3v4l.org

run code in 300+ PHP versions simultaneously
<?php $list = new SplDoublyLinkedList; $list->push("foo"); $list->push("bar"); $ser = $list->serialize(); var_dump($ser); var_dump(unserialize($ser));

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)
8.3.40.0120.00318.75
8.3.30.0100.00319.06
8.3.20.0070.00020.23
8.3.10.0060.00323.70
8.3.00.0040.00419.25
8.2.170.0120.00622.96
8.2.160.0070.00720.46
8.2.150.0080.00024.18
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0000.00822.27
8.2.110.0030.00722.26
8.2.100.0070.00417.78
8.2.90.0080.00019.15
8.2.80.0030.00517.97
8.2.70.0080.00017.47
8.2.60.0000.00917.93
8.2.50.0000.00818.07
8.2.40.0040.00419.63
8.2.30.0040.00418.00
8.2.20.0030.00517.63
8.2.10.0070.00017.93
8.2.00.0030.00717.68
8.1.270.0060.00323.91
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00623.96
8.1.230.0070.00719.21
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0060.00317.36
8.1.190.0050.00317.11
8.1.180.0080.00318.88
8.1.170.0030.00618.53
8.1.160.0020.00521.95
8.1.150.0000.00818.48
8.1.140.0000.00817.32
8.1.130.0000.00717.86
8.1.120.0040.00317.38
8.1.110.0000.00717.36
8.1.100.0050.00217.32
8.1.90.0080.00017.39
8.1.80.0000.00717.34
8.1.70.0000.00717.34
8.1.60.0000.00817.50
8.1.50.0040.00417.32
8.1.40.0040.00417.49
8.1.30.0040.00417.59
8.1.20.0000.00717.53
8.1.10.0040.00417.48
8.1.00.0040.00417.43
8.0.300.0040.00420.61
8.0.290.0040.00417.03
8.0.280.0000.00718.29
8.0.270.0030.00317.19
8.0.260.0050.00317.19
8.0.250.0070.00016.94
8.0.240.0070.00016.98
8.0.230.0070.00017.01
8.0.220.0070.00016.93
8.0.210.0040.00416.93
8.0.200.0070.00416.94
8.0.190.0030.00516.86
8.0.180.0050.00216.91
8.0.170.0000.00816.80
8.0.160.0080.00016.83
8.0.150.0040.00416.82
8.0.140.0020.00516.84
8.0.130.0030.00313.31
8.0.120.0060.00316.89
8.0.110.0000.00816.92
8.0.100.0050.00216.72
8.0.90.0050.00316.84
8.0.80.0060.00916.82
8.0.70.0040.00416.86
8.0.60.0030.00516.93
8.0.50.0050.00216.75
8.0.30.0120.00917.01
8.0.20.0140.00617.40
8.0.10.0040.00417.00
8.0.00.0120.00816.71
7.4.330.0050.00015.00
7.4.320.0000.00616.50
7.4.300.0060.00016.59
7.4.290.0030.00316.44
7.4.280.0040.00416.45
7.4.270.0000.00716.48
7.4.260.0030.00316.52
7.4.250.0070.00016.30
7.4.240.0000.00716.47
7.4.230.0000.00716.36
7.4.220.0060.01216.41
7.4.210.0110.00716.45
7.4.200.0030.00316.43
7.4.190.0070.00016.44
7.4.160.0090.00616.46
7.4.150.0070.01317.40
7.4.140.0130.00817.86
7.4.130.0110.00816.43
7.4.120.0080.00916.40
7.4.110.0080.00916.57
7.4.100.0030.01616.31
7.4.90.0140.00316.44
7.4.80.0100.01219.39
7.4.70.0110.00816.58
7.4.60.0050.01116.09
7.4.50.0040.00016.41
7.4.40.0100.01116.51
7.4.30.0100.00616.32
7.4.00.0030.01214.89
7.3.330.0030.00313.09
7.3.320.0060.00013.05
7.3.310.0050.00316.23
7.3.300.0020.00516.20
7.3.290.0100.00716.18
7.3.280.0100.00916.12
7.3.270.0060.01117.40
7.3.260.0090.00916.32
7.3.250.0100.00816.19
7.3.240.0080.00816.37
7.3.230.0180.00016.45
7.3.210.0040.01216.34
7.3.200.0110.01419.39
7.3.190.0100.00716.32
7.3.180.0160.00016.43
7.3.170.0130.00916.27
7.3.160.0150.00016.31
7.3.120.0030.01314.80
7.2.330.0140.00816.63
7.2.320.0100.01316.68
7.2.310.0130.01016.49
7.2.300.0070.01016.54
7.2.290.0140.00416.48
7.2.00.0000.01019.34
7.1.100.0000.00917.78
7.1.70.0040.00416.73
7.1.60.0160.00619.46
7.1.50.0060.01616.88
7.1.00.0030.07722.35
7.0.200.0240.00714.58
7.0.140.0130.06321.97
7.0.60.0070.08319.86
7.0.50.0100.05317.81
7.0.40.0030.05320.03
7.0.30.0230.04020.02
7.0.20.0130.05020.13
7.0.10.0000.05720.12
7.0.00.0100.07720.13
5.6.280.0030.07321.10
5.6.210.0030.04720.69
5.6.200.0030.04018.22
5.6.190.0130.05320.43
5.6.180.0530.07020.49
5.6.170.0270.04720.62
5.6.160.0070.04320.37
5.6.150.0000.04718.18
5.6.140.0000.04718.11
5.6.130.0200.07018.11
5.6.120.0000.09321.15
5.6.110.0070.08720.97
5.6.100.0070.09320.97
5.6.90.0000.09021.12
5.6.80.0100.05320.35
5.5.350.0230.07020.49
5.5.340.0100.07017.92
5.5.330.0030.08720.19
5.5.320.0000.08720.36
5.5.310.0200.04020.17
5.5.300.0130.07318.02
5.5.290.0000.05317.88
5.5.280.0100.08320.73
5.5.270.0070.08320.93
5.5.260.0070.08720.89
5.5.250.0000.04320.49
5.5.240.0100.07020.35
5.4.450.0770.05019.10
5.4.440.0700.07019.48
5.4.430.0470.06319.63
5.4.420.0800.06719.62
5.4.410.0830.05019.38
5.4.400.0730.05318.78
5.4.390.0700.07319.00
5.4.380.0330.05718.72
5.4.370.0230.06718.77
5.4.360.0330.06018.63
5.4.350.0300.06018.43
5.4.340.0300.04718.64
5.4.320.0050.04612.46
5.4.310.0060.03912.45
5.4.300.0050.03912.45
5.4.290.0030.04012.43
5.4.280.0070.03312.33
5.4.270.0070.03612.33
5.4.260.0050.04512.34
5.4.250.0060.03712.33
5.4.240.0060.03712.33
5.4.230.0070.04112.33
5.4.220.0070.03712.33
5.4.210.0070.03812.32
5.4.200.0030.04312.33
5.4.190.0060.03612.32
5.4.180.0060.03612.32
5.4.170.0070.03712.34
5.4.160.0050.03712.33
5.4.150.0050.03712.32
5.4.140.0050.03812.01
5.4.130.0090.03512.00
5.4.120.0040.03711.96
5.4.110.0090.03311.95
5.4.100.0040.03611.95
5.4.90.0090.03411.95
5.4.80.0090.03311.95
5.4.70.0050.03511.95
5.4.60.0090.03111.95
5.4.50.0070.03511.95
5.4.40.0030.03711.93
5.4.30.0030.03811.93
5.4.20.0060.03411.93
5.4.10.0060.03411.93
5.4.00.0060.03611.43
5.3.290.0020.04412.80
5.3.280.0090.04912.71
5.3.270.0080.03912.72
5.3.260.0070.04112.72
5.3.250.0090.03412.72
5.3.240.0020.04212.72
5.3.230.0050.04112.71
5.3.220.0060.03812.68
5.3.210.0050.04012.68
5.3.200.0040.03912.68
5.3.190.0090.04812.68
5.3.180.0060.05012.67
5.3.170.0080.04512.67
5.3.160.0060.03912.67
5.3.150.0070.03912.68
5.3.140.0080.04812.66
5.3.130.0150.06612.66
5.3.120.0040.04812.66
5.3.110.0090.05012.66
5.3.100.0090.05212.12
5.3.90.0070.05412.08
5.3.80.0100.03912.07
5.3.70.0070.04612.08
5.3.60.0120.05512.06
5.3.50.0070.04712.00
5.3.40.0060.04012.00
5.3.30.0110.03211.95
5.3.20.0120.05911.73
5.3.10.0080.05211.71
5.3.00.0130.04511.68
5.2.170.0070.0459.18
5.2.160.0140.0359.18
5.2.150.0080.0469.18
5.2.140.0050.0409.18
5.2.130.0060.0359.14
5.2.120.0050.0369.14
5.2.110.0080.0379.14
5.2.100.0040.0559.14
5.2.90.0070.0319.14
5.2.80.0060.0349.14
5.2.70.0080.0439.14
5.2.60.0120.0609.09
5.2.50.0090.0519.06
5.2.40.0040.0329.04
5.2.30.0110.0309.01
5.2.20.0070.0329.00
5.2.10.0040.0408.92
5.2.00.0090.0468.78
5.1.60.0070.0618.06
5.1.50.0100.0378.06
5.1.40.0150.0758.04
5.1.30.0140.0438.39
5.1.20.0070.0268.41
5.1.10.0050.0278.14
5.1.00.0070.0258.14
5.0.50.0070.0196.62
5.0.40.0030.0226.48
5.0.30.0060.0316.29
5.0.20.0020.0236.27
5.0.10.0050.0226.24
5.0.00.0070.0356.23
4.4.90.0040.0204.78
4.4.80.0050.0174.75
4.4.70.0060.0214.76
4.4.60.0060.0314.75
4.4.50.0050.0264.77
4.4.40.0030.0304.70
4.4.30.0060.0154.76
4.4.20.0040.0174.84
4.4.10.0050.0154.85
4.4.00.0040.0284.75
4.3.110.0040.0174.66
4.3.100.0050.0194.66
4.3.90.0060.0144.64
4.3.80.0050.0234.58
4.3.70.0020.0154.63
4.3.60.0030.0164.63
4.3.50.0040.0184.63
4.3.40.0040.0254.54
4.3.30.0010.0223.29
4.3.20.0020.0223.26
4.3.10.0020.0223.22
4.3.00.0170.01710.55

preferences:
37.39 ms | 400 KiB | 5 Q