3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1,2,3]; $b = [4,5,6]; var_dump(array_merge($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)
8.3.70.0030.01716.63
8.3.60.0140.00716.75
8.3.50.0100.01022.10
8.3.40.0130.00318.67
8.3.30.0070.00718.58
8.3.20.0000.00720.04
8.3.10.0080.00023.48
8.3.00.0000.00717.55
8.2.190.0070.00718.04
8.2.180.0120.00618.54
8.2.170.0110.00422.96
8.2.160.0070.00720.57
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0070.00026.16
8.2.120.0040.00417.50
8.2.110.0100.00022.31
8.2.100.0070.00417.93
8.2.90.0060.00319.05
8.2.80.0040.00417.97
8.2.70.0090.00017.50
8.2.60.0070.00317.80
8.2.50.0040.00418.07
8.2.40.0000.00821.19
8.2.30.0000.00820.65
8.2.20.0000.00717.73
8.2.10.0070.00018.04
8.2.00.0050.00217.92
8.1.280.0000.01425.92
8.1.270.0090.00923.91
8.1.260.0000.00826.35
8.1.250.0060.00328.09
8.1.240.0060.00322.51
8.1.230.0040.00717.63
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0040.00417.22
8.1.190.0060.00317.22
8.1.180.0060.00318.10
8.1.170.0080.00018.46
8.1.160.0070.00021.97
8.1.150.0000.00718.72
8.1.140.0000.00821.31
8.1.130.0000.00717.63
8.1.120.0000.00717.39
8.1.110.0030.00317.38
8.1.100.0030.00317.29
8.1.90.0000.00717.35
8.1.80.0000.00717.28
8.1.70.0000.00717.43
8.1.60.0030.00617.45
8.1.50.0040.00417.36
8.1.40.0000.00817.45
8.1.30.0000.00817.61
8.1.20.0040.00417.45
8.1.10.0000.00717.34
8.1.00.0050.00317.40
8.0.300.0040.00418.77
8.0.290.0000.00916.75
8.0.280.0070.00018.24
8.0.270.0060.00317.23
8.0.260.0060.00317.22
8.0.250.0070.00016.95
8.0.240.0000.00716.94
8.0.230.0070.00016.89
8.0.220.0040.00416.75
8.0.210.0000.00716.90
8.0.200.0050.00316.91
8.0.190.0000.00816.83
8.0.180.0030.00316.95
8.0.170.0050.00216.79
8.0.160.0030.00316.96
8.0.150.0000.00816.88
8.0.140.0030.00516.84
8.0.130.0030.00313.26
8.0.120.0040.00416.79
8.0.110.0040.00416.77
8.0.100.0040.00416.82
8.0.90.0070.00016.79
8.0.80.0110.00416.94
8.0.70.0040.00416.95
8.0.60.0000.00716.73
8.0.50.0080.00016.76
8.0.30.0140.00616.93
8.0.20.0090.01317.40
8.0.10.0040.00416.82
8.0.00.0100.00816.63
7.4.330.0020.00215.08
7.4.320.0000.00716.38
7.4.300.0030.00316.32
7.4.290.0000.00716.43
7.4.280.0000.00816.52
7.4.270.0000.00716.49
7.4.260.0030.00316.50
7.4.250.0000.00716.38
7.4.240.0060.00216.39
7.4.230.0000.00716.63
7.4.220.0110.00716.39
7.4.210.0060.00916.55
7.4.200.0050.00216.53
7.4.160.0120.00416.49
7.4.150.0130.00717.40
7.4.140.0160.00317.86
7.4.130.0120.00616.45
7.4.120.0050.01216.53
7.4.110.0130.00316.13
7.4.100.0180.00616.31
7.4.90.0000.01616.46
7.4.80.0030.01519.39
7.4.70.0100.00616.41
7.4.60.0060.01016.15
7.4.50.0000.00815.98
7.4.40.0090.00916.39
7.4.30.0090.00616.30
7.4.00.0030.01315.03
7.3.330.0000.00713.08
7.3.320.0000.00513.13
7.3.310.0000.00716.03
7.3.300.0000.00616.18
7.3.290.0090.01016.18
7.3.280.0060.01116.16
7.3.270.0140.00817.40
7.3.260.0130.00316.28
7.3.250.0140.00416.30
7.3.240.0090.01016.33
7.3.230.0070.01316.39
7.3.210.0130.00316.19
7.3.200.0150.00416.46
7.3.190.0000.01616.19
7.3.180.0080.00816.16
7.3.170.0100.00616.27
7.3.160.0040.01216.30
7.2.330.0140.00716.21
7.2.320.0070.01016.51
7.2.310.0090.00916.32
7.2.300.0190.00316.48
7.2.290.0070.01416.42
7.2.00.0080.00519.34
7.1.100.0040.01117.99
7.1.70.0040.00417.01
7.1.60.0070.01719.11
7.1.50.0160.00616.89
7.1.00.0070.07322.51
7.0.200.0150.00314.55
7.0.60.0100.07319.92
7.0.50.0030.07717.77
7.0.40.0070.06320.09
7.0.30.0300.05720.18
7.0.20.0300.08020.18
7.0.10.0330.07319.99
7.0.00.0070.08720.04
5.6.280.0030.03721.06
5.6.210.0070.06020.65
5.6.200.0070.08718.09
5.6.190.0100.07320.56
5.6.180.3200.03320.40
5.6.170.0270.06720.47
5.6.160.0130.07020.41
5.6.150.0100.08018.15
5.6.140.0030.08318.17
5.6.130.0070.04018.16
5.6.120.0030.04321.14
5.6.110.0100.07720.99
5.6.100.0170.06321.00
5.6.90.0100.08720.99
5.6.80.0130.07720.38
5.6.70.0170.07720.34
5.5.350.0100.09020.35
5.5.340.0000.07017.89
5.5.330.0030.07720.37
5.5.320.0400.08020.21
5.5.310.0230.08720.20
5.5.300.0130.05318.03
5.5.290.0070.04018.00
5.5.280.0130.03320.96
5.5.270.0070.08720.88
5.5.260.0100.07320.95
5.5.250.0070.08020.60
5.5.240.0200.06320.14
5.4.450.0670.06019.48
5.4.440.0600.06319.64
5.4.430.0670.05719.58
5.4.420.0700.04019.62
5.4.410.0670.06019.39
5.4.400.0530.05019.23
5.4.390.0770.06718.95
5.4.380.0700.05319.00
5.4.370.0870.06719.05
5.4.360.0500.05718.77
5.4.350.0570.05019.14
5.4.340.0670.05318.78
5.4.320.0600.05018.95
5.4.310.0600.04718.92
5.4.300.0700.05319.10
5.4.290.0700.05318.80
5.4.280.0700.06319.18
5.4.270.0570.05319.14
5.4.260.0570.04719.30
5.4.250.0500.05318.94
5.4.240.0530.05319.15
5.4.230.0430.06318.94
5.4.220.0570.05019.19
5.4.210.0630.04719.30
5.4.200.0700.04719.30
5.4.190.0430.06319.27
5.4.180.0570.05719.29
5.4.170.0600.04319.18
5.4.160.0570.05319.20
5.4.150.0600.04718.79
5.4.140.0530.05716.32
5.4.130.0530.05016.38
5.4.120.0600.05716.36
5.4.110.0730.04716.18
5.4.100.0670.05016.53
5.4.90.0730.04316.31
5.4.80.0530.04716.30
5.4.70.0800.04016.45
5.4.60.0630.05316.46
5.4.50.0700.05316.49
5.4.40.0730.04716.46
5.4.30.0700.04716.46
5.4.20.0930.05316.45
5.4.10.0530.05716.44
5.4.00.0700.04315.86

preferences:
19.16 ms | 401 KiB | 5 Q