
7.4.270.0030.00316.46
7.4.260.0000.00616.25
7.4.250.0070.00016.44
7.4.240.0070.00016.38
7.4.230.0000.00716.44
7.4.220.0090.00616.48
7.4.210.0090.00716.46
7.4.200.0040.00416.35
7.4.190.0000.00716.32
7.4.160.0060.00916.41
7.4.150.0140.00417.40
7.4.140.0080.01017.86
7.4.130.0100.00916.34
7.4.120.0070.01116.37
7.4.110.0200.00016.39
7.4.100.0100.01016.18
7.4.90.0120.00616.32
7.4.80.0160.00719.39
7.4.70.0100.00716.34
7.4.60.0170.00316.61
7.4.50.0000.00916.43
7.4.40.0030.01222.77
7.4.30.0090.00916.51
7.4.00.0030.00914.68
7.3.330.0020.00213.12
7.3.320.0050.00013.06
7.3.310.0030.00316.13
7.3.300.0000.00715.99
7.3.290.0030.01016.09
7.3.280.0090.00616.14
7.3.270.0110.00517.40
7.3.260.0140.00316.18
7.3.250.0100.01016.29
7.3.240.0110.00716.05
7.3.230.0130.00316.41
7.3.210.0100.00616.34
7.3.200.0060.01119.39
7.3.190.0120.01216.41
7.3.180.0160.00616.24
7.3.170.0130.00316.42
7.3.160.0070.01116.46
7.3.120.0030.00714.68
7.3.10.0000.00916.50
7.3.00.0070.00316.46
7.2.330.0100.01016.26
7.2.320.0030.01416.51
7.2.310.0070.01316.27
7.2.300.0100.01316.37
7.2.290.0100.00716.26
7.2.130.0120.00016.45
7.2.120.0030.00916.85
7.2.110.0120.00316.85
7.2.100.0080.00416.45
7.2.90.0070.00316.68
7.2.80.0090.00316.83
7.2.70.0000.01016.43
7.2.60.0030.00716.64
7.2.50.0030.01016.72
7.2.40.0030.00616.82
7.2.30.0040.00416.84
7.2.20.0030.00916.83
7.2.10.0050.00516.80
7.2.00.0050.00718.04
7.1.250.0060.00315.66
7.1.100.0090.00318.14
7.1.70.0000.00817.00
7.1.60.0100.01419.43
7.1.50.0070.01416.78
7.1.00.0030.03322.42
7.0.200.0100.00014.62
7.0.140.0070.07021.99
7.0.110.0470.08020.02
7.0.100.0530.05720.09
7.0.90.0430.04319.94
7.0.80.0100.08019.89
7.0.70.0070.06719.96
7.0.60.0100.07320.00
7.0.50.0200.07020.05
7.0.40.0070.07019.60
7.0.30.0000.06319.79
7.0.20.0130.06719.86
7.0.10.0070.04719.62
7.0.00.0070.08019.70
5.6.260.0070.05020.59
5.6.250.0070.06020.85
5.6.240.0100.07720.66
5.6.230.0070.07320.85
5.6.220.0070.08020.66
5.6.210.0070.04720.69
5.6.200.0100.07320.61
5.6.190.0030.05320.65
5.6.180.0000.09020.55
5.6.170.0170.07320.64
5.6.160.0000.05020.69
5.6.150.0170.06720.57
5.6.140.0100.08020.69
5.6.130.0070.07720.66
5.6.120.0100.08320.51
5.6.110.0000.05720.83
5.6.100.0100.08020.45
5.6.90.0030.04720.54
5.6.80.0070.04020.03
5.6.70.0030.08019.91
5.6.60.0070.07320.21
5.6.50.0100.06320.04
5.6.40.0030.04019.99
5.6.30.0030.07719.91
5.6.20.0030.04719.98
5.6.10.0170.06719.93
5.6.00.0100.08019.87
5.5.380.0100.07717.66
5.5.370.0100.06717.55
5.5.360.0030.05017.62
5.5.350.0000.05017.18
5.5.340.0130.04018.01
5.5.330.0130.05018.01
5.5.320.0130.07018.17
5.5.310.0030.05317.77
5.5.300.0030.08718.15
5.5.290.0070.04717.84
5.5.280.0070.06318.02
5.5.270.0130.07717.98
5.5.260.0030.08017.85
5.5.250.0030.07717.95
5.5.240.0070.07017.51
5.5.230.0030.08017.57
5.5.220.0000.05317.49
5.5.210.0070.06717.54
5.5.200.0070.03717.34
5.5.190.0130.06717.62
5.5.180.0100.07717.20
5.5.160.0130.07317.60
5.5.150.0100.07317.44
5.5.140.0170.06317.33
5.5.130.0170.04017.48
5.5.120.0100.05017.45
5.5.110.0030.04717.44
5.5.100.0000.08017.41
5.5.90.0100.05017.10
5.5.80.0100.07317.08
5.5.70.0070.04317.49
5.5.60.0200.03017.23
5.5.50.0070.04317.11
5.5.40.0130.03017.11
5.5.30.0070.07317.49
5.5.20.0100.06717.10
5.5.10.0070.07316.96
5.5.00.0030.06717.39
5.4.450.0070.08019.47
5.4.440.0070.08319.33
5.4.430.0070.06719.27
5.4.420.0030.05319.50
5.4.410.0100.04319.23
5.4.400.0030.08019.02
5.4.390.0000.08019.20
5.4.380.0100.07019.01
5.4.370.0100.07018.95
5.4.360.0070.07719.25
5.4.350.0070.06719.27
5.4.340.0070.04719.12
5.4.320.0000.06019.00
5.4.310.0130.08018.98
5.4.300.0070.08018.95
5.4.290.0170.06718.94
5.4.280.0030.04719.10
5.4.270.0000.08019.04
5.4.260.0070.06319.02
5.4.250.0070.07018.94
5.4.240.0170.06318.90
5.4.230.0100.04719.11
5.4.220.0000.05019.02
5.4.210.0000.07718.99
5.4.200.0030.06019.02
5.4.190.0100.04018.98
5.4.180.0000.03719.09
5.4.170.0130.06719.08
5.4.160.0100.07018.92
5.4.150.0030.08019.15
5.4.140.0030.05316.57
5.4.130.0070.06716.21
5.4.120.0070.08316.20
5.4.110.0070.07316.36
5.4.100.0070.06716.50
5.4.90.0030.07716.54
5.4.80.0070.05716.27
5.4.70.0030.07716.22
5.4.60.0070.07316.50
5.4.50.0100.06016.33
5.4.40.0030.05316.53
5.4.30.0070.04316.47
5.4.20.0130.06316.49
5.4.10.0030.06016.10
5.4.00.0030.07015.94
5.3.290.0070.04314.60
5.3.280.0100.07314.62
5.3.270.0070.05714.55
5.3.260.0070.04714.68
5.3.250.0200.06314.67
5.3.240.0070.05714.39
5.3.230.0030.04314.61
5.3.220.0230.02714.47
5.3.210.0030.07314.66
5.3.200.0070.06014.47
5.3.190.0100.07014.64
5.3.180.0100.07014.47
5.3.170.0070.05014.56
5.3.160.0070.07314.39
5.3.150.0070.07314.36
5.3.140.0000.05314.56
5.3.130.0030.07714.41
5.3.120.0100.04714.42
5.3.110.0070.04314.54
5.3.100.0100.07013.85
5.3.90.0070.05314.09
5.3.80.0030.07314.07
5.3.70.0030.08013.80
5.3.60.0130.06313.86
5.3.50.0030.07313.80
5.3.40.0030.06313.85
5.3.30.0070.03713.98
5.3.20.0100.06713.75
5.3.10.0030.07313.54
5.3.00.0030.07013.71
5.2.170.0030.06711.83
5.2.160.0100.05311.83
5.2.150.0070.06311.83
5.2.140.0070.06011.83
5.2.130.0030.05011.83
5.2.120.0100.03311.83
5.2.110.0000.03711.83
5.2.100.0070.05711.83
5.2.90.0030.06011.83
5.2.80.0070.05311.83
5.2.70.0100.02711.83
5.2.60.0000.06011.83
5.2.50.0070.05711.83
5.2.40.0030.03711.83
5.2.30.0030.06711.83
5.2.20.0030.06011.83
5.2.10.0030.05711.83
5.2.00.0030.06711.83
5.1.60.0030.02711.83
5.1.50.0000.02711.83
5.1.40.0000.05311.83
5.1.30.0070.03711.83
5.1.20.0100.05011.83
5.1.10.0000.03011.83
5.1.00.0030.05311.83
5.0.50.0030.03311.83
5.0.40.0030.01711.83
5.0.30.0070.04311.83
5.0.20.0000.04311.83
5.0.10.0000.02011.83
5.0.00.0000.02711.83
4.4.90.0000.02011.83
4.4.80.0000.02311.83
4.4.70.0000.03711.83
4.4.60.0100.03011.83
4.4.50.0100.03011.83
4.4.40.0000.02711.83
4.4.30.0000.02011.83
4.4.20.0030.03011.83
4.4.10.0070.02711.83
4.4.00.0000.03011.83
4.3.110.0000.01711.83
4.3.100.0000.01311.83
4.3.90.0000.01711.83
4.3.80.0000.02311.83
4.3.70.0030.03711.83
4.3.60.0000.02011.83
4.3.50.0030.01311.83
4.3.40.0000.02311.83
4.3.30.0000.03711.83
4.3.20.0030.03011.83
4.3.10.0030.02311.83
4.3.00.0070.02711.83

preferences:
55.3 ms | 400 KiB | 5 Q