3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(); $arr2 = array('foo'); var_dump(array_merge($arr, $arr2));

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)
8.3.60.0130.00618.18
8.3.50.0140.00321.02
8.3.40.0110.00418.64
8.3.30.0070.00718.84
8.3.20.0120.00020.23
8.3.10.0080.00022.10
8.3.00.0040.00422.52
8.2.180.0120.00316.38
8.2.170.0070.00722.96
8.2.160.0040.01620.34
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0080.00826.16
8.2.120.0060.00319.41
8.2.110.0030.00622.10
8.2.100.0080.00419.41
8.2.90.0000.00719.21
8.2.80.0040.00417.97
8.2.70.0030.00717.50
8.2.60.0030.00718.04
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0070.00018.04
8.2.20.0000.00917.60
8.2.10.0040.00417.47
8.2.00.0080.00017.61
8.1.280.0070.00725.92
8.1.270.0030.00620.26
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0000.01023.94
8.1.230.0030.00719.01
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0040.00417.12
8.1.190.0090.00017.41
8.1.180.0000.00718.69
8.1.170.0000.00818.52
8.1.160.0040.00422.04
8.1.150.0050.00218.56
8.1.140.0050.00317.31
8.1.130.0000.00717.81
8.1.120.0000.00717.27
8.1.110.0040.00417.20
8.1.100.0000.00717.29
8.1.90.0050.00217.29
8.1.80.0000.00717.32
8.1.70.0000.00717.27
8.1.60.0050.00317.47
8.1.50.0020.00517.43
8.1.40.0040.00417.44
8.1.30.0040.00417.48
8.1.20.0030.00517.57
8.1.10.0030.00517.32
8.1.00.0040.00817.34
8.0.300.0050.00218.77
8.0.290.0040.00416.80
8.0.280.0040.00418.43
8.0.270.0030.00317.14
8.0.260.0030.00316.71
8.0.250.0030.00316.82
8.0.240.0040.00416.75
8.0.230.0050.00316.86
8.0.220.0070.00016.87
8.0.210.0030.00316.88
8.0.200.0000.00716.76
8.0.190.0080.00016.75
8.0.180.0050.00316.83
8.0.170.0030.00516.75
8.0.160.0040.00316.68
8.0.150.0040.00416.73
8.0.140.0030.00516.80
8.0.130.0050.00013.33
8.0.120.0030.00516.75
8.0.110.0050.00316.77
8.0.100.0050.00316.88
8.0.90.0030.00316.70
8.0.80.0090.00616.79
8.0.70.0000.00716.88
8.0.60.0000.01016.69
8.0.50.0080.00016.88
8.0.30.0090.00917.05
8.0.20.0120.00717.40
8.0.10.0040.00416.77
8.0.00.0100.00816.67
7.4.330.0000.00615.01
7.4.320.0030.00316.43
7.4.300.0030.00316.42
7.4.290.0030.00316.42
7.4.280.0030.00316.37
7.4.270.0030.00316.43
7.4.260.0090.00016.45
7.4.250.0040.00416.53
7.4.240.0050.00216.47
7.4.230.0070.00016.43
7.4.220.0030.01616.46
7.4.210.0080.00716.50
7.4.200.0040.00416.62
7.4.190.0030.00316.37
7.4.160.0090.00616.36
7.4.150.0060.01217.40
7.4.140.0080.01017.86
7.4.130.0110.00616.38
7.4.120.0060.01116.52
7.4.110.0100.00716.52
7.4.100.0030.01316.41
7.4.90.0150.00416.55
7.4.80.0100.01019.39
7.4.70.0090.00916.34
7.4.60.0180.00016.36
7.4.50.0000.00816.34
7.4.40.0030.01022.77
7.4.30.0060.01116.30
7.4.00.0060.00615.08
7.3.330.0000.00513.04
7.3.320.0000.00512.97
7.3.310.0030.00316.22
7.3.300.0050.00216.02
7.3.290.0060.01316.18
7.3.280.0090.00916.17
7.3.270.0180.00417.40
7.3.260.0120.00616.11
7.3.250.0080.01016.32
7.3.240.0170.00616.13
7.3.230.0140.00716.41
7.3.210.0120.00616.36
7.3.200.0140.00719.39
7.3.190.0090.01216.20
7.3.180.0110.01116.13
7.3.170.0120.00816.27
7.3.160.0090.00916.28
7.3.120.0090.00314.63
7.3.10.0030.01016.46
7.3.00.0050.01116.44
7.2.330.0030.01416.13
7.2.320.0070.01116.21
7.2.310.0120.00916.41
7.2.300.0140.00816.16
7.2.290.0130.00316.50
7.2.130.0080.00316.58
7.2.120.0080.00616.57
7.2.110.0090.01016.46
7.2.100.0050.00616.70
7.2.90.0070.00916.75
7.2.80.0110.00816.61
7.2.70.0130.00316.61
7.2.60.0070.00816.64
7.2.50.0090.00616.70
7.2.40.0100.00416.56
7.2.30.0050.01316.49
7.2.20.0110.00816.43
7.2.10.0100.00516.58
7.2.00.0090.01016.64
7.1.250.0110.00615.43
7.1.200.0000.01515.87
7.1.70.0060.00616.80
7.1.60.0060.00619.50
7.1.50.0100.01316.87
7.1.00.0030.07322.48
7.0.200.0040.00816.50
7.0.140.0100.06722.18
7.0.70.4830.03719.80
7.0.60.0070.03719.89
7.0.50.0030.04017.83
7.0.40.0070.08720.21
7.0.30.0100.04720.18
7.0.20.0100.05020.00
7.0.10.0300.07320.09
7.0.00.0030.08720.32
5.6.280.0100.06720.85
5.6.210.0070.05320.50
5.6.200.0100.08718.22
5.6.190.0130.07020.43
5.6.180.0070.05320.60
5.6.170.0270.08020.62
5.6.160.0130.08320.48
5.6.150.0000.06718.19
5.6.140.0130.03318.13
5.6.130.0100.08318.07
5.6.120.0130.07021.13
5.6.110.0030.05321.14
5.6.100.0000.06020.96
5.6.90.0200.07020.99
5.6.80.0070.08020.53
5.6.70.0430.06020.36
5.5.350.0070.08720.39
5.5.340.0100.06717.93
5.5.330.0130.05720.06
5.5.320.0030.04020.47
5.5.310.0170.07020.27
5.5.300.0070.03717.88
5.5.290.0070.06317.92
5.5.280.0100.05020.79
5.5.270.0000.07020.88
5.5.260.0030.05020.73
5.5.250.0100.06020.57
5.5.240.0170.05720.18
5.4.450.0170.05719.44
5.4.440.0900.06719.13
5.4.430.0830.05319.24
5.4.420.0830.05719.46
5.4.410.0100.05719.34
5.4.400.0900.05019.31
5.4.390.0830.05719.26
5.4.380.0370.04318.70
5.4.370.0300.05018.67
5.4.360.0170.05018.61
5.4.350.0090.03311.97
5.4.340.0070.03611.97
5.4.320.0060.05012.45
5.4.310.0050.03912.45
5.4.300.0060.03712.45
5.4.290.0050.03812.45
5.4.280.0060.03512.35
5.4.270.0090.03312.35
5.4.260.0050.04612.35
5.4.250.0130.06718.83
5.4.240.0200.05018.74
5.4.230.0100.06318.89
5.4.220.0070.05718.69
5.4.210.0200.06018.64
5.4.200.0070.07319.02
5.4.190.0070.06018.69
5.4.180.0230.06018.98
5.4.170.0100.05318.76
5.4.160.0130.04719.00
5.4.150.0070.06018.71
5.4.140.0100.06716.24
5.4.130.0070.07316.29
5.4.120.0100.04716.52
5.4.110.0070.05316.28
5.4.100.0070.06716.29
5.4.90.0170.03716.35
5.4.80.0170.04316.48
5.4.70.0130.06316.27
5.4.60.0030.05316.32
5.4.50.0170.05716.47
5.4.40.0070.05016.48
5.4.30.0100.05316.52
5.4.20.0030.07716.25
5.4.10.0070.06316.32
5.4.00.0000.06015.67
5.3.290.0060.04212.80
5.3.280.0200.04314.60
5.3.270.0030.05714.52
5.3.260.0030.06714.44
5.3.250.0070.05014.30
5.3.240.0130.04714.70
5.3.230.0000.07014.61
5.3.220.0000.05714.41
5.3.210.0030.05714.57
5.3.200.0000.05714.71
5.3.190.0130.06014.33
5.3.180.0070.05014.57
5.3.170.0070.05314.57
5.3.160.0070.05014.57
5.3.150.0130.06014.45
5.3.140.0130.04314.42
5.3.130.0130.06314.64
5.3.120.0070.07714.56
5.3.110.0030.06714.56
5.3.100.0100.07014.05
5.3.90.0130.06013.85
5.3.80.0070.05314.11
5.3.70.0030.07314.03
5.3.60.0200.03713.83
5.3.50.0030.05013.83
5.3.40.0130.04713.96
5.3.30.0100.05713.79
5.3.20.0030.05013.57
5.3.10.0030.07713.53
5.3.00.0070.06013.73
5.2.170.0070.04710.90
5.2.160.0070.05710.90
5.2.150.0070.04311.25
5.2.140.0070.04711.15
5.2.130.0100.03311.02
5.2.120.0070.03711.02
5.2.110.0030.04711.20
5.2.100.0030.05010.86
5.2.90.0030.04311.00
5.2.80.0070.05011.20
5.2.70.0100.03711.11
5.2.60.0070.04711.16
5.2.50.0030.04710.86
5.2.40.0200.03310.83
5.2.30.0100.05011.13
5.2.20.0000.06011.06
5.2.10.0100.04011.02
5.2.00.0070.04710.79
5.1.60.0100.0409.90
5.1.50.0000.05310.14
5.1.40.0070.05010.16
5.1.30.0070.05010.50
5.1.20.0070.03310.56
5.1.10.0030.03310.11
5.1.00.0000.03710.09
5.0.50.0070.0238.46
5.0.40.0000.0278.33
5.0.30.0000.0438.10
5.0.20.0030.0238.25
5.0.10.0070.0278.11
5.0.00.0000.0438.14
4.4.90.0030.0306.52
4.4.80.0030.0306.51
4.4.70.0000.0276.51
4.4.60.0000.0236.51
4.4.50.0030.0206.51
4.4.40.0100.0276.51
4.4.30.0030.0236.51
4.4.20.0000.0206.51
4.4.10.0070.0176.51
4.4.00.0030.0306.51
4.3.110.0000.0236.51
4.3.100.0000.0236.51
4.3.90.0000.0206.51
4.3.80.0030.0306.51
4.3.70.0000.0206.51
4.3.60.0000.0236.51
4.3.50.0000.0236.51
4.3.40.0000.0336.51
4.3.30.0070.0236.51
4.3.20.0030.0306.51
4.3.10.0000.0236.51
4.3.00.0130.0277.30

preferences:
44.51 ms | 401 KiB | 5 Q