3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['job' => 1, 'purpose' => 1]; $b = ['job' => 2]; var_dump([$a, 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)
8.3.60.0150.00016.63
8.3.50.0120.00822.77
8.3.40.0080.00818.67
8.3.30.0030.01019.01
8.3.20.0040.00420.21
8.3.10.0090.00023.56
8.3.00.0080.00019.25
8.2.180.0040.01816.38
8.2.170.0110.00422.96
8.2.160.0100.00320.32
8.2.150.0060.00624.18
8.2.140.0030.00524.66
8.2.130.0030.00526.16
8.2.120.0090.00021.02
8.2.110.0090.00020.98
8.2.100.0040.00817.91
8.2.90.0080.00017.48
8.2.80.0030.00617.97
8.2.70.0000.00817.93
8.2.60.0050.00317.91
8.2.50.0040.00418.10
8.2.40.0030.00520.63
8.2.30.0000.00819.43
8.2.20.0080.00017.55
8.2.10.0070.00017.96
8.2.00.0050.00217.54
8.1.280.0100.00725.92
8.1.270.0030.00523.73
8.1.260.0040.00426.35
8.1.250.0070.00728.09
8.1.240.0060.00323.90
8.1.230.0060.00618.99
8.1.220.0090.00017.74
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0050.00317.22
8.1.180.0030.00618.10
8.1.170.0000.00818.72
8.1.160.0030.00321.95
8.1.150.0000.00718.88
8.1.140.0040.00417.46
8.1.130.0030.00517.78
8.1.120.0000.00717.34
8.1.110.0040.00417.41
8.1.100.0000.00717.44
8.1.90.0040.00417.38
8.1.80.0030.00717.41
8.1.70.0040.00417.34
8.1.60.0030.00517.53
8.1.50.0030.00617.58
8.1.40.0050.00217.38
8.1.30.0040.00417.51
8.1.20.0040.00417.54
8.1.10.0030.00517.47
8.1.00.0040.00417.44
8.0.300.0040.00419.73
8.0.290.0040.00416.63
8.0.280.0000.00718.42
8.0.270.0020.00517.25
8.0.260.0000.00617.16
8.0.250.0000.00716.96
8.0.240.0040.00416.91
8.0.230.0000.00816.91
8.0.220.0030.00316.92
8.0.210.0070.00016.89
8.0.200.0000.00716.91
8.0.190.0050.00216.91
8.0.180.0000.00916.92
8.0.170.0050.00216.89
8.0.160.0000.00716.85
8.0.150.0050.00216.65
8.0.140.0070.00016.74
8.0.130.0000.00513.33
8.0.120.0050.00316.87
8.0.110.0000.00716.91
8.0.100.0030.00616.69
8.0.90.0070.00016.71
8.0.80.0030.01316.93
8.0.70.0030.00516.77
8.0.60.0050.00316.92
8.0.50.0030.00416.91
8.0.30.0140.00917.00
8.0.20.0100.01117.40
8.0.10.0070.00017.04
8.0.00.0120.00816.82
7.4.330.0030.00315.07
7.4.320.0030.00316.36
7.4.300.0000.00616.51
7.4.290.0080.00016.48
7.4.280.0000.00816.50
7.4.270.0030.00316.36
7.4.260.0000.00816.60
7.4.250.0040.00416.36
7.4.240.0030.00316.42
7.4.230.0000.00716.70
7.4.220.0160.01116.63
7.4.210.0070.00716.51
7.4.200.0030.00316.31
7.4.160.0060.01116.55
7.4.150.0100.00717.40
7.4.140.0140.01717.86
7.4.130.0130.00716.60
7.4.120.0100.00716.63
7.4.110.0030.01416.48
7.4.100.0130.01016.41
7.4.90.0140.00316.44
7.4.80.0180.00619.39
7.4.70.0140.00316.56
7.4.60.0150.00416.56
7.4.50.0000.00716.63
7.4.40.0160.00016.58
7.4.30.0060.01216.39
7.4.00.0070.00715.09
7.3.330.0050.00013.09
7.3.320.0030.00313.09
7.3.310.0030.00316.20
7.3.300.0070.00016.16
7.3.290.0100.00716.25
7.3.280.0060.01016.27
7.3.270.0100.01317.40
7.3.260.0060.01416.30
7.3.250.0070.01016.35
7.3.240.0080.00916.34
7.3.230.0080.00816.39
7.3.210.0150.00316.37
7.3.200.0090.00919.39
7.3.190.0030.01916.54
7.3.180.0080.00816.32
7.3.170.0060.01116.44
7.3.160.0090.01216.29
7.3.10.0100.00616.65
7.3.00.0060.00616.59
7.2.330.0140.01016.21
7.2.320.0100.00716.32
7.2.310.0090.01216.45
7.2.300.0070.01116.57
7.2.290.0050.01116.20
7.2.130.0090.00316.57
7.2.120.0060.00616.73
7.2.110.0060.00616.94
7.2.100.0080.00416.58
7.2.90.0040.01116.81
7.2.80.0140.00316.73
7.2.70.0030.01316.89
7.2.60.0090.00516.78
7.2.50.0070.00316.85
7.2.40.0000.01116.71
7.2.30.0030.00916.76
7.2.20.0120.00016.86
7.2.10.0030.00916.50
7.2.00.0090.00117.98
7.1.250.0040.00815.72
7.1.200.0040.00915.75
7.1.100.0070.00418.14
7.1.70.0030.00917.09
7.1.60.0060.01919.46
7.1.50.0060.01916.89
7.1.00.0070.07322.44
7.0.200.0000.00716.73
7.0.140.0130.06322.04
7.0.60.0000.05720.01
7.0.50.0100.05017.81
7.0.40.0130.08020.07
7.0.30.0370.04020.17
7.0.20.0170.04020.09
7.0.10.0030.04320.18
7.0.00.0030.04320.08
5.6.280.0030.07321.03
5.6.210.0070.06020.65
5.6.200.0200.07018.23
5.6.190.0070.05720.56
5.6.180.0370.03720.35
5.6.170.0330.07020.51
5.6.160.0000.05020.39
5.6.150.0130.05318.12
5.6.140.0100.08318.15
5.6.130.0030.07718.11
5.6.120.0130.08320.91
5.6.110.0070.07721.11
5.6.100.0030.08021.13
5.6.90.0030.05321.09
5.6.80.0070.06320.35
5.5.350.0200.07720.48
5.5.340.0070.08018.02
5.5.330.0100.07320.25
5.5.320.0030.04020.31
5.5.310.0330.04720.17
5.5.300.0170.06317.91
5.5.290.0030.08317.93
5.5.280.0070.08020.80
5.5.270.0130.07020.81
5.5.260.0070.07720.82
5.5.250.0100.04320.54
5.5.240.0230.07020.16
5.4.450.0200.04719.41
5.4.440.0230.04319.46
5.4.430.0130.03319.23
5.4.420.0170.04719.45
5.4.410.0370.04719.34
5.4.400.0070.04319.09
5.4.390.0130.04719.08
5.4.380.0500.06718.56
5.4.370.0370.04318.62
5.4.360.0700.04018.65
5.4.350.0330.08318.67
5.4.340.0270.05318.57
5.4.320.0060.03612.45
5.4.310.0010.04412.45
5.4.300.0070.03612.45
5.4.290.0040.04012.45
5.4.280.0030.04212.34
5.4.270.0080.03512.35
5.4.260.0040.04012.34
5.4.250.0100.03312.34
5.4.240.0060.03712.35
5.4.230.0060.03812.34
5.4.220.0110.03212.34
5.4.210.0060.03512.34
5.4.200.0030.03912.34
5.4.190.0070.03512.34
5.4.180.0040.03812.34
5.4.170.0070.03412.34
5.4.160.0050.04612.34
5.4.150.0070.04712.34
5.4.140.0060.03712.02
5.4.130.0030.03712.01
5.4.120.0040.03911.97
5.4.110.0070.04311.96
5.4.100.0070.03411.96
5.4.90.0070.03511.96
5.4.80.0030.04011.96
5.4.70.0030.03811.96
5.4.60.0040.03611.96
5.4.50.0080.03711.96
5.4.40.0050.03911.95
5.4.30.0070.03411.95
5.4.20.0040.03611.95
5.4.10.0070.03311.95
5.4.00.0060.03511.43
5.3.290.0090.03612.80
5.3.280.0060.03612.71
5.3.270.0070.03812.72
5.3.260.0060.03912.72
5.3.250.0080.03612.71
5.3.240.0060.03612.72
5.3.230.0060.04012.71
5.3.220.0060.03812.68
5.3.210.0070.03712.68
5.3.200.0080.03412.68
5.3.190.0070.03812.68
5.3.180.0060.04212.67
5.3.170.0090.03312.67
5.3.160.0080.03512.67
5.3.150.0060.03612.68
5.3.140.0060.03612.66
5.3.130.0050.04012.66
5.3.120.0060.03912.66
5.3.110.0050.04712.66
5.3.100.0100.04912.12
5.3.90.0080.05112.09
5.3.80.0080.03912.08
5.3.70.0070.03512.08
5.3.60.0070.03612.07
5.3.50.0060.03612.00
5.3.40.0070.03512.00
5.3.30.0060.03411.95
5.3.20.0050.03711.73
5.3.10.0060.03611.70
5.3.00.0060.03711.68
5.2.170.0070.0459.18
5.2.160.0030.0319.18
5.2.150.0040.0389.18
5.2.140.0030.0329.18
5.2.130.0020.0319.14
5.2.120.0030.0309.14
5.2.110.0020.0319.15
5.2.100.0060.0269.14
5.2.90.0060.0279.14
5.2.80.0050.0309.14
5.2.70.0060.0379.14
5.2.60.0090.0399.09
5.2.50.0060.0379.06
5.2.40.0080.0249.03
5.2.30.0030.0309.01
5.2.20.0050.0279.00
5.2.10.0060.0268.93
5.2.00.0050.0288.78
5.1.60.0030.0258.06
5.1.50.0060.0238.07
5.1.40.0040.0248.04
5.1.30.0070.0228.39
5.1.20.0030.0278.42
5.1.10.0050.0258.14
5.1.00.0040.0258.14
5.0.50.0050.0186.63
5.0.40.0030.0196.48
5.0.30.0060.0286.30
5.0.20.0040.0186.27
5.0.10.0030.0226.24
5.0.00.0010.0326.23
4.4.90.0000.0254.78
4.4.80.0040.0204.75
4.4.70.0030.0164.75
4.4.60.0040.0144.75
4.4.50.0010.0174.77
4.4.40.0060.0294.71
4.4.30.0040.0204.76
4.4.20.0040.0214.84
4.4.10.0060.0174.84
4.4.00.0030.0274.76
4.3.110.0040.0144.67
4.3.100.0040.0134.67
4.3.90.0020.0154.63
4.3.80.0010.0264.58
4.3.70.0010.0164.63
4.3.60.0020.0194.63
4.3.50.0030.0164.62
4.3.40.0010.0254.54
4.3.30.0030.0153.28
4.3.20.0020.0163.26
4.3.10.0030.0143.22
4.3.00.0000.02318.56

preferences:
38.96 ms | 401 KiB | 5 Q