3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array("a"=>1,"b"=>1,"c"=>1,"e"=>1); $b=array("a"=>5,"b"=>5,"c"=>7,"e"=>8); print_r(array_combine($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)
8.3.60.0090.00618.43
8.3.50.0140.00521.92
8.3.40.0070.01018.58
8.3.30.0070.01318.97
8.3.20.0000.00820.26
8.3.10.0040.00421.92
8.3.00.0000.00722.37
8.2.180.0180.00716.48
8.2.170.0120.00422.96
8.2.160.0100.00320.77
8.2.150.0000.00824.18
8.2.140.0030.00624.66
8.2.130.0050.00226.16
8.2.120.0040.00418.98
8.2.110.0000.01022.34
8.2.100.0080.00417.71
8.2.90.0040.00419.28
8.2.80.0050.00317.97
8.2.70.0060.00617.50
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0050.00218.22
8.2.30.0040.00417.86
8.2.20.0030.00617.57
8.2.10.0030.00619.46
8.2.00.0030.00617.56
8.1.280.0150.00625.92
8.1.270.0000.00822.18
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0000.00823.92
8.1.230.0070.00319.09
8.1.220.0000.00717.74
8.1.210.0060.00318.77
8.1.200.0070.00317.22
8.1.190.0050.00317.17
8.1.180.0000.00818.10
8.1.170.0040.00418.46
8.1.160.0050.00321.88
8.1.150.0000.00918.48
8.1.140.0040.00417.29
8.1.130.0000.00617.82
8.1.120.0070.00017.32
8.1.110.0000.00917.38
8.1.100.0070.00017.43
8.1.90.0030.00317.30
8.1.80.0000.00717.36
8.1.70.0000.00717.29
8.1.60.0030.00617.44
8.1.50.0020.00517.42
8.1.40.0040.00417.34
8.1.30.0020.00517.57
8.1.20.0030.00617.63
8.1.10.0000.00717.51
8.1.00.0000.00717.42
8.0.300.0030.00318.77
8.0.290.0030.00317.04
8.0.280.0080.00018.38
8.0.270.0030.00317.19
8.0.260.0030.00316.76
8.0.250.0030.00316.93
8.0.240.0040.00416.82
8.0.230.0040.00416.92
8.0.220.0030.00316.71
8.0.210.0040.00416.85
8.0.200.0000.00616.86
8.0.190.0040.00316.90
8.0.180.0050.00216.80
8.0.170.0040.00416.86
8.0.160.0070.00016.88
8.0.150.0070.00016.81
8.0.140.0070.00016.70
8.0.130.0060.00013.21
8.0.120.0030.00616.73
8.0.110.0000.00816.75
8.0.100.0070.00016.81
8.0.90.0000.00716.68
8.0.80.0070.01616.88
8.0.70.0070.00016.69
8.0.60.0050.00216.72
8.0.50.0000.00716.71
8.0.30.0100.01016.84
8.0.20.0120.00717.40
8.0.10.0080.00016.88
8.0.00.0080.01316.72
7.4.330.0050.00015.02
7.4.320.0060.00016.43
7.4.300.0000.00616.34
7.4.290.0030.00316.58
7.4.280.0050.00316.53
7.4.270.0000.00716.44
7.4.260.0040.00416.32
7.4.250.0040.00416.30
7.4.240.0000.00716.45
7.4.230.0030.00316.51
7.4.220.0090.00916.47
7.4.210.0080.00816.57
7.4.200.0000.00716.27
7.4.190.0000.00716.61
7.4.160.0070.01016.50
7.4.150.0070.01017.40
7.4.140.0100.00817.86
7.4.130.0090.00916.45
7.4.120.0080.00916.47
7.4.110.0140.02016.40
7.4.100.0100.00716.20
7.4.90.0000.01716.26
7.4.80.0100.01019.39
7.4.70.0100.00716.46
7.4.60.0130.00616.32
7.4.50.0040.00416.41
7.4.40.0040.01222.77
7.4.30.0130.00316.33
7.4.00.0060.00614.93
7.3.330.0050.00012.88
7.3.320.0000.00512.97
7.3.310.0040.00415.98
7.3.300.0030.00316.13
7.3.290.0110.00416.08
7.3.280.0090.00916.15
7.3.270.0130.00417.40
7.3.260.0090.00916.37
7.3.250.0120.00516.39
7.3.240.0090.01216.41
7.3.230.0130.00316.39
7.3.210.0100.00716.48
7.3.200.0090.00919.39
7.3.190.0090.00916.25
7.3.180.0040.01116.44
7.3.170.0110.01116.41
7.3.160.0060.00916.29
7.3.120.0000.01214.69
7.2.330.0070.01016.53
7.2.320.0220.00316.41
7.2.310.0100.01016.22
7.2.300.0100.00616.46
7.2.290.0080.00816.59
7.2.110.0270.00316.49
7.2.00.0060.01018.99
7.1.100.0000.01118.05
7.1.70.0000.00916.64
7.1.60.0140.01019.82
7.1.50.0070.01416.87
7.1.00.0070.07322.30
7.0.200.0000.00716.73
7.0.140.0030.06721.94
7.0.60.0200.07019.88
7.0.50.0030.04317.94
7.0.40.0170.08020.24
7.0.30.0230.06320.07
7.0.20.0370.07020.27
7.0.10.0070.05320.06
7.0.00.0130.06020.06
5.6.280.0100.06720.78
5.6.210.0200.07320.67
5.6.200.0100.04018.26
5.6.190.0070.08720.39
5.6.180.0300.04320.57
5.6.170.0170.04320.54
5.6.160.0000.06320.71
5.6.150.0070.08318.29
5.6.140.0100.07718.17
5.6.130.0100.07718.14
5.6.120.0100.08320.89
5.6.110.0130.07321.05
5.6.100.0100.05320.98
5.6.90.0030.09321.10
5.6.80.0070.08720.50
5.5.350.0400.06720.43
5.5.340.0000.08718.07
5.5.330.0070.06020.56
5.5.320.0030.08020.32
5.5.310.0200.06720.24
5.5.300.0070.03717.98
5.5.290.0030.07717.91
5.5.280.0100.05020.68
5.5.270.0070.04320.84
5.5.260.0130.08020.95
5.5.250.0070.05720.68
5.5.240.0070.06720.06
5.4.450.0530.07319.48
5.4.440.0700.05019.33
5.4.430.0730.06019.20
5.4.420.0230.07019.38
5.4.410.0800.05019.30
5.4.400.0700.04719.29
5.4.390.0130.05019.22
5.4.380.0500.04718.74
5.4.370.0500.07318.78
5.4.360.0330.05318.80
5.4.350.0430.04718.51
5.4.340.0330.06018.82
5.4.320.0080.03712.48
5.4.310.0050.03912.48
5.4.300.0040.03912.48
5.4.290.0070.04012.48
5.4.280.0080.03712.38
5.4.270.0050.03912.35
5.4.260.0080.03912.35
5.4.250.0040.04412.35
5.4.240.0140.03312.35
5.4.230.0100.03512.34
5.4.220.0070.03712.34
5.4.210.0100.04712.34
5.4.200.0120.03712.34
5.4.190.0090.04912.34
5.4.180.0050.05912.33
5.4.170.0080.05012.35
5.4.160.0070.05012.34
5.4.150.0110.04712.34
5.4.140.0110.05312.02
5.4.130.0070.03812.00
5.4.120.0090.03311.96
5.4.110.0090.03611.96
5.4.100.0060.03611.96
5.4.90.0090.03511.96
5.4.80.0040.04811.96
5.4.70.0020.04411.96
5.4.60.0070.03511.95
5.4.50.0070.03811.96
5.4.40.0080.03311.94
5.4.30.0060.03511.95
5.4.20.0080.03711.94
5.4.10.0090.03211.95
5.4.00.0070.03511.44
5.3.290.0080.03712.80
5.3.280.0030.04212.71
5.3.270.0090.03812.73
5.3.260.0060.04112.72
5.3.250.0100.03612.72
5.3.240.0040.04212.72
5.3.230.0080.04712.71
5.3.220.0140.04612.68
5.3.210.0140.04612.68
5.3.200.0080.04912.68
5.3.190.0070.03912.68
5.3.180.0130.03812.67
5.3.170.0120.04912.67
5.3.160.0120.05112.68
5.3.150.0110.04712.67
5.3.140.0060.04012.66
5.3.130.0060.04112.66
5.3.120.0140.04812.65
5.3.110.0070.04112.66
5.3.100.0110.04712.12
5.3.90.0100.03612.08
5.3.80.0100.03412.08
5.3.70.0100.04512.08
5.3.60.0080.03812.06
5.3.50.0080.04012.00
5.3.40.0090.03912.00
5.3.30.0110.03111.95
5.3.20.0090.04511.72
5.3.10.0100.05011.68
5.3.00.0110.05511.68
5.2.170.0100.0419.17
5.2.160.0100.0439.18
5.2.150.0060.0479.18
5.2.140.0090.0379.17
5.2.130.0100.0349.13
5.2.120.0040.0389.14
5.2.110.0100.0359.14
5.2.100.0060.0309.14
5.2.90.0040.0319.14
5.2.80.0080.0319.13
5.2.70.0050.0369.12
5.2.60.0060.0319.09
5.2.50.0050.0319.05
5.2.40.0080.0299.03
5.2.30.0040.0409.01
5.2.20.0090.0348.99
5.2.10.0070.0378.90
5.2.00.0060.0328.77
5.1.60.0040.0258.05
5.1.50.0030.0268.05
5.1.40.0040.0278.04
5.1.30.0040.0308.38
5.1.20.0050.0308.41
5.1.10.0070.0258.13
5.1.00.0070.0258.13
5.0.50.0030.0226.61
5.0.40.0040.0196.46
5.0.30.0040.0316.27
5.0.20.0060.0196.25
5.0.10.0070.0186.23
5.0.00.0020.0346.22
4.4.90.0050.0144.78
4.4.80.0030.0164.75
4.4.70.0030.0174.75
4.4.60.0010.0204.75
4.4.50.0030.0194.77
4.4.40.0040.0334.71
4.4.30.0050.0154.75
4.4.20.0040.0244.84
4.4.10.0040.0164.85
4.4.00.0020.0264.76
4.3.110.0000.0194.67
4.3.100.0020.0174.66
4.3.90.0030.0174.63
4.3.80.0050.0304.59
4.3.70.0060.0194.63
4.3.60.0070.0214.63
4.3.50.0040.0274.63
4.3.40.0050.0304.53
4.3.30.0060.0233.27
4.3.20.0020.0233.25
4.3.10.0020.0213.22
4.3.00.0070.0237.39

preferences:
36.9 ms | 401 KiB | 5 Q