3v4l.org

run code in 300+ PHP versions simultaneously
<?php //Source: https://bugs.php.net/bug.php?id=67538 $list = new SplDoublyLinkedList(); $list->push('a'); $list->push('b'); $list->rewind(); $list->offsetUnset(0); $list->push('c'); $list->offsetUnset(0); $list->next();

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)
8.3.60.0100.01018.30
8.3.50.0090.00521.98
8.3.40.0090.00918.77
8.3.30.0140.00418.68
8.3.20.0080.00020.16
8.3.10.0090.00023.34
8.3.00.0000.00819.43
8.2.180.0090.00916.63
8.2.170.0110.00322.96
8.2.160.0030.01020.44
8.2.150.0040.00424.18
8.2.140.0030.01324.66
8.2.130.0070.00026.16
8.2.120.0080.00819.18
8.2.110.0080.00022.15
8.2.100.0080.00318.03
8.2.90.0080.00019.09
8.2.80.0040.00417.97
8.2.70.0000.00817.50
8.2.60.0070.00017.93
8.2.50.0030.00618.07
8.2.40.0040.00418.22
8.2.30.0070.00018.12
8.2.20.0030.00617.66
8.2.10.0000.00718.05
8.2.00.0050.00317.65
8.1.280.0080.00825.92
8.1.270.0040.00424.02
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0030.00623.87
8.1.230.0060.00619.28
8.1.220.0070.00017.74
8.1.210.0040.00418.77
8.1.200.0030.00617.25
8.1.190.0040.00417.11
8.1.180.0040.00418.10
8.1.170.0040.00418.55
8.1.160.0030.00621.85
8.1.150.0040.00418.72
8.1.140.0050.00317.34
8.1.130.0040.00417.67
8.1.120.0030.00617.29
8.1.110.0040.00417.29
8.1.100.0000.00717.26
8.1.90.0050.00217.39
8.1.80.0000.00717.41
8.1.70.0030.00317.39
8.1.60.0030.00517.40
8.1.50.0040.00417.41
8.1.40.0040.00417.49
8.1.30.0030.00517.60
8.1.20.0000.00817.48
8.1.10.0000.00717.54
8.1.00.0080.00317.36
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0040.00418.26
8.0.270.0000.00717.19
8.0.260.0030.00317.14
8.0.250.0000.00916.88
8.0.240.0000.00716.92
8.0.230.0030.00316.81
8.0.220.0040.00416.78
8.0.210.0040.00416.82
8.0.200.0050.00316.79
8.0.190.0040.00416.92
8.0.180.0030.00716.73
8.0.170.0050.00316.73
8.0.160.0050.00316.88
8.0.150.0000.00716.65
8.0.140.0040.00416.78
8.0.130.0030.00313.21
8.0.120.0030.00516.74
8.0.110.0070.00016.71
8.0.100.0000.00716.88
8.0.90.0000.00716.72
8.0.80.0130.01016.78
8.0.70.0030.00516.67
8.0.60.0040.00416.77
8.0.50.0000.00816.62
8.0.30.0130.01117.06
8.0.20.0110.00817.40
8.0.10.0030.00517.00
8.0.00.0070.01016.65
7.4.330.0050.00015.03
7.4.320.0060.00016.33
7.4.300.0030.00316.34
7.4.290.0070.00016.42
7.4.280.0000.00716.44
7.4.270.0070.00016.36
7.4.260.0060.00316.54
7.4.250.0050.00316.41
7.4.240.0030.00416.49
7.4.230.0030.00316.23
7.4.220.0100.01716.47
7.4.210.0120.00416.54
7.4.200.0000.00716.53
7.4.160.0060.00916.32
7.4.150.0100.01017.40
7.4.140.0110.00717.86
7.4.130.0120.00816.39
7.4.120.0120.00816.41
7.4.110.0100.01316.21
7.4.100.0090.00916.25
7.4.90.0140.00316.34
7.4.80.0030.01519.39
7.4.70.0130.00316.34
7.4.60.0110.00516.43
7.4.50.0030.00616.22
7.4.40.0090.01316.35
7.4.30.0100.00716.40
7.4.00.0050.01114.57
7.3.330.0060.00013.06
7.3.320.0020.00213.12
7.3.310.0000.00615.98
7.3.300.0060.00316.04
7.3.290.0110.00716.16
7.3.280.0100.00916.11
7.3.270.0170.00317.40
7.3.260.0140.00516.19
7.3.250.0080.00916.37
7.3.240.0030.01516.22
7.3.230.0090.00916.39
7.3.210.0070.01016.44
7.3.200.0130.00319.39
7.3.190.0060.01116.14
7.3.180.0080.01216.31
7.3.170.0090.00616.34
7.3.160.0080.00816.41
7.3.120.0100.00414.63
7.3.110.0070.01014.72
7.3.100.0030.00614.91
7.3.90.0030.01014.82
7.3.80.0150.00314.61
7.3.70.0070.00714.45
7.3.60.0060.00614.73
7.3.50.0030.00614.57
7.3.40.0080.00314.71
7.3.30.0090.00614.75
7.3.20.0060.00616.62
7.3.10.0060.00916.60
7.3.00.0110.00416.70
7.2.330.0130.01316.54
7.2.320.0030.01316.55
7.2.310.0080.00916.50
7.2.300.0070.01016.60
7.2.290.0090.01216.39
7.2.250.0040.01514.53
7.2.240.0150.00415.08
7.2.230.0120.00314.98
7.2.220.0060.00314.72
7.2.210.0060.00914.92
7.2.200.0070.00714.84
7.2.190.0000.01614.79
7.2.180.0070.01014.79
7.2.170.0070.00715.09
7.2.00.0070.01319.50
7.1.330.0000.01515.54
7.1.320.0110.00015.66
7.1.310.0060.01015.56
7.1.300.0000.01415.41
7.1.290.0080.00815.41
7.1.280.0030.01315.45
7.1.270.0100.00315.49
7.1.260.0060.00615.54
7.1.100.0080.00317.87
7.1.70.0060.00317.02
7.1.60.0030.01017.11
7.1.50.0220.01634.77
7.1.00.0070.07322.31
7.0.200.0030.00916.61
7.0.140.0030.07022.13
7.0.60.0170.07020.05
7.0.50.0100.07717.90
7.0.40.0130.03320.04
7.0.30.0230.07720.15
7.0.20.0230.05720.12
7.0.10.0100.05320.21
7.0.00.0030.08720.20
5.6.280.0070.06320.92
5.6.210.0130.07020.46
5.6.200.0030.08318.23
5.6.190.0030.04320.32
5.6.180.0470.06020.65
5.6.170.0200.05020.49
5.6.160.0030.08020.71
5.6.150.0030.04018.14
5.6.140.0070.04018.12
5.6.130.0070.05018.10
5.6.120.0030.08321.00
5.6.110.0130.07720.88
5.6.100.0070.05321.00
5.6.90.0170.07321.01
5.6.80.0070.08020.39
5.5.350.0230.06020.48
5.5.340.0030.04017.96
5.5.330.0030.04020.40
5.5.320.0370.04020.24
5.5.310.0200.08020.50
5.5.300.0070.08317.95
5.5.290.0000.05017.98
5.5.280.0070.03720.73
5.5.270.0130.05320.84
5.5.260.0100.08020.84
5.5.250.0070.08020.68
5.5.240.0070.07720.36
5.4.450.0800.04019.32
5.4.440.0130.07019.32
5.4.430.0100.05319.46
5.4.420.0170.06719.32
5.4.410.0170.04718.93
5.4.400.0170.05718.74
5.4.390.0100.05318.70
5.4.380.0100.07318.69
5.4.370.0170.05318.50
5.4.360.0230.04718.65
5.4.350.0100.03811.98
5.4.340.0060.03611.97
5.4.320.0050.04112.46
5.4.310.0020.04312.45
5.4.300.0040.04812.45
5.4.290.0040.04012.45
5.4.280.0090.03312.35
5.4.270.0110.03712.35
5.4.260.0060.03812.35
5.4.250.0070.04412.35
5.4.240.0080.04412.35
5.4.230.0050.03912.34
5.4.220.0070.03412.34
5.4.210.0080.03412.34
5.4.200.0090.03412.34
5.4.190.0050.03612.34
5.4.180.0110.04012.34
5.4.170.0060.04112.35
5.4.160.0050.03612.35
5.4.150.0050.03712.34
5.4.140.0070.03812.03
5.4.130.0050.04312.01
5.4.120.0060.03811.97
5.4.110.0090.03411.96
5.4.100.0060.03811.96
5.4.90.0030.04011.97
5.4.80.0070.05011.97
5.4.70.0070.04011.96
5.4.60.0050.03911.96
5.4.50.0060.04211.96
5.4.40.0100.03711.95
5.4.30.0050.03711.95
5.4.20.0050.03711.95
5.4.10.0070.03311.95
5.4.00.0040.03911.44
5.3.290.0060.04312.80
5.3.280.0100.03512.71
5.3.270.0060.04312.72
5.3.260.0100.03812.72
5.3.250.0060.03712.72
5.3.240.0110.03812.72
5.3.230.0050.03912.71
5.3.220.0070.03512.68
5.3.210.0070.04012.68
5.3.200.0040.03712.68
5.3.190.0060.03712.68
5.3.180.0070.03512.67
5.3.170.0050.03712.67
5.3.160.0090.04012.68
5.3.150.0050.03812.68
5.3.140.0070.03612.66
5.3.130.0110.04012.66
5.3.120.0150.03412.66
5.3.110.0070.03812.66
5.3.100.0070.03512.12
5.3.90.0080.03412.08
5.3.80.0070.03512.07
5.3.70.0090.03312.08
5.3.60.0040.03812.06
5.3.50.0030.04012.00
5.3.40.0080.03512.00
5.3.30.0080.03411.95
5.3.20.0040.03611.72
5.3.10.0050.03511.69
5.3.00.0080.03311.68
5.2.170.0080.0339.18
5.2.160.0060.0299.18
5.2.150.0030.0389.18
5.2.140.0050.0319.18
5.2.130.0040.0309.14
5.2.120.0040.0309.14
5.2.110.0070.0349.15
5.2.100.0050.0289.14
5.2.90.0040.0339.14
5.2.80.0060.0299.14
5.2.70.0050.0299.13
5.2.60.0060.0279.09
5.2.50.0070.0349.06
5.2.40.0060.0279.04
5.2.30.0050.0299.01
5.2.20.0040.0299.00
5.2.10.0020.0318.92
5.2.00.0060.0278.78
5.1.60.0040.0248.06
5.1.50.0080.0218.06
5.1.40.0050.0248.05
5.1.30.0060.0258.39
5.1.20.0090.0308.41
5.1.10.0050.0258.14
5.1.00.0060.0298.14
5.0.50.0050.0226.62
5.0.40.0030.0196.48
5.0.30.0040.0316.29
5.0.20.0020.0216.27
5.0.10.0050.0196.24
5.0.00.0060.0316.23
4.4.90.0050.0144.78
4.4.80.0020.0154.76
4.4.70.0020.0154.76
4.4.60.0040.0154.75
4.4.50.0010.0174.77
4.4.40.0040.0264.71
4.4.30.0040.0214.75
4.4.20.0020.0164.85
4.4.10.0020.0174.85
4.4.00.0020.0314.76
4.3.110.0040.0204.67
4.3.100.0020.0174.67
4.3.90.0040.0144.64
4.3.80.0020.0274.58
4.3.70.0050.0124.63
4.3.60.0050.0124.63
4.3.50.0020.0164.63
4.3.40.0030.0234.54
4.3.30.0010.0163.28
4.3.20.0020.0153.26
4.3.10.0020.0153.22
4.3.00.0130.0206.70

preferences:
54.57 ms | 401 KiB | 5 Q