3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyList1 extends SplDoublyLinkedList { } $a = new MyList1(); var_dump($b=serialize($a)); var_dump(unserialize($b));

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)
8.3.60.0060.01016.50
8.3.50.0110.00921.86
8.3.40.0120.00318.54
8.3.30.0100.00318.96
8.3.20.0080.00020.08
8.3.10.0030.00523.39
8.3.00.0090.00019.20
8.2.180.0090.00618.54
8.2.170.0060.01522.96
8.2.160.0060.01320.27
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0100.00726.16
8.2.120.0040.00422.16
8.2.110.0040.00422.00
8.2.100.0080.00317.66
8.2.90.0040.00419.18
8.2.80.0060.00317.97
8.2.70.0000.00917.50
8.2.60.0000.00817.80
8.2.50.0060.00318.07
8.2.40.0040.00419.94
8.2.30.0000.00819.86
8.2.20.0000.00717.66
8.2.10.0040.00418.07
8.2.00.0040.00417.69
8.1.280.0070.01025.92
8.1.270.0060.00323.96
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0050.00518.93
8.1.230.0030.00819.14
8.1.220.0080.00017.74
8.1.210.0080.00018.77
8.1.200.0030.00617.13
8.1.190.0050.00317.11
8.1.180.0030.00618.10
8.1.170.0040.00418.59
8.1.160.0050.00221.88
8.1.150.0040.00418.62
8.1.140.0000.00817.27
8.1.130.0030.00317.68
8.1.120.0040.00417.32
8.1.110.0040.00417.42
8.1.100.0000.00717.33
8.1.90.0070.00017.24
8.1.80.0000.00817.34
8.1.70.0000.00717.36
8.1.60.0090.00017.57
8.1.50.0080.00017.33
8.1.40.0050.00317.34
8.1.30.0040.00417.53
8.1.20.0060.00317.62
8.1.10.0040.00417.52
8.1.00.0040.00417.45
8.0.300.0040.00418.78
8.0.290.0000.00816.93
8.0.280.0000.00818.38
8.0.270.0030.00316.73
8.0.260.0000.00617.26
8.0.250.0030.00316.95
8.0.240.0040.00416.98
8.0.230.0000.00716.97
8.0.220.0070.00016.94
8.0.210.0000.00716.94
8.0.200.0040.00416.93
8.0.190.0040.00417.00
8.0.180.0040.00416.76
8.0.170.0000.01016.85
8.0.160.0000.00816.96
8.0.150.0000.00716.77
8.0.140.0070.00016.88
8.0.130.0090.00013.39
8.0.120.0080.00016.82
8.0.110.0040.00416.83
8.0.100.0040.00416.78
8.0.90.0000.00716.80
8.0.80.0140.00616.88
8.0.70.0050.00216.84
8.0.60.0050.00216.73
8.0.50.0050.00216.94
8.0.30.0070.01217.00
8.0.20.0140.01217.40
8.0.10.0000.00816.95
8.0.00.0120.00916.77
7.4.330.0020.00315.00
7.4.320.0040.00416.43
7.4.300.0030.00316.44
7.4.290.0000.00816.40
7.4.280.0040.00416.54
7.4.270.0000.00816.38
7.4.260.0070.00016.52
7.4.250.0040.00416.52
7.4.240.0030.00416.44
7.4.230.0030.00316.38
7.4.220.0140.00316.61
7.4.210.0040.01116.48
7.4.200.0030.00416.37
7.4.190.0040.00416.38
7.4.160.0050.01116.36
7.4.150.0070.01717.40
7.4.140.0120.00517.86
7.4.130.0180.01416.37
7.4.120.0090.00716.53
7.4.110.0150.00616.36
7.4.100.0200.01016.39
7.4.90.0060.01216.52
7.4.80.0150.00319.39
7.4.70.0060.00916.47
7.4.60.0090.00916.39
7.4.50.0040.00416.30
7.4.40.0140.00316.37
7.4.30.0080.00816.54
7.4.00.0090.00315.06
7.3.330.0060.00013.26
7.3.320.0000.00513.11
7.3.310.0040.00416.09
7.3.300.0070.00016.20
7.3.290.0100.00316.15
7.3.280.0090.01216.20
7.3.270.0130.01217.40
7.3.260.0130.00416.43
7.3.250.0100.01016.28
7.3.240.0100.00716.18
7.3.230.0030.01316.39
7.3.210.0080.00816.46
7.3.200.0150.00619.39
7.3.190.0100.01316.48
7.3.180.0000.01516.18
7.3.170.0060.01116.27
7.3.160.0000.01616.40
7.3.120.0000.01314.59
7.2.330.0090.00916.65
7.2.320.0090.00616.57
7.2.310.0090.01516.18
7.2.300.0080.00816.55
7.2.290.0150.00916.55
7.2.60.0100.00316.64
7.2.00.0070.00719.43
7.1.100.0030.01018.04
7.1.70.0030.00517.13
7.1.60.0030.02219.46
7.1.50.0120.00916.84
7.1.00.0070.07022.36
7.0.200.0040.00416.48
7.0.140.0070.07021.95
7.0.60.0030.09019.92
7.0.50.0030.04017.96
7.0.40.0200.06720.09
7.0.30.0430.04020.07
7.0.20.0230.04020.07
7.0.10.0270.05320.32
7.0.00.0070.09020.11
5.6.280.0100.06721.10
5.6.210.0100.08320.65
5.6.200.0000.09018.16
5.6.190.0030.04320.62
5.6.180.3800.04720.74
5.6.170.0130.08720.44
5.6.160.0030.08020.71
5.6.150.0170.05018.22
5.6.140.0130.07318.22
5.6.130.0030.06718.21
5.6.120.0100.04321.14
5.6.110.0130.06321.02
5.6.100.0130.07021.01
5.6.90.0030.06720.99
5.6.80.0030.08320.53
5.6.70.0230.07720.50
5.5.350.0130.07320.35
5.5.340.0030.08018.08
5.5.330.0230.06720.41
5.5.320.0430.05320.28
5.5.310.0270.07020.25
5.5.300.0070.08017.98
5.5.290.0100.04717.98
5.5.280.0130.07720.80
5.5.270.0100.06320.87
5.5.260.0030.08020.78
5.5.250.0130.07720.77
5.5.240.0070.07720.27
5.4.450.0730.06019.62
5.4.440.0500.05719.38
5.4.430.0600.05719.70
5.4.420.0600.00019.51
5.4.410.0100.07718.86
5.4.400.0400.04018.77
5.4.390.0230.05318.70
5.4.380.0270.08018.70
5.4.370.0230.03718.41
5.4.360.0330.03318.59
5.4.350.0060.03412.02
5.4.340.0030.04312.02
5.4.320.0100.03912.50
5.4.310.0020.04112.50
5.4.300.0060.03612.50
5.4.290.0070.04112.48
5.4.280.0050.03812.38
5.4.270.0070.03512.38
5.4.260.0050.03812.38
5.4.250.0070.03812.38
5.4.240.0090.03612.38
5.4.230.0100.04212.37
5.4.220.0040.04312.38
5.4.210.0080.03512.38
5.4.200.0070.03712.38
5.4.190.0070.03612.37
5.4.180.0080.03512.37
5.4.170.0050.03812.38
5.4.160.0090.03312.38
5.4.150.0050.03812.38
5.4.140.0090.03412.05
5.4.130.0120.04312.05
5.4.120.0090.05112.00
5.4.110.0090.05812.00
5.4.100.0110.05212.00
5.4.90.0120.04212.00
5.4.80.0090.05012.00
5.4.70.0070.03912.00
5.4.60.0100.04712.00
5.4.50.0110.04612.00
5.4.40.0040.05211.98
5.4.30.0140.04811.98
5.4.20.0090.05011.98
5.4.10.0080.05411.98
5.4.00.0080.04811.48
5.3.290.0070.04112.80
5.3.280.0090.04912.71
5.3.270.0090.06612.73
5.3.260.0170.05412.72
5.3.250.0110.04512.72
5.3.240.0110.06012.72
5.3.230.0120.05712.70
5.3.220.0180.05512.68
5.3.210.0080.06112.68
5.3.200.0110.05512.68
5.3.190.0130.05712.68
5.3.180.0120.05212.68
5.3.170.0100.05612.67
5.3.160.0130.06312.68
5.3.150.0140.05312.68
5.3.140.0090.05412.66
5.3.130.0130.05812.66
5.3.120.0060.04812.66
5.3.110.0140.05612.66
5.3.100.0110.04612.12
5.3.90.0110.03712.10
5.3.80.0110.03812.10
5.3.70.0090.03812.09
5.3.60.0100.03712.08
5.3.50.0050.04012.03
5.3.40.0060.04012.03
5.3.30.0100.03411.98
5.3.20.0090.03511.77
5.3.10.0090.04611.73
5.3.00.0070.04911.72
5.2.170.0100.0409.21
5.2.160.0090.0499.22
5.2.150.0090.0339.21
5.2.140.0080.0389.21
5.2.130.0050.0429.17
5.2.120.0120.0459.18
5.2.110.0070.0419.18
5.2.100.0180.0459.18
5.2.90.0140.0389.18
5.2.80.0080.0339.17
5.2.70.0060.0359.17
5.2.60.0070.0419.13
5.2.50.0110.0379.09
5.2.40.0120.0499.07
5.2.30.0160.0489.05
5.2.20.0120.0389.03
5.2.10.0070.0408.94
5.2.00.0050.0308.80
5.1.60.0020.0278.09
5.1.50.0070.0288.08
5.1.40.0050.0288.06
5.1.30.0050.0268.41
5.1.20.0080.0288.44
5.1.10.0040.0278.16
5.1.00.0110.0328.16
5.0.50.0080.0246.64
5.0.40.0050.0206.50
5.0.30.0040.0346.31
5.0.20.0140.0226.27
5.0.10.0050.0216.25
5.0.00.0060.0306.25
4.4.90.0040.0224.78
4.4.80.0050.0214.75
4.4.70.0060.0134.75
4.4.60.0020.0244.76
4.4.50.0020.0194.77
4.4.40.0050.0234.71
4.4.30.0060.0134.76
4.4.20.0030.0194.85
4.4.10.0070.0124.85
4.4.00.0060.0224.76
4.3.110.0040.0154.67
4.3.100.0060.0124.66
4.3.90.0030.0164.63
4.3.80.0060.0314.59
4.3.70.0070.0214.63
4.3.60.0060.0214.63
4.3.50.0060.0234.62
4.3.40.0080.0504.54
4.3.30.0050.0223.30
4.3.20.0060.0213.27
4.3.10.0040.0233.23
4.3.00.0030.0236.66

preferences:
47.45 ms | 401 KiB | 5 Q