3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [[1,2], [2,3], [3,4]]; foreach ($a as $k => list($b, $c)) { echo "$k => $b, $c\n"; }

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)
8.3.40.0000.01418.63
8.3.30.0100.00319.09
8.3.20.0000.00720.34
8.3.10.0000.00823.68
8.3.00.0050.00519.38
8.2.170.0140.00022.96
8.2.160.0070.00720.53
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0050.00520.49
8.2.110.0030.00620.48
8.2.100.0040.00817.97
8.2.90.0060.00317.97
8.2.80.0030.00617.97
8.2.70.0030.00617.50
8.2.60.0040.00417.91
8.2.50.0060.00318.07
8.2.40.0040.00419.95
8.2.30.0050.00218.15
8.2.20.0000.00717.73
8.2.10.0040.00418.18
8.2.00.0040.00417.64
8.1.270.0040.00422.05
8.1.260.0080.00026.35
8.1.250.0070.00728.09
8.1.240.0040.00421.84
8.1.230.0070.00320.80
8.1.220.0060.00317.74
8.1.210.0080.00019.03
8.1.200.0060.00317.35
8.1.190.0080.00017.23
8.1.180.0090.00018.10
8.1.170.0030.00618.48
8.1.160.0000.00721.95
8.1.150.0040.00418.88
8.1.140.0040.00417.40
8.1.130.0020.00517.76
8.1.120.0000.00717.43
8.1.110.0070.00017.52
8.1.100.0000.00817.32
8.1.90.0000.00717.46
8.1.80.0040.00417.38
8.1.70.0030.00317.39
8.1.60.0060.00317.58
8.1.50.0000.00817.60
8.1.40.0040.00417.57
8.1.30.0080.00017.60
8.1.20.0050.00317.70
8.1.10.0000.00817.48
8.1.00.0000.00717.56
8.0.300.0040.00420.12
8.0.290.0070.00016.63
8.0.280.0070.00018.39
8.0.270.0030.00317.30
8.0.260.0060.00317.22
8.0.250.0030.00316.83
8.0.240.0080.00017.00
8.0.230.0070.00016.83
8.0.220.0070.00016.96
8.0.210.0070.00016.84
8.0.200.0000.00616.98
8.0.190.0040.00416.84
8.0.180.0040.00416.93
8.0.170.0040.00416.94
8.0.160.0070.00016.81
8.0.150.0000.00716.77
8.0.140.0000.00716.78
8.0.130.0030.00313.30
8.0.120.0000.00816.86
8.0.110.0040.00416.81
8.0.100.0000.00716.75
8.0.90.0040.00416.78
8.0.80.0060.00916.84
8.0.70.0060.00317.00
8.0.60.0000.00816.91
8.0.50.0060.00316.95
8.0.30.0130.01117.02
8.0.20.0070.01517.40
8.0.10.0050.00316.89
8.0.00.0090.01316.74
7.4.330.0000.00515.02
7.4.320.0060.00016.53
7.4.300.0000.00616.68
7.4.290.0030.00316.55
7.4.280.0030.00316.52
7.4.270.0030.00316.60
7.4.260.0000.00716.63
7.4.250.0070.00016.61
7.4.240.0030.00416.52
7.4.230.0000.00716.68
7.4.220.0170.00316.64
7.4.210.0070.00716.48
7.4.200.0070.00016.32
7.4.160.0060.00916.50
7.4.150.0190.00317.40
7.4.140.0100.01117.86
7.4.130.0080.00916.49
7.4.120.0070.00916.45
7.4.110.0070.01016.55
7.4.100.0080.01016.46
7.4.90.0140.00316.64
7.4.80.0070.01019.39
7.4.70.0120.00916.33
7.4.60.0030.01316.39
7.4.50.0000.00416.54
7.4.40.0140.00316.37
7.4.30.0070.01016.47
7.4.00.0030.01415.05
7.3.330.0000.00513.18
7.3.320.0000.00513.06
7.3.310.0070.00016.29
7.3.300.0070.00016.35
7.3.290.0110.00416.35
7.3.280.0070.01116.35
7.3.270.0110.01117.40
7.3.260.0170.00016.41
7.3.250.0100.00716.37
7.3.240.0120.00616.45
7.3.230.0160.00316.39
7.3.210.0080.00816.29
7.3.200.0120.00619.39
7.3.190.0060.01116.36
7.3.180.0110.00516.38
7.3.170.0140.00716.43
7.3.160.0030.01216.59
7.2.330.0130.00616.61
7.2.320.0070.01016.73
7.2.310.0100.00616.51
7.2.300.0210.00316.50
7.2.290.0050.01216.70
7.2.60.0100.00617.04
7.2.50.0090.00316.85
7.2.00.0090.00619.43
7.1.200.0060.00615.98
7.1.100.0040.01118.23
7.1.70.0030.00717.29
7.1.60.0100.01419.32
7.1.50.0120.01216.77
7.1.00.0030.07722.51
7.0.200.0000.00916.57
7.0.140.0030.07322.00
7.0.60.0100.08319.95
7.0.50.0130.03317.80
7.0.40.0070.04320.00
7.0.30.0500.05020.02
7.0.20.0330.07019.99
7.0.10.0170.05320.04
7.0.00.0070.08020.20
5.6.280.0100.06720.80
5.6.210.0070.06720.53
5.6.200.0130.07318.13
5.6.190.0030.05020.41
5.6.180.0330.08020.43
5.6.170.0200.03720.41
5.6.160.0030.09020.38
5.6.150.0100.07718.11
5.6.140.0070.04318.18
5.6.130.0070.08318.16
5.6.120.0170.07720.96
5.6.110.0070.04021.11
5.6.100.0130.08320.93
5.6.90.0130.07721.10
5.6.80.0130.07320.59
5.6.70.4200.03720.39
5.5.350.0100.08020.52
5.5.340.0070.08318.02
5.5.330.0200.06320.06
5.5.320.0270.03720.20
5.5.310.0130.05320.13
5.5.300.0070.05317.98
5.5.290.0130.08018.02
5.5.280.0030.04320.89
5.5.270.0100.08320.95
5.5.260.0070.09020.88
5.5.250.0030.04320.46
5.5.240.0200.04320.14
5.4.450.0230.07719.48
5.4.440.0330.05719.16
5.4.430.0770.05719.45
5.4.420.0070.06319.70
5.4.410.0200.05019.05
5.4.400.0330.04718.78
5.4.390.0300.06319.06
5.4.380.0230.05019.26
5.4.370.0200.04719.30
5.4.360.0630.05319.29
5.4.350.0470.08318.88
5.4.340.0100.03012.00
5.4.320.0090.04012.50
5.4.310.0040.04112.49
5.4.300.0050.03912.50
5.4.290.0100.03612.50
5.4.280.0060.03612.39
5.4.270.0080.03312.39
5.4.260.0040.04112.39
5.4.250.0070.03712.39
5.4.240.0050.03612.39
5.4.230.0080.03512.38
5.4.220.0070.03512.38
5.4.210.0060.03512.38
5.4.200.0050.03912.38
5.4.190.0080.03512.38
5.4.180.0080.03412.38
5.4.170.0080.03512.39
5.4.160.0090.03412.38
5.4.150.0080.03312.38
5.4.140.0090.03312.07
5.4.130.0050.03612.05
5.4.120.0090.03312.01
5.4.110.0060.03512.01
5.4.100.0060.03512.01
5.4.90.0030.03912.01
5.4.80.0050.03712.01
5.4.70.0060.03512.01
5.4.60.0050.03512.00
5.4.50.0060.03412.00
5.4.40.0060.03612.00
5.4.30.0100.03311.99
5.4.20.0080.03311.99
5.4.10.0060.03611.99
5.4.00.0040.03811.48
5.3.290.0080.03612.80
5.3.280.0070.03612.71
5.3.270.0060.03712.72
5.3.260.0080.03712.72
5.3.250.0060.03712.71
5.3.240.0040.04012.71
5.3.230.0060.03712.71
5.3.220.0080.03412.68
5.3.210.0100.04212.68
5.3.200.0070.04812.68
5.3.190.0070.03612.68
5.3.180.0100.03212.67
5.3.170.0070.03512.67
5.3.160.0030.03912.68
5.3.150.0080.03512.67
5.3.140.0070.03512.66
5.3.130.0060.03812.66
5.3.120.0050.04012.66
5.3.110.0060.03912.66
5.3.100.0050.03712.11
5.3.90.0070.03512.08
5.3.80.0030.03912.08
5.3.70.0060.03612.07
5.3.60.0040.03812.06
5.3.50.0080.03512.00
5.3.40.0050.03912.00
5.3.30.0100.03111.95
5.3.20.0060.03511.72
5.3.10.0080.03611.70
5.3.00.0100.03911.68
5.2.170.0100.0319.18
5.2.160.0050.0309.18
5.2.150.0020.0329.18
5.2.140.0040.0319.18
5.2.130.0060.0279.14
5.2.120.0030.0309.14
5.2.110.0050.0309.15
5.2.100.0060.0279.14
5.2.90.0100.0269.14
5.2.80.0030.0349.14
5.2.70.0030.0329.14
5.2.60.0050.0309.09
5.2.50.0030.0329.06
5.2.40.0060.0279.03
5.2.30.0040.0309.02
5.2.20.0040.0299.00
5.2.10.0010.0318.93
5.2.00.0050.0278.79
5.1.60.0040.0248.06
5.1.50.0040.0248.06
5.1.40.0050.0248.05
5.1.30.0040.0258.40
5.1.20.0030.0278.41
5.1.10.0080.0218.14
5.1.00.0050.0248.14
5.0.50.0020.0216.62
5.0.40.0040.0186.48
5.0.30.0020.0326.29
5.0.20.0040.0186.27
5.0.10.0030.0206.24
5.0.00.0030.0306.23
4.4.90.0010.0174.78
4.4.80.0020.0164.75
4.4.70.0020.0174.75
4.4.60.0030.0214.75
4.4.50.0060.0154.77
4.4.40.0010.0264.71
4.4.30.0010.0174.76
4.4.20.0020.0164.85
4.4.10.0020.0174.84
4.4.00.0020.0264.76
4.3.110.0020.0164.66
4.3.100.0010.0164.67
4.3.90.0020.0154.63
4.3.80.0030.0244.58
4.3.70.0060.0114.63
4.3.60.0040.0134.63
4.3.50.0020.0164.63
4.3.40.0040.0234.54
4.3.30.0040.0143.28
4.3.20.0020.0173.26
4.3.10.0040.0153.21
4.3.00.0070.0206.86

preferences:
59.94 ms | 400 KiB | 5 Q