3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Item { public static $c = 0; public $i; public function __construct() { $this->i = self::$c; self::$c += 1; } } $collection = new \SplDoublyLinkedList(); $collection->add(0, new Item()); $collection->add(1, new Item()); foreach ($collection as $i=>$item) { echo $i . ' ' . $item->i . "\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)
8.3.70.0080.00816.75
8.3.60.0070.00716.38
8.3.50.0090.01222.95
8.3.40.0070.00718.87
8.3.30.0100.00319.12
8.3.20.0040.00420.14
8.3.10.0040.00423.64
8.3.00.0050.00319.38
8.2.180.0000.01518.18
8.2.170.0150.00022.96
8.2.160.0000.01420.42
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00226.16
8.2.120.0000.00820.97
8.2.110.0030.00620.57
8.2.100.0040.00718.22
8.2.90.0000.00719.17
8.2.80.0050.00317.97
8.2.70.0030.00717.63
8.2.60.0040.00417.93
8.2.50.0080.00318.07
8.2.40.0060.00318.28
8.2.30.0070.00019.44
8.2.20.0040.00417.72
8.2.10.0040.00418.14
8.2.00.0050.00217.68
8.1.280.0110.00425.92
8.1.270.0040.00423.67
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0060.00323.97
8.1.230.0040.00719.00
8.1.220.0050.00317.75
8.1.210.0080.00018.77
8.1.200.0060.00617.23
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0070.00318.59
8.1.160.0000.00721.96
8.1.150.0070.00018.81
8.1.140.0040.00417.50
8.1.130.0000.00717.76
8.1.120.0040.00417.41
8.1.110.0080.00017.53
8.1.100.0000.00717.45
8.1.90.0040.00417.46
8.1.80.0000.00717.46
8.1.70.0030.00317.35
8.1.60.0000.00817.47
8.1.50.0040.00417.58
8.1.40.0060.00317.50
8.1.30.0000.00917.55
8.1.20.0020.00517.55
8.1.10.0030.00717.55
8.1.00.0000.00817.52
8.0.300.0000.00918.77
8.0.290.0040.00416.75
8.0.280.0030.00318.32
8.0.270.0030.00317.24
8.0.260.0030.00317.17
8.0.250.0030.00316.95
8.0.240.0050.00316.89
8.0.230.0000.00716.94
8.0.220.0070.00016.90
8.0.210.0030.00316.75
8.0.200.0000.00616.98
8.0.190.0000.00716.98
8.0.180.0000.00816.95
8.0.170.0040.00416.82
8.0.160.0030.00316.96
8.0.150.0040.00416.89
8.0.140.0000.00816.82
8.0.130.0030.00313.25
8.0.120.0040.00416.79
8.0.110.0000.00716.80
8.0.100.0040.00316.69
8.0.90.0000.00816.85
8.0.80.0100.00616.86
8.0.70.0040.00416.69
8.0.60.0080.00016.96
8.0.50.0070.00016.71
8.0.30.0100.00916.94
8.0.20.0080.01017.40
8.0.10.0070.00017.01
8.0.00.0090.00916.81
7.4.330.0000.00515.00
7.4.320.0030.00316.57
7.4.300.0030.00316.50
7.4.290.0070.00016.54
7.4.280.0030.00716.42
7.4.270.0030.00316.42
7.4.260.0030.00616.48
7.4.250.0000.00716.58
7.4.240.0030.00516.54
7.4.230.0000.00716.62
7.4.220.0060.02016.54
7.4.210.0060.00916.55
7.4.200.0030.00316.46
7.4.160.0100.01316.29
7.4.150.0120.00617.40
7.4.140.0080.00817.86
7.4.130.0090.00816.51
7.4.120.0140.00316.57
7.4.110.0110.00616.48
7.4.100.0140.00716.57
7.4.90.0100.00716.46
7.4.80.0080.01619.39
7.4.70.0110.00616.63
7.4.60.0040.01216.45
7.4.50.0030.00616.28
7.4.40.0130.00316.64
7.4.30.0030.01616.46
7.4.00.0070.00915.11
7.3.330.0020.00213.22
7.3.320.0000.00513.14
7.3.310.0000.00716.25
7.3.300.0000.00716.30
7.3.290.0070.00716.29
7.3.280.0080.00716.27
7.3.270.0120.00917.40
7.3.260.0100.00716.60
7.3.250.0120.00516.35
7.3.240.0030.01316.67
7.3.230.0060.01316.54
7.3.210.0070.01016.38
7.3.200.0090.00919.39
7.3.190.0120.00916.68
7.3.180.0030.01316.17
7.3.170.0070.01016.41
7.3.160.0100.01016.35
7.3.120.0120.00314.80
7.3.110.0030.01415.00
7.3.100.0060.01014.88
7.3.90.0000.01114.69
7.3.80.0000.01115.03
7.3.70.0090.00014.58
7.3.60.0070.01014.72
7.3.50.0090.00014.72
7.3.40.0070.00714.91
7.3.30.0000.01314.98
7.3.20.0050.00516.71
7.3.10.0060.00916.77
7.3.00.0050.00816.74
7.2.330.0090.00916.55
7.2.320.0060.01216.62
7.2.310.0160.00016.57
7.2.300.0120.00816.70
7.2.290.0030.01716.93
7.2.250.0130.00315.10
7.2.240.0100.00715.02
7.2.230.0050.00515.16
7.2.220.0040.01214.71
7.2.210.0030.01315.16
7.2.200.0060.00315.01
7.2.190.0030.01314.89
7.2.180.0070.00715.06
7.2.170.0040.00715.02
7.2.130.0000.01316.96
7.2.120.0090.00316.84
7.2.110.0110.00316.93
7.2.100.0030.00716.73
7.2.90.0060.00317.06
7.2.80.0030.01017.06
7.2.70.0100.00316.91
7.2.60.0060.01016.92
7.2.50.0100.00316.85
7.2.40.0130.00317.02
7.2.30.0070.00717.03
7.2.20.0070.01016.81
7.2.10.0050.00517.17
7.2.00.0060.00817.96
7.1.330.0060.01016.00
7.1.320.0000.01515.82
7.1.310.0100.00715.98
7.1.300.0060.00915.51
7.1.290.0080.00415.63
7.1.280.0040.00815.64
7.1.270.0030.00715.97
7.1.260.0000.01015.60
7.1.250.0030.00615.79
7.1.200.0060.00615.84
7.1.100.0030.00618.17
7.1.70.0000.01217.18
7.1.60.0130.01319.46
7.1.50.0060.01016.88
7.1.00.0030.03322.37
7.0.200.0000.01216.88
7.0.140.0000.07722.07
7.0.60.0100.08319.80
7.0.50.0130.04317.86
7.0.40.0100.04320.25
7.0.30.0300.05020.07
7.0.20.0130.07320.19
7.0.10.0200.07020.10
7.0.00.0070.05320.22
5.6.280.0030.07321.03
5.6.210.0130.08020.48
5.6.200.0070.05018.19
5.6.190.0100.06720.64
5.6.180.0200.05720.48
5.6.170.0100.05020.39
5.6.160.0100.05020.44
5.6.150.0000.07018.18
5.6.140.0000.04018.28
5.6.130.0070.08018.23
5.6.120.0000.06020.96
5.6.110.0130.07721.03
5.6.100.0130.05321.01
5.6.90.0100.08720.98
5.6.80.0030.06020.46
5.6.70.4200.04320.33
5.5.350.0100.08320.42
5.5.340.0070.04017.98
5.5.330.0130.05020.31
5.5.320.0270.07720.38
5.5.310.0270.05720.41
5.5.300.0100.05317.94
5.5.290.0030.04318.08
5.5.280.0070.08320.87
5.5.270.0100.04320.88
5.5.260.0130.06320.87
5.5.250.0070.05020.49
5.5.240.0270.07020.36
5.4.450.0230.03019.19
5.4.440.0430.03719.55
5.4.430.0500.04019.38
5.4.420.0300.04719.46
5.4.410.0170.04019.26
5.4.400.0300.04319.07
5.4.390.0200.03718.84
5.4.380.0200.06718.70
5.4.370.0300.06318.45
5.4.360.0430.05718.79
5.4.350.0470.05718.74
5.4.340.0430.05318.48
5.4.320.0050.03812.50
5.4.310.0060.03712.50
5.4.300.0050.03612.50
5.4.290.0090.03512.50
5.4.280.0040.03712.39
5.4.270.0050.03612.39
5.4.260.0030.04012.39
5.4.250.0060.03612.39
5.4.240.0030.03912.39
5.4.230.0070.03612.39
5.4.220.0110.03112.39
5.4.210.0060.03512.38
5.4.200.0030.03912.39
5.4.190.0090.04312.38
5.4.180.0060.03812.38
5.4.170.0080.04712.39
5.4.160.0060.04012.39
5.4.150.0080.03412.39
5.4.140.0020.04612.07
5.4.130.0040.03712.06
5.4.120.0030.03712.02
5.4.110.0050.03712.01
5.4.100.0070.03412.02
5.4.90.0050.03712.01
5.4.80.0060.03612.01
5.4.70.0060.03412.01
5.4.60.0040.03612.01
5.4.50.0070.03512.00
5.4.40.0030.03912.00
5.4.30.0040.03812.00
5.4.20.0050.03512.00
5.4.10.0060.04012.00
5.4.00.0060.03511.48
5.3.290.0090.03412.80
5.3.280.0040.03812.71
5.3.270.0040.04012.72
5.3.260.0020.04112.72
5.3.250.0050.03712.71
5.3.240.0040.03712.72
5.3.230.0050.03712.71
5.3.220.0040.03812.68
5.3.210.0090.03512.68
5.3.200.0070.03412.68
5.3.190.0060.03612.68
5.3.180.0030.03812.67
5.3.170.0060.03612.67
5.3.160.0060.03612.67
5.3.150.0110.03112.67
5.3.140.0040.03812.66
5.3.130.0070.03712.66
5.3.120.0050.03912.65
5.3.110.0100.03412.66
5.3.100.0040.03812.13
5.3.90.0030.03912.11
5.3.80.0020.04012.10
5.3.70.0040.03712.10
5.3.60.0040.03712.09
5.3.50.0050.03612.04
5.3.40.0040.03712.04
5.3.30.0050.03412.00
5.3.20.0060.03311.79
5.3.10.0070.03211.74
5.3.00.0050.03911.73
5.2.170.0080.0269.22
5.2.160.0040.0299.22
5.2.150.0040.0309.23
5.2.140.0040.0309.22
5.2.130.0030.0309.18
5.2.120.0040.0329.18
5.2.110.0040.0329.19
5.2.100.0080.0289.19
5.2.90.0040.0309.18
5.2.80.0030.0339.18
5.2.70.0020.0329.18
5.2.60.0040.0359.13
5.2.50.0040.0349.09
5.2.40.0030.0339.07
5.2.30.0050.0369.06
5.2.20.0080.0349.05
5.2.10.0060.0408.95
5.2.00.0080.0388.81
5.1.60.0070.0298.09
5.1.50.0050.0338.08
5.1.40.0050.0268.07
5.1.30.0080.0318.43
5.1.20.0040.0368.44
5.1.10.0080.0308.16
5.1.00.0050.0358.16
5.0.50.0020.0216.65
5.0.40.0040.0186.50
5.0.30.0020.0326.32
5.0.20.0040.0196.28
5.0.10.0030.0206.25
5.0.00.0010.0336.25
4.4.90.0040.0144.78
4.4.80.0040.0144.76
4.4.70.0010.0194.75
4.4.60.0040.0144.75
4.4.50.0010.0174.77
4.4.40.0050.0244.71
4.4.30.0010.0174.76
4.4.20.0040.0184.85
4.4.10.0030.0144.85
4.4.00.0000.0274.76
4.3.110.0020.0164.66
4.3.100.0020.0154.67
4.3.90.0000.0174.63
4.3.80.0030.0244.59
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0040.0144.63
4.3.40.0030.0234.54
4.3.30.0010.0173.30
4.3.20.0010.0173.28
4.3.10.0030.0153.24
4.3.00.0100.01018.56

preferences:
44.19 ms | 401 KiB | 5 Q