3v4l.org

run code in 300+ PHP versions simultaneously
<?php $list = new SplDoublyLinkedList; $unser = $list->unserialize('i:0;:s:3:"foo";:s:3:"bar";'); var_dump($list);

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)
8.3.60.0040.01116.38
8.3.50.0130.00321.98
8.3.40.0120.00618.52
8.3.30.0070.00718.95
8.3.20.0040.00420.29
8.3.10.0040.00423.71
8.3.00.0030.00619.25
8.2.180.0150.00416.38
8.2.170.0070.00722.96
8.2.160.0100.00320.22
8.2.150.0040.00424.18
8.2.140.0070.00324.66
8.2.130.0040.00426.16
8.2.120.0000.00722.28
8.2.110.0030.00622.30
8.2.100.0040.00717.78
8.2.90.0000.00719.08
8.2.80.0040.00417.97
8.2.70.0060.00617.38
8.2.60.0080.00017.91
8.2.50.0040.00418.07
8.2.40.0000.00919.89
8.2.30.0080.00217.87
8.2.20.0000.00717.62
8.2.10.0000.00717.95
8.2.00.0030.00817.52
8.1.280.0040.01525.92
8.1.270.0050.00323.90
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00323.98
8.1.230.0110.00019.22
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0060.00317.25
8.1.190.0080.00017.23
8.1.180.0030.00619.01
8.1.170.0060.00318.46
8.1.160.0030.00521.87
8.1.150.0000.00718.60
8.1.140.0040.00417.32
8.1.130.0060.00317.84
8.1.120.0040.00417.39
8.1.110.0000.00717.37
8.1.100.0070.00017.36
8.1.90.0000.00717.46
8.1.80.0000.00817.42
8.1.70.0030.00317.33
8.1.60.0000.00717.51
8.1.50.0000.00817.32
8.1.40.0040.00417.34
8.1.30.0040.00417.55
8.1.20.0040.00417.61
8.1.10.0050.00317.43
8.1.00.0040.00417.51
8.0.300.0050.00320.73
8.0.290.0070.00017.18
8.0.280.0070.00018.29
8.0.270.0000.00717.07
8.0.260.0000.00617.20
8.0.250.0030.00316.94
8.0.240.0000.00816.94
8.0.230.0030.00316.92
8.0.220.0040.00416.85
8.0.210.0030.00516.87
8.0.200.0000.00916.84
8.0.190.0070.00016.97
8.0.180.0050.00216.80
8.0.170.0030.00516.88
8.0.160.0030.00416.91
8.0.150.0000.00716.80
8.0.140.0000.00816.83
8.0.130.0000.00613.33
8.0.120.0040.00416.89
8.0.110.0030.00516.82
8.0.100.0040.00416.93
8.0.90.0000.00716.93
8.0.80.0120.00316.88
8.0.70.0040.00416.67
8.0.60.0030.00516.77
8.0.50.0020.00516.95
8.0.30.0140.00816.96
8.0.20.0120.00817.40
8.0.10.0080.00017.08
8.0.00.0070.01016.59
7.4.330.0000.00515.00
7.4.320.0030.00316.58
7.4.300.0060.00016.48
7.4.290.0030.00316.44
7.4.280.0030.00516.51
7.4.270.0000.00816.53
7.4.260.0030.00316.59
7.4.250.0000.00716.49
7.4.240.0040.00416.51
7.4.230.0060.00016.62
7.4.220.0120.00616.41
7.4.210.0100.00616.57
7.4.200.0050.00316.48
7.4.190.0000.00716.44
7.4.160.0110.00716.33
7.4.150.0030.01317.40
7.4.140.0150.00917.86
7.4.130.0110.00816.47
7.4.120.0150.00316.53
7.4.110.0100.00716.52
7.4.100.0110.01216.48
7.4.90.0070.01016.48
7.4.80.0190.00719.39
7.4.70.0030.01516.25
7.4.60.0120.00616.45
7.4.50.0040.00416.38
7.4.40.0090.00916.36
7.4.30.0060.01016.47
7.4.00.0080.00414.85
7.3.330.0030.00312.98
7.3.320.0000.00513.08
7.3.310.0070.00016.02
7.3.300.0040.00416.00
7.3.290.0090.00616.32
7.3.280.0080.00916.18
7.3.270.0030.01417.40
7.3.260.0100.00616.30
7.3.250.0120.01116.27
7.3.240.0080.00816.32
7.3.230.0080.00816.39
7.3.210.0060.00916.06
7.3.200.0160.00819.39
7.3.190.0100.00716.14
7.3.180.0040.01216.25
7.3.170.0110.01116.32
7.3.160.0060.00916.38
7.3.120.0070.00314.76
7.3.10.0110.00016.55
7.3.00.0070.00716.58
7.2.330.0070.01016.63
7.2.320.0130.00716.57
7.2.310.0130.00316.39
7.2.300.0090.00916.45
7.2.290.0080.01216.24
7.2.130.0040.00416.81
7.2.120.0040.00816.73
7.2.110.0090.00316.73
7.2.100.0030.00916.77
7.2.90.0000.01616.86
7.2.80.0060.00316.71
7.2.70.0000.01116.50
7.2.60.0030.01316.89
7.2.50.0030.00716.92
7.2.40.0000.01516.70
7.2.30.0040.00716.95
7.2.20.0060.00616.76
7.2.10.0060.00916.55
7.2.00.0050.00817.88
7.1.250.0000.01115.77
7.1.100.0030.00617.88
7.1.70.0050.00316.81
7.1.60.0070.01019.46
7.1.50.0090.01316.73
7.1.00.0100.06722.44
7.0.200.0450.00614.38
7.0.140.0000.07721.95
7.0.60.0130.08019.94
7.0.50.0070.06317.90
7.0.40.0030.05720.16
7.0.30.0270.05020.04
7.0.20.0300.07320.16
7.0.10.0100.08720.09
7.0.00.0030.05020.21
5.6.280.0000.07321.06
5.6.210.0100.05020.60
5.6.200.0170.06718.19
5.6.190.0130.06020.45
5.6.180.0230.04720.61
5.6.170.0200.04320.41
5.6.160.0030.06720.49
5.6.150.0000.04718.12
5.6.140.0000.08018.12
5.6.130.0070.04318.17
5.6.120.0100.04020.75
5.6.110.0070.08321.11
5.6.100.0070.08020.99
5.6.90.0030.04021.07
5.6.80.0070.07720.40
5.5.350.0200.07320.44
5.5.340.0100.08018.00
5.5.330.0070.04020.43
5.5.320.0400.07020.27
5.5.310.0230.05320.25
5.5.300.0070.04718.02
5.5.290.0100.06717.89
5.5.280.0100.08320.77
5.5.270.0030.04720.87
5.5.260.0030.04320.86
5.5.250.0000.05320.79
5.5.240.0130.08020.25
5.4.450.0670.03019.57
5.4.440.0300.03719.45
5.4.430.0830.04019.21
5.4.420.0670.03719.09
5.4.410.0730.04019.33
5.4.400.0830.03319.09
5.4.390.0800.05719.24
5.4.380.0400.04718.61
5.4.370.0570.06318.68
5.4.360.0300.05318.53
5.4.350.0330.06018.65
5.4.340.0500.06318.57
5.4.320.0050.03812.46
5.4.310.0050.04012.45
5.4.300.0230.03812.45
5.4.290.0090.04112.44
5.4.280.0090.04512.33
5.4.270.0070.04712.33
5.4.260.0090.04612.34
5.4.250.0040.03912.34
5.4.240.0010.04012.33
5.4.230.0050.03812.32
5.4.220.0060.03512.32
5.4.210.0070.03712.33
5.4.200.0080.03812.32
5.4.190.0070.05112.32
5.4.180.0070.03612.32
5.4.170.0050.05512.34
5.4.160.0090.04212.33
5.4.150.0080.03512.32
5.4.140.0050.04412.01
5.4.130.0090.03512.00
5.4.120.0040.04011.95
5.4.110.0050.03811.95
5.4.100.0050.03511.95
5.4.90.0080.04011.95
5.4.80.0060.03811.95
5.4.70.0040.03611.95
5.4.60.0110.05211.95
5.4.50.0060.03411.95
5.4.40.0060.03711.93
5.4.30.0030.04011.93
5.4.20.0070.03611.94
5.4.10.0060.03711.94
5.4.00.0070.04511.43
5.3.290.0070.05312.80
5.3.280.0050.05112.71
5.3.270.0070.04112.73
5.3.260.0070.03812.72
5.3.250.0010.04212.72
5.3.240.0050.03812.72
5.3.230.0030.04012.71
5.3.220.0060.03712.68
5.3.210.0080.03812.68
5.3.200.0090.03912.68
5.3.190.0060.04112.68
5.3.180.0100.03612.67
5.3.170.0060.03712.67
5.3.160.0080.03412.68
5.3.150.0060.03812.67
5.3.140.0060.03812.66
5.3.130.0120.07412.66
5.3.120.0080.05112.66
5.3.110.0060.04812.65
5.3.100.0040.05112.12
5.3.90.0090.04812.08
5.3.80.0070.05212.07
5.3.70.0030.05312.07
5.3.60.0060.03612.06
5.3.50.0070.03412.00
5.3.40.0070.03512.00
5.3.30.0040.03911.95
5.3.20.0060.03711.73
5.3.10.0080.03411.69
5.3.00.0040.03811.68
5.2.170.0050.0339.18
5.2.160.0060.0289.18
5.2.150.0080.0299.18
5.2.140.0050.0329.18
5.2.130.0010.0329.14
5.2.120.0060.0289.14
5.2.110.0050.0309.14
5.2.100.0000.0399.14
5.2.90.0080.0289.14
5.2.80.0050.0309.13
5.2.70.0040.0329.13
5.2.60.0060.0309.09
5.2.50.0040.0309.06
5.2.40.0040.0299.04
5.2.30.0090.0299.01
5.2.20.0040.0329.00
5.2.10.0060.0298.92
5.2.00.0030.0368.77
5.1.60.0070.0228.06
5.1.50.0060.0278.06
5.1.40.0020.0288.04
5.1.30.0040.0298.39
5.1.20.0030.0318.41
5.1.10.0040.0288.14
5.1.00.0080.0318.14
5.0.50.0080.0196.62
5.0.40.0050.0196.48
5.0.30.0020.0376.29
5.0.20.0030.0216.26
5.0.10.0050.0226.24
5.0.00.0020.0346.23
4.4.90.0040.0164.78
4.4.80.0040.0144.75
4.4.70.0040.0154.75
4.4.60.0030.0164.76
4.4.50.0060.0134.77
4.4.40.0020.0274.70
4.4.30.0030.0164.76
4.4.20.0050.0154.84
4.4.10.0030.0194.85
4.4.00.0050.0234.75
4.3.110.0010.0184.67
4.3.100.0020.0214.67
4.3.90.0040.0204.64
4.3.80.0020.0334.59
4.3.70.0020.0234.63
4.3.60.0040.0224.63
4.3.50.0050.0264.63
4.3.40.0050.0314.54
4.3.30.0020.0233.28
4.3.20.0040.0203.25
4.3.10.0060.0253.21
4.3.00.0200.01316.03

preferences:
37.57 ms | 401 KiB | 5 Q