3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1]; $b = [2]; $c = [3]; print_r(array_merge($a, $b, $c));

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)
8.3.60.0120.00918.40
8.3.50.0140.00317.85
8.3.40.0170.00318.45
8.3.30.0170.00018.97
8.3.20.0100.01020.12
8.3.10.0070.01321.77
8.3.00.0110.00318.93
8.2.180.0070.01116.63
8.2.170.0090.00618.83
8.2.160.0100.00722.96
8.2.150.0040.00424.18
8.2.140.0090.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00419.54
8.2.110.0090.00022.21
8.2.100.0140.00017.78
8.2.90.0080.00019.22
8.2.80.0030.00617.97
8.2.70.0030.00617.34
8.2.60.0000.00917.93
8.2.50.0080.00018.07
8.2.40.0040.00718.08
8.2.30.0040.00417.91
8.2.20.0000.00817.52
8.2.10.0000.00817.91
8.2.00.0040.00417.61
8.1.280.0090.00925.92
8.1.270.0110.00418.72
8.1.260.0120.00626.35
8.1.250.0050.00228.09
8.1.240.0060.00323.82
8.1.230.0080.00323.94
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0030.00517.23
8.1.180.0050.00318.10
8.1.170.0080.00018.52
8.1.160.0000.00722.00
8.1.150.0040.00418.76
8.1.140.0050.00317.31
8.1.130.0030.00617.73
8.1.120.0000.00817.41
8.1.110.0050.00317.26
8.1.100.0030.00417.23
8.1.90.0050.00317.34
8.1.80.0000.00717.41
8.1.70.0000.00717.24
8.1.60.0040.00417.49
8.1.50.0030.00717.35
8.1.40.0080.00017.35
8.1.30.0040.00417.49
8.1.20.0040.00417.57
8.1.10.0040.00417.28
8.1.00.0000.00817.30
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0000.00718.37
8.0.270.0000.00817.19
8.0.260.0060.00017.18
8.0.250.0000.00716.87
8.0.240.0000.00716.92
8.0.230.0040.00416.77
8.0.220.0030.00316.73
8.0.210.0000.00716.82
8.0.200.0030.00316.90
8.0.190.0040.00716.83
8.0.180.0090.00016.84
8.0.170.0000.00816.88
8.0.160.0020.00516.72
8.0.150.0040.00416.79
8.0.140.0070.00016.77
8.0.130.0000.00713.24
8.0.120.0080.00016.84
8.0.110.0080.00016.66
8.0.100.0030.00416.88
8.0.90.0080.00016.62
8.0.80.0090.01316.80
8.0.70.0000.00716.69
8.0.60.0040.00416.76
8.0.50.0040.00416.81
8.0.30.0080.01616.95
8.0.20.0140.01117.40
8.0.10.0040.00416.93
8.0.00.0150.00516.70
7.4.330.0000.00515.09
7.4.320.0000.00616.52
7.4.300.0030.00316.45
7.4.290.0050.00316.44
7.4.280.0000.00716.51
7.4.270.0030.00316.39
7.4.260.0070.00016.53
7.4.250.0030.00516.49
7.4.240.0050.00216.51
7.4.230.0000.00716.64
7.4.220.0140.00316.54
7.4.210.0070.01016.48
7.4.200.0000.00716.55
7.4.160.0080.00816.36
7.4.150.0100.00717.40
7.4.140.0080.01317.86
7.4.130.0130.00616.52
7.4.120.0070.00916.41
7.4.110.0030.01316.36
7.4.100.0030.01916.50
7.4.90.0120.00516.27
7.4.80.0100.00719.39
7.4.70.0090.00916.34
7.4.60.0070.01016.54
7.4.50.0040.00416.54
7.4.40.0120.00316.31
7.4.30.0180.00316.36
7.4.00.0130.00314.61
7.3.330.0050.00013.02
7.3.320.0000.00513.05
7.3.310.0050.00216.20
7.3.300.0000.00616.15
7.3.290.0050.00916.11
7.3.280.0060.00916.18
7.3.270.0040.01417.40
7.3.260.0160.00416.10
7.3.250.0160.00316.31
7.3.240.0090.00616.30
7.3.230.0080.01616.39
7.3.210.0040.01516.14
7.3.200.0110.01019.39
7.3.190.0150.00716.22
7.3.180.0030.01216.18
7.3.170.0100.00916.30
7.3.160.0100.00716.53
7.3.10.0070.00716.54
7.3.00.0060.00616.73
7.2.330.0120.00916.45
7.2.320.0050.01216.40
7.2.310.0120.00416.54
7.2.300.0150.00416.29
7.2.290.0100.01316.36
7.2.130.0090.00316.74
7.2.120.0030.00716.53
7.2.110.0080.00516.67
7.2.100.0090.00616.51
7.2.90.0070.00316.77
7.2.80.0030.00916.55
7.2.70.0070.00316.91
7.2.60.0040.00916.56
7.2.50.0060.00616.63
7.2.40.0040.00416.77
7.2.30.0030.01016.60
7.2.20.0030.01016.73
7.2.10.0100.00316.77
7.2.00.0050.01017.92
7.1.250.0090.00315.48
7.1.200.0120.01215.32
7.1.100.0000.01417.69
7.1.70.0050.00217.10
7.1.60.0160.00919.46
7.1.50.0070.01716.72
7.1.00.0000.08022.40
7.0.200.0060.00614.72
7.0.140.0030.03322.00
7.0.60.0030.06319.83
7.0.50.0030.04017.84
7.0.40.0070.08720.24
7.0.30.0300.04720.30
7.0.20.0230.07320.30
7.0.10.0100.08320.19
7.0.00.0070.05020.22
5.6.280.0000.07721.10
5.6.210.0170.06720.46
5.6.200.0070.04018.19
5.6.190.0100.05020.33
5.6.180.0570.05320.57
5.6.170.0230.03320.50
5.6.160.0070.09020.40
5.6.150.0030.05718.29
5.6.140.0170.07318.21
5.6.130.0070.06718.24
5.6.120.0070.08321.00
5.6.110.0070.05720.96
5.6.100.0030.07321.10
5.6.90.0070.08720.95
5.6.80.0030.08020.39
5.5.350.0130.05020.43
5.5.340.0070.03717.95
5.5.330.0030.05020.42
5.5.320.0030.05320.29
5.5.310.0430.07020.37
5.5.300.0000.06317.94
5.5.290.0100.08318.08
5.5.280.0130.07320.77
5.5.270.0000.04720.71
5.5.260.0070.03720.96
5.5.250.0070.06720.61
5.5.240.0030.07320.36
5.4.450.0570.04719.20
5.4.440.0570.05719.47
5.4.430.0200.04719.38
5.4.420.0130.06019.32
5.4.410.0200.04719.11
5.4.400.0170.05019.23
5.4.390.0100.06018.79
5.4.380.0270.04718.71
5.4.370.0170.05718.74
5.4.360.0200.06718.76
5.4.350.0300.06318.80
5.4.340.0200.07318.74
5.4.320.0230.07018.75
5.4.310.0170.07718.79
5.4.300.0300.06018.63
5.4.290.0100.05718.83
5.4.280.0100.05718.79
5.4.270.0330.05718.78
5.4.260.0200.05718.74
5.4.250.0130.06018.70
5.4.240.0170.05718.52
5.4.230.0270.05718.57
5.4.220.0200.06018.59
5.4.210.0200.06318.75
5.4.200.0230.05016.80
5.4.190.0200.05318.77
5.4.180.0200.06318.57
5.4.170.0270.06018.71
5.4.160.0230.05018.71
5.4.150.0070.06318.59
5.4.140.0130.05716.45
5.4.130.0130.05016.25
5.4.120.0170.05016.27
5.4.110.0130.05016.18
5.4.100.0230.05016.29
5.4.90.0230.05016.24
5.4.80.0270.05716.40
5.4.70.0030.06316.18
5.4.60.0230.04016.26
5.4.50.0130.05016.21
5.4.40.0170.05316.23
5.4.30.0130.05716.15
5.4.20.0100.05716.40
5.4.10.0170.05016.29
5.4.00.0170.05715.77
5.3.290.0200.05014.76
5.3.280.0130.05714.51
5.3.270.0170.05314.60
5.3.260.0100.06014.54
5.3.250.0130.06014.61
5.3.240.0170.05714.61
5.3.230.0270.04714.54
5.3.220.0230.05314.66
5.3.210.0230.05714.57
5.3.200.0200.06014.55
5.3.190.0130.05314.55
5.3.180.0170.05014.54
5.3.170.0200.06014.59
5.3.160.0200.04714.65
5.3.150.0170.05314.53
5.3.140.0200.06014.58
5.3.130.0200.06714.46
5.3.120.0200.05314.64
5.3.110.0200.05014.52
5.3.100.0170.05014.07
5.3.90.0170.05714.00
5.3.80.0230.05013.95
5.3.70.0270.04714.09
5.3.60.0130.06014.00
5.3.50.0130.05313.97
5.3.40.0130.05713.89
5.3.30.0070.06013.87
5.3.20.0100.05713.78
5.3.10.0270.04013.66
5.3.00.0070.06313.63
5.2.170.0200.05311.12
5.2.160.0070.04711.11
5.2.150.0230.04711.06
5.2.140.0170.04011.18
5.2.130.0100.04311.14
5.2.120.0100.04711.03
5.2.110.0230.04311.23
5.2.100.0170.03711.09
5.2.90.0170.03311.09
5.2.80.0130.04011.13
5.2.70.0130.04711.16
5.2.60.0100.04311.20
5.2.50.0100.04310.97
5.2.40.0100.04010.95
5.2.30.0030.04711.13
5.2.20.0130.04010.89
5.2.10.0070.04310.85
5.2.00.0170.04710.81
5.1.60.0070.0379.96
5.1.50.0200.04310.09
5.1.40.0100.04010.10
5.1.30.0100.04010.34
5.1.20.0070.04010.36
5.1.10.0070.04310.14
5.1.00.0070.04010.07
5.0.50.0070.0308.58
5.0.40.0070.0378.54
5.0.30.0000.0578.19
5.0.20.0130.0208.37
5.0.10.0030.0378.28
5.0.00.0100.0408.33
4.4.90.0030.0305.90
4.4.80.0070.0205.86
4.4.70.0100.0205.91
4.4.60.0130.0205.92
4.4.50.0100.0275.83
4.4.40.0130.0305.89
4.4.30.0030.0305.94
4.4.20.0030.0275.93
4.4.10.0070.0205.95
4.4.00.0130.0305.86
4.3.110.0070.0205.79
4.3.100.0070.0205.81
4.3.90.0000.0335.79
4.3.80.0070.0335.77
4.3.70.0100.0175.93
4.3.60.0000.0275.82
4.3.50.0070.0205.78
4.3.40.0130.0275.75
4.3.30.0100.0174.58
4.3.20.0070.0204.53
4.3.10.0000.0274.52
4.3.00.0070.0239.27

preferences:
50.28 ms | 400 KiB | 5 Q