3v4l.org

run code in 300+ PHP versions simultaneously
<?php $subject = array( 'Mykey' => 'MyValue', 'MyOtherKey' => 'MyOtherValue' ); $magic = array_merge(...array_map(null, array_keys($subject), array_values($subject))); var_dump($magic);

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)
8.3.40.0080.01118.62
8.3.30.0040.01219.09
8.3.20.0070.00020.21
8.3.10.0070.00023.48
8.3.00.0040.00419.67
8.2.170.0120.00922.96
8.2.160.0090.00620.43
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0060.00322.16
8.2.110.0030.00619.39
8.2.100.0000.01117.72
8.2.90.0080.00017.75
8.2.80.0040.00418.66
8.2.70.0030.00617.91
8.2.60.0070.00017.80
8.2.50.0030.00618.10
8.2.40.0050.00320.47
8.2.30.0040.00417.84
8.2.20.0040.00417.62
8.2.10.0040.00417.71
8.2.00.0060.00317.65
8.1.270.0040.00423.91
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0070.00319.44
8.1.230.0110.00017.70
8.1.220.0080.00017.74
8.1.210.0060.00318.77
8.1.200.0040.00417.35
8.1.190.0050.00317.10
8.1.180.0000.00718.10
8.1.170.0000.00818.55
8.1.160.0070.00022.23
8.1.150.0000.00818.44
8.1.140.0070.00017.25
8.1.130.0050.00317.69
8.1.120.0000.00717.39
8.1.110.0000.00717.42
8.1.100.0000.00717.23
8.1.90.0020.00517.29
8.1.80.0020.00517.29
8.1.70.0070.00017.32
8.1.60.0080.00017.43
8.1.50.0080.00017.29
8.1.40.0000.00817.48
8.1.30.0030.00617.47
8.1.20.0040.00417.54
8.1.10.0000.00717.31
8.1.00.0040.00417.27
8.0.300.0000.00718.77
8.0.290.0000.00816.63
8.0.280.0050.00318.37
8.0.270.0030.00617.18
8.0.260.0060.00316.60
8.0.250.0040.00416.76
8.0.240.0030.00316.89
8.0.230.0030.00316.90
8.0.220.0030.00316.70
8.0.210.0030.00316.84
8.0.200.0000.00716.87
8.0.190.0040.00416.82
8.0.180.0040.00416.75
8.0.170.0040.00416.76
8.0.160.0030.00316.71
8.0.150.0030.00316.78
8.0.140.0050.00216.68
8.0.130.0030.00313.29
8.0.120.0040.00416.74
8.0.110.0000.00816.79
8.0.100.0040.00416.72
8.0.90.0000.00816.64
8.0.80.0030.01316.78
8.0.70.0000.00716.84
8.0.60.0030.00616.68
8.0.50.0040.00416.72
8.0.30.0090.00916.89
8.0.20.0100.00817.40
8.0.10.0000.00816.98
8.0.00.0130.00516.67
7.4.330.0050.00015.09
7.4.320.0030.00316.45
7.4.300.0000.00716.45
7.4.290.0080.00016.44
7.4.280.0070.00016.52
7.4.270.0070.00016.55
7.4.260.0070.00016.51
7.4.250.0050.00316.43
7.4.240.0070.00016.53
7.4.230.0070.00016.41
7.4.220.0120.00616.55
7.4.210.0060.01116.49
7.4.200.0030.00316.34
7.4.190.0040.00416.47
7.4.160.0030.01316.36
7.4.150.0090.01317.40
7.4.140.0110.00717.86
7.4.130.0090.00816.34
7.4.120.0090.00916.42
7.4.110.0120.00616.51
7.4.100.0190.01016.41
7.4.90.0060.01116.29
7.4.80.0080.01116.44
7.4.70.0080.00816.39
7.4.60.0120.01116.39
7.4.50.0040.00416.13
7.4.40.0130.00322.77
7.4.30.0100.00716.36
7.4.00.0030.01514.73
7.3.330.0000.00512.98
7.3.320.0000.00512.88
7.3.310.0050.00216.14
7.3.300.0000.00616.15
7.3.290.0000.01416.09
7.3.280.0090.00816.13
7.3.270.0070.01017.40
7.3.260.0090.01216.25
7.3.250.0110.01016.35
7.3.240.0050.01116.52
7.3.230.0080.00816.39
7.3.210.0080.01116.33
7.3.200.0180.00019.39
7.3.190.0160.00316.52
7.3.180.0070.01016.11
7.3.170.0120.01016.27
7.3.160.0140.01016.13
7.3.120.0030.01314.80
7.3.10.0500.00716.68
7.3.00.0600.00716.70
7.2.330.0000.01816.25
7.2.320.0140.00316.29
7.2.310.0090.01616.23
7.2.300.0090.01216.31
7.2.290.0030.01316.44
7.2.130.0290.00716.52
7.2.120.0360.01016.43
7.2.110.0450.00316.80
7.2.100.0250.01416.76
7.2.90.0320.00616.57
7.2.80.0490.00716.48
7.2.70.0380.00616.58
7.2.60.0270.00016.06
7.2.50.0300.01016.52
7.2.40.0140.00316.57
7.2.30.0130.00316.71
7.2.20.0100.00716.26
7.2.10.0320.00016.36
7.2.00.0040.01116.52
7.1.250.0490.01015.69
7.1.70.0000.00917.10
7.1.60.0130.01019.29
7.1.50.0100.01416.84
7.1.00.0030.07722.33
7.0.200.0070.00016.68
7.0.140.0030.07322.13
7.0.60.0030.04319.90
7.0.50.0030.05317.80
7.0.40.0030.04720.35
7.0.30.0300.04320.02
7.0.20.0470.06720.18
7.0.10.0100.08720.20
7.0.00.0030.04320.04
5.6.280.0000.08021.11
5.6.210.0100.07720.66
5.6.200.0000.07318.17
5.6.190.0070.05720.35
5.6.180.0270.08020.73
5.6.170.0170.04020.48
5.6.160.0100.08320.32
5.6.150.0030.07718.22
5.6.140.0070.08018.11
5.6.130.0070.06718.11
5.6.120.0030.06721.01
5.6.110.0070.04021.02
5.6.100.0100.05720.96
5.6.90.0030.05721.02
5.6.80.0200.06720.50
5.5.350.0000.08320.37
5.5.340.0030.04017.95
5.5.330.0170.07320.41
5.5.320.0070.04320.38
5.5.310.0300.08020.37
5.5.300.0170.07018.08
5.5.290.0170.06017.99
5.5.280.0170.07720.79
5.5.270.0100.07020.88
5.5.260.0170.07720.79
5.5.250.0100.07020.54
5.5.240.3330.04020.03
5.4.450.0900.03719.49
5.4.440.0400.05019.57
5.4.430.0900.04019.38
5.4.420.0370.04719.47
5.4.410.1370.04319.05
5.4.400.0700.02319.25
5.4.390.0300.03019.00
5.4.380.0430.05018.75
5.4.370.0400.05718.50
5.4.360.0330.05018.46
5.4.350.0370.05318.82
5.4.340.0400.05018.79
5.4.320.0040.03812.50
5.4.310.0090.03512.49
5.4.300.0060.03612.50
5.4.290.0050.04012.49
5.4.280.0050.03712.39
5.4.270.0090.03812.36
5.4.260.0060.04912.36
5.4.250.0070.04412.36
5.4.240.0050.03912.36
5.4.230.0070.03612.36
5.4.220.0080.03412.36
5.4.210.0040.03812.35
5.4.200.0040.04012.35
5.4.190.0050.03912.35
5.4.180.0070.03612.35
5.4.170.0080.03412.36
5.4.160.0060.03612.35
5.4.150.0070.03712.34
5.4.140.0080.04412.04
5.4.130.0070.04612.02
5.4.120.0090.04811.98
5.4.110.0100.04711.98
5.4.100.0110.04211.98
5.4.90.0080.04911.98
5.4.80.0080.04111.98
5.4.70.0070.03711.98
5.4.60.0100.04211.98
5.4.50.0110.04711.97
5.4.40.0100.03311.97
5.4.30.0070.03511.96
5.4.20.0080.03911.96
5.4.10.0090.03211.96
5.4.00.0080.03511.45
5.3.290.0070.03912.80
5.3.280.0060.03812.71
5.3.270.0090.03712.72
5.3.260.0060.04312.72
5.3.250.0060.04912.72
5.3.240.0040.04512.72
5.3.230.0060.03812.71
5.3.220.0060.04012.68
5.3.210.0040.04212.68
5.3.200.0050.04112.68
5.3.190.0080.03612.68
5.3.180.0100.03112.67
5.3.170.0060.03712.67
5.3.160.0050.04112.68
5.3.150.0080.03912.67
5.3.140.0090.03712.66
5.3.130.0090.04312.66
5.3.120.0080.03812.66
5.3.110.0080.03912.66
5.3.100.0090.03812.12
5.3.90.0040.04312.09
5.3.80.0050.03712.07
5.3.70.0080.03512.08
5.3.60.0070.04112.06
5.3.50.0080.03712.00
5.3.40.0070.03812.00
5.3.30.0050.03811.94
5.3.20.0090.03811.70
5.3.10.0070.04711.66
5.3.00.0090.04711.64
5.2.170.0050.0359.15
5.2.160.0030.0339.15
5.2.150.0060.0309.15
5.2.140.0070.0289.15
5.2.130.0060.0289.11
5.2.120.0050.0289.11
5.2.110.0060.0319.11
5.2.100.0070.0379.12
5.2.90.0050.0399.11
5.2.80.0090.0369.11
5.2.70.0050.0399.10
5.2.60.0070.0389.06
5.2.50.0060.0399.03
5.2.40.0080.0329.00
5.2.30.0070.0278.98
5.2.20.0040.0298.96
5.2.10.0060.0268.89
5.2.00.0030.0318.75
5.1.60.0060.0298.04
5.1.50.0070.0258.04
5.1.40.0040.0258.02
5.1.30.0050.0268.36
5.1.20.0060.0278.40
5.1.10.0030.0328.11
5.1.00.0030.0278.12
5.0.50.0040.0216.59
5.0.40.0030.0206.45
5.0.30.0070.0296.27
5.0.20.0030.0206.24
5.0.10.0030.0206.21
5.0.00.0040.0306.20
4.4.90.0020.0164.78
4.4.80.0020.0164.76
4.4.70.0040.0204.75
4.4.60.0020.0174.75
4.4.50.0030.0154.77
4.4.40.0010.0274.71
4.4.30.0050.0134.76
4.4.20.0020.0174.85
4.4.10.0020.0164.85
4.4.00.0050.0224.76
4.3.110.0030.0224.67
4.3.100.0030.0154.66
4.3.90.0030.0144.64
4.3.80.0020.0254.58
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0050.0234.54
4.3.30.0030.0163.27
4.3.20.0040.0153.25
4.3.10.0020.0163.22
4.3.00.0170.01313.14

preferences:
47.61 ms | 400 KiB | 5 Q