3v4l.org

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

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)
8.3.60.0000.01416.50
8.3.50.0100.01021.94
8.3.40.0120.00318.67
8.3.30.0030.01018.82
8.3.20.0050.00220.16
8.3.10.0040.00423.48
8.3.00.0000.00919.00
8.2.180.0080.00818.29
8.2.170.0100.00722.96
8.2.160.0070.01020.53
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0040.00422.07
8.2.110.0040.00422.07
8.2.100.0110.00018.03
8.2.90.0080.00017.63
8.2.80.0050.00517.97
8.2.70.0030.00517.88
8.2.60.0080.00017.63
8.2.50.0040.00418.07
8.2.40.0000.00819.84
8.2.30.0000.00818.09
8.2.20.0050.00317.62
8.2.10.0040.00418.05
8.2.00.0040.00817.61
8.1.280.0110.00725.92
8.1.270.0050.00323.99
8.1.260.0040.00426.35
8.1.250.0070.01028.09
8.1.240.0070.00322.18
8.1.230.0110.00018.95
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0030.00617.21
8.1.190.0000.00817.23
8.1.180.0050.00518.10
8.1.170.0000.00718.52
8.1.160.0000.00821.99
8.1.150.0050.00218.63
8.1.140.0000.00817.38
8.1.130.0020.00517.86
8.1.120.0050.00217.47
8.1.110.0080.00017.45
8.1.100.0040.00417.39
8.1.90.0070.00017.29
8.1.80.0050.00317.40
8.1.70.0040.00417.27
8.1.60.0000.00717.48
8.1.50.0000.00817.33
8.1.40.0000.00817.43
8.1.30.0080.00017.49
8.1.20.0080.00017.52
8.1.10.0000.00717.50
8.1.00.0060.00317.45
8.0.300.0070.00021.59
8.0.290.0050.00316.63
8.0.280.0030.00518.38
8.0.270.0000.00816.66
8.0.260.0000.00617.05
8.0.250.0040.00416.86
8.0.240.0000.00716.87
8.0.230.0000.00716.79
8.0.220.0000.00716.72
8.0.210.0000.00716.69
8.0.200.0080.00016.95
8.0.190.0030.00616.89
8.0.180.0070.00016.86
8.0.170.0000.00816.84
8.0.160.0070.00016.89
8.0.150.0050.00216.79
8.0.140.0040.00416.85
8.0.130.0070.00013.21
8.0.120.0040.00416.79
8.0.110.0000.00716.86
8.0.100.0000.00716.73
8.0.90.0000.00716.71
8.0.80.0060.00916.84
8.0.70.0020.00516.76
8.0.60.0040.00416.87
8.0.50.0000.00716.67
8.0.30.0100.00816.82
8.0.20.0120.00617.40
8.0.10.0000.00716.72
8.0.00.0080.01116.59
7.4.330.0000.00515.00
7.4.320.0060.00016.52
7.4.300.0030.00316.45
7.4.290.0070.00016.55
7.4.280.0000.00716.41
7.4.270.0000.00716.54
7.4.260.0000.00716.52
7.4.250.0040.00416.55
7.4.240.0020.00516.45
7.4.230.0060.00316.61
7.4.220.0120.00616.34
7.4.210.0050.01116.54
7.4.200.0040.00416.52
7.4.190.0000.00816.40
7.4.160.0080.00816.23
7.4.150.0090.01217.40
7.4.140.0130.00617.86
7.4.130.0130.00416.32
7.4.120.0140.00416.31
7.4.110.0030.01316.53
7.4.100.0140.01116.32
7.4.90.0090.00916.38
7.4.80.0040.01419.39
7.4.70.0060.01016.56
7.4.60.0080.00816.13
7.4.50.0060.00316.33
7.4.40.0130.00516.41
7.4.30.0160.00016.37
7.4.00.0120.00314.98
7.3.330.0000.00713.13
7.3.320.0000.00513.05
7.3.310.0030.00316.20
7.3.300.0000.00615.97
7.3.290.0100.01016.13
7.3.280.0070.01016.17
7.3.270.0140.00317.40
7.3.260.0060.01216.21
7.3.250.0100.00916.38
7.3.240.0130.00916.39
7.3.230.0080.00816.39
7.3.210.0090.00916.21
7.3.200.0060.01619.39
7.3.190.0160.00616.09
7.3.180.0070.00716.18
7.3.170.0040.01316.27
7.3.160.0030.01216.35
7.3.120.0060.01014.72
7.2.330.0000.01616.52
7.2.320.0030.01616.48
7.2.310.0090.00916.51
7.2.300.0070.01016.30
7.2.290.0070.01016.61
7.2.60.0190.00015.91
7.2.00.0030.00919.44
7.1.200.0080.00415.43
7.1.100.0000.01118.07
7.1.70.0070.00316.97
7.1.60.0070.01719.46
7.1.50.0160.01016.80
7.1.00.0030.07722.40
7.0.200.0040.01216.75
7.0.140.0030.07322.07
7.0.60.0100.05019.86
7.0.50.0270.05717.82
7.0.40.0030.04720.35
7.0.30.0470.06720.20
7.0.20.0430.07020.29
7.0.10.0070.08320.17
7.0.00.0030.06020.00
5.6.280.0070.06721.04
5.6.210.0070.06320.70
5.6.200.0030.04018.18
5.6.190.0070.07020.43
5.6.180.0300.08020.61
5.6.170.0130.04720.38
5.6.160.0100.08020.37
5.6.150.0030.06018.17
5.6.140.0030.08318.20
5.6.130.0000.04318.23
5.6.120.0070.04021.11
5.6.110.0070.08720.98
5.6.100.0000.07321.03
5.6.90.0130.06020.88
5.6.80.0070.07320.41
5.5.350.0030.03320.34
5.5.340.0100.07718.02
5.5.330.0030.05020.17
5.5.320.0430.06320.27
5.5.310.0270.07320.16
5.5.300.0000.08317.98
5.5.290.0030.07317.88
5.5.280.0200.07320.68
5.5.270.0000.04320.76
5.5.260.0070.04320.67
5.5.250.0130.07320.57
5.5.240.3330.04320.16
5.4.450.0600.05319.27
5.4.440.0130.05319.32
5.4.430.0200.06719.49
5.4.420.0170.05019.41
5.4.410.0070.05719.51
5.4.400.0130.05319.16
5.4.390.0170.05318.96
5.4.380.0300.05318.74
5.4.370.0330.05318.65
5.4.360.0300.06018.63
5.4.350.0300.06718.57
5.4.340.0230.05718.53
5.4.320.0080.05112.45
5.4.310.0100.04412.45
5.4.300.0070.05212.46
5.4.290.0110.03612.44
5.4.280.0050.04112.33
5.4.270.0080.03812.34
5.4.260.0080.03912.33
5.4.250.0050.04112.34
5.4.240.0060.03812.34
5.4.230.0040.04012.32
5.4.220.0070.03812.32
5.4.210.0090.04512.33
5.4.200.0090.03712.32
5.4.190.0100.04012.32
5.4.180.0050.04112.32
5.4.170.0060.04312.33
5.4.160.0080.03812.33
5.4.150.0040.03812.32
5.4.140.0110.04012.01
5.4.130.0080.06312.00
5.4.120.0040.05811.95
5.4.110.0040.05611.95
5.4.100.0090.04711.95
5.4.90.0110.06811.95
5.4.80.0060.05311.95
5.4.70.0150.07011.95
5.4.60.0100.04811.95
5.4.50.0090.05411.95
5.4.40.0200.07111.94
5.4.30.0100.05811.94
5.4.20.0060.05911.94
5.4.10.0090.04811.93
5.4.00.0070.03411.43
5.3.290.0110.05012.80
5.3.280.0070.04712.70
5.3.270.0090.05212.72
5.3.260.0080.05612.72
5.3.250.0070.04312.72
5.3.240.0110.05012.72
5.3.230.0080.05212.71
5.3.220.0060.04712.68
5.3.210.0060.05612.68
5.3.200.0120.06212.68
5.3.190.0110.06812.68
5.3.180.0120.05712.67
5.3.170.0060.05512.67
5.3.160.0060.03812.68
5.3.150.0060.04712.68
5.3.140.0100.04012.66
5.3.130.0040.04212.65
5.3.120.0040.04112.66
5.3.110.0080.03812.66
5.3.100.0070.03812.12
5.3.90.0060.03712.08
5.3.80.0060.03712.08
5.3.70.0070.03512.07
5.3.60.0050.03912.06
5.3.50.0060.03812.00
5.3.40.0080.04812.00
5.3.30.0120.08511.95
5.3.20.0060.05011.72
5.3.10.0060.05411.71
5.3.00.0060.06111.68
5.2.170.0100.0429.18
5.2.160.0160.0599.18
5.2.150.0070.0569.18
5.2.140.0050.0549.18
5.2.130.0080.0479.14
5.2.120.0060.0489.14
5.2.110.0060.0459.14
5.2.100.0060.0309.14
5.2.90.0070.0269.14
5.2.80.0040.0329.14
5.2.70.0040.0339.14
5.2.60.0060.0309.09
5.2.50.0030.0329.06
5.2.40.0050.0299.04
5.2.30.0060.0319.01
5.2.20.0090.0279.00
5.2.10.0100.0328.92
5.2.00.0070.0418.78
5.1.60.0110.0338.07
5.1.50.0060.0388.06
5.1.40.0070.0388.05
5.1.30.0040.0448.39
5.1.20.0100.0398.41
5.1.10.0060.0398.14
5.1.00.0050.0448.14
5.0.50.0080.0376.62
5.0.40.0110.0496.48
5.0.30.0040.0436.29
5.0.20.0040.0276.27
5.0.10.0070.0266.24
5.0.00.0060.0436.23
4.4.90.0030.0254.78
4.4.80.0040.0234.75
4.4.70.0050.0234.75
4.4.60.0020.0264.75
4.4.50.0040.0244.77
4.4.40.0070.0344.70
4.4.30.0050.0214.76
4.4.20.0070.0204.84
4.4.10.0060.0204.85
4.4.00.0070.0384.76
4.3.110.0020.0254.67
4.3.100.0060.0194.66
4.3.90.0020.0184.63
4.3.80.0020.0284.58
4.3.70.0020.0164.63
4.3.60.0050.0204.62
4.3.50.0040.0244.63
4.3.40.0060.0354.54
4.3.30.0030.0343.29
4.3.20.0020.0253.26
4.3.10.0030.0233.22
4.3.00.0100.0208.16

preferences:
43.18 ms | 401 KiB | 5 Q