3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [['a' => 'aa', 'b' => 'bb'], ['a' => 'aa2', 'b' => 'bb2']]; foreach ($arr as list($a, $b)) { var_dump([$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)
8.3.60.0150.00618.43
8.3.50.0130.00622.09
8.3.40.0140.00318.49
8.3.30.0040.01118.97
8.3.20.0080.00020.16
8.3.10.0000.00823.58
8.3.00.0070.00020.73
8.2.180.0110.00416.75
8.2.170.0110.00422.96
8.2.160.0070.00722.31
8.2.150.0040.00424.18
8.2.140.0050.00524.66
8.2.130.0000.00826.16
8.2.120.0050.00322.07
8.2.110.0050.00322.25
8.2.100.0090.00317.72
8.2.90.0050.00319.20
8.2.80.0080.00017.97
8.2.70.0000.00817.63
8.2.60.0000.00817.92
8.2.50.0000.00918.07
8.2.40.0000.00819.28
8.2.30.0070.00018.18
8.2.20.0050.00217.68
8.2.10.0000.00819.47
8.2.00.0040.00417.77
8.1.280.0100.00325.92
8.1.270.0000.00923.91
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00323.86
8.1.230.0050.00519.16
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0000.00817.30
8.1.180.0040.00418.10
8.1.170.0050.00318.35
8.1.160.0040.00421.92
8.1.150.0050.00218.59
8.1.140.0000.00817.48
8.1.130.0080.00017.80
8.1.120.0030.00317.35
8.1.110.0020.00517.45
8.1.100.0000.00717.44
8.1.90.0000.00717.48
8.1.80.0030.00317.46
8.1.70.0080.00017.34
8.1.60.0040.00417.59
8.1.50.0040.00417.50
8.1.40.0030.00517.58
8.1.30.0040.00417.55
8.1.20.0040.00417.55
8.1.10.0050.00317.42
8.1.00.0060.00317.48
8.0.300.0000.00718.77
8.0.290.0000.00817.18
8.0.280.0040.00418.45
8.0.270.0030.00317.16
8.0.260.0030.00316.79
8.0.250.0080.00016.97
8.0.240.0030.00617.02
8.0.230.0070.00017.04
8.0.220.0030.00316.86
8.0.210.0030.00316.98
8.0.200.0060.00016.89
8.0.190.0040.00417.00
8.0.180.0000.00716.85
8.0.170.0040.00416.98
8.0.160.0030.00616.99
8.0.150.0030.00516.94
8.0.140.0000.00716.91
8.0.130.0000.00513.44
8.0.120.0000.00816.94
8.0.110.0040.00416.78
8.0.100.0040.00416.79
8.0.90.0070.00017.01
8.0.80.0090.00616.99
8.0.70.0000.00716.80
8.0.60.0020.00516.98
8.0.50.0000.00716.83
8.0.30.0110.00817.00
8.0.20.0140.00617.40
8.0.10.0000.00717.11
8.0.00.0170.00316.64
7.4.330.0050.00015.15
7.4.320.0000.00716.41
7.4.300.0000.00616.56
7.4.290.0070.00016.58
7.4.280.0050.00216.53
7.4.270.0030.00316.48
7.4.260.0000.00716.58
7.4.250.0000.00716.46
7.4.240.0030.00416.57
7.4.230.0040.00416.59
7.4.220.0110.00716.67
7.4.210.0060.00916.60
7.4.200.0030.00316.65
7.4.190.0030.00316.73
7.4.160.0160.00316.52
7.4.150.0040.01417.40
7.4.140.0120.00617.86
7.4.130.0070.01016.40
7.4.120.0090.00716.62
7.4.110.0060.01216.55
7.4.100.0130.00416.52
7.4.90.0090.00916.50
7.4.80.0070.01016.64
7.4.70.0070.01316.57
7.4.60.0140.00716.48
7.4.50.0030.00616.50
7.4.40.0120.00422.77
7.4.30.0110.00616.48
7.4.00.0120.00014.75
7.3.330.0020.00213.13
7.3.320.0030.00313.29
7.3.310.0040.00416.52
7.3.300.0060.00016.37
7.3.290.0070.00716.35
7.3.280.0060.01016.34
7.3.270.0140.00317.40
7.3.260.0090.01216.33
7.3.250.0120.01016.50
7.3.240.0070.01416.29
7.3.230.0080.01216.39
7.3.210.0110.00616.37
7.3.200.0090.00719.39
7.3.190.0140.00916.64
7.3.180.0060.00916.21
7.3.170.0040.01416.48
7.3.160.0060.01316.44
7.3.120.0110.00414.58
7.2.330.0040.01516.43
7.2.320.0110.00716.65
7.2.310.0150.00916.69
7.2.300.0030.01516.66
7.2.290.0060.00916.52
7.2.60.0060.01016.81
7.2.00.0040.01119.50
7.1.200.0030.01015.68
7.1.100.0140.00318.09
7.1.70.0000.00817.07
7.1.60.0070.01819.29
7.1.50.0120.00916.96
7.1.00.0000.07722.48
7.0.200.0080.00416.62
7.0.140.0030.07322.15
7.0.60.0100.08019.78
7.0.50.0070.04317.89
7.0.40.0130.07720.05
7.0.30.0270.08720.17
7.0.20.0300.07720.04
7.0.10.0030.09020.09
7.0.00.0030.08720.18
5.6.280.0030.07321.11
5.6.210.0270.06020.76
5.6.200.0070.07318.18
5.6.190.0100.03720.42
5.6.180.0170.05720.41
5.6.170.0330.07020.47
5.6.160.0030.04320.37
5.6.150.0070.03718.14
5.6.140.0000.06018.21
5.6.130.0070.04018.23
5.6.120.0000.07721.13
5.6.110.0070.06320.97
5.6.100.0070.07020.98
5.6.90.0130.05721.02
5.6.80.0200.06020.50
5.6.70.3330.02720.42
5.5.350.0030.07020.35
5.5.340.0070.08018.02
5.5.330.0030.04720.41
5.5.320.0130.07720.29
5.5.310.0330.04720.24
5.5.300.0100.07717.91
5.5.290.0170.07717.95
5.5.280.0000.08320.82
5.5.270.0130.05720.96
5.5.260.0130.07720.64
5.5.250.0070.08020.69
5.5.240.0270.07720.20
5.4.450.0230.06019.55
5.4.440.0800.08319.48
5.4.430.0200.05319.57
5.4.420.0630.00019.50
5.4.410.0200.04718.81
5.4.400.0200.05718.75
5.4.390.0300.04718.75
5.4.380.0270.07718.56
5.4.370.0000.04718.70
5.4.360.0030.04318.62
5.4.350.0050.04212.01
5.4.340.0070.03312.01
5.4.320.0060.03612.50
5.4.310.0060.03812.50
5.4.300.0050.04912.49
5.4.290.0060.04712.50
5.4.280.0090.03612.39
5.4.270.0080.03812.39
5.4.260.0090.04712.39
5.4.250.0070.05212.39
5.4.240.0060.03712.36
5.4.230.0060.03912.35
5.4.220.0050.03712.35
5.4.210.0040.04012.36
5.4.200.0060.03912.36
5.4.190.0110.03312.35
5.4.180.0040.04612.35
5.4.170.0030.04112.36
5.4.160.0050.03712.35
5.4.150.0050.03712.35
5.4.140.0060.04212.04
5.4.130.0070.03912.02
5.4.120.0050.03511.98
5.4.110.0080.03811.98
5.4.100.0070.04411.98
5.4.90.0070.03811.98
5.4.80.0070.04611.98
5.4.70.0090.04011.97
5.4.60.0040.04711.98
5.4.50.0080.04011.98
5.4.40.0060.03511.96
5.4.30.0070.03411.96
5.4.20.0070.03411.95
5.4.10.0040.03811.96
5.4.00.0080.04811.45
5.3.290.0060.04112.80
5.3.280.0050.04012.71
5.3.270.0060.04112.72
5.3.260.0070.04012.72
5.3.250.0060.03612.72
5.3.240.0060.03812.71
5.3.230.0060.03712.70
5.3.220.0030.03912.68
5.3.210.0040.04312.68
5.3.200.0090.03312.68
5.3.190.0050.04512.68
5.3.180.0050.04112.68
5.3.170.0040.03712.67
5.3.160.0090.03712.67
5.3.150.0030.04012.67
5.3.140.0080.03812.66
5.3.130.0060.04112.66
5.3.120.0040.04012.66
5.3.110.0110.03612.66
5.3.100.0060.04412.12
5.3.90.0050.04112.08
5.3.80.0040.03712.07
5.3.70.0020.03912.08
5.3.60.0030.03912.07
5.3.50.0050.03612.00
5.3.40.0060.04412.00
5.3.30.0060.03411.94
5.3.20.0080.04211.70
5.3.10.0060.03411.66
5.3.00.0070.03411.64
5.2.170.0050.0309.15
5.2.160.0030.0299.15
5.2.150.0040.0319.15
5.2.140.0060.0299.14
5.2.130.0060.0309.11
5.2.120.0040.0349.11
5.2.110.0050.0349.12
5.2.100.0040.0289.11
5.2.90.0100.0289.11
5.2.80.0070.0309.10
5.2.70.0020.0339.09
5.2.60.0030.0329.05
5.2.50.0030.0329.03
5.2.40.0040.0339.00
5.2.30.0030.0328.97
5.2.20.0090.0258.97
5.2.10.0040.0288.88
5.2.00.0060.0288.74
5.1.60.0050.0238.03
5.1.50.0010.0338.04
5.1.40.0030.0258.02
5.1.30.0080.0228.36
5.1.20.0040.0298.39
5.1.10.0030.0278.12
5.1.00.0040.0308.11
5.0.50.0020.0216.59
5.0.40.0020.0206.45
5.0.30.0030.0316.27
5.0.20.0050.0176.23
5.0.10.0040.0236.21
5.0.00.0050.0296.20
4.4.90.0030.0204.78
4.4.80.0050.0194.75
4.4.70.0010.0214.76
4.4.60.0040.0164.75
4.4.50.0000.0174.77
4.4.40.0020.0254.71
4.4.30.0050.0174.76
4.4.20.0020.0174.84
4.4.10.0040.0194.85
4.4.00.0030.0254.75
4.3.110.0020.0224.67
4.3.100.0020.0154.66
4.3.90.0030.0144.63
4.3.80.0030.0294.58
4.3.70.0040.0194.63
4.3.60.0020.0154.63
4.3.50.0040.0144.63
4.3.40.0030.0244.53
4.3.30.0020.0193.27
4.3.20.0010.0163.25
4.3.10.0010.0163.20
4.3.00.0100.0236.82

preferences:
49.88 ms | 400 KiB | 5 Q