3v4l.org

run code in 300+ PHP versions simultaneously
<?php $list = new SplDoublyLinkedList(); $list->push("a"); $list->push("b"); $ser = $list->serialize(); var_dump($ser); exit; var_dump($list->unserialize($ser)); var_dump(unserialize($ser)); $consumed = null; var_dump(unserialize($ser), $consumed); var_dump($consumed);

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)
8.3.60.0110.00716.49
8.3.50.0100.01017.91
8.3.40.0000.01418.88
8.3.30.0040.01118.92
8.3.20.0000.00720.35
8.3.10.0070.00023.48
8.3.00.0080.00019.25
8.2.180.0110.00416.63
8.2.170.0100.01022.96
8.2.160.0120.00420.43
8.2.150.0040.00424.18
8.2.140.0070.00324.66
8.2.130.0120.00626.16
8.2.120.0070.00022.25
8.2.110.0090.00022.20
8.2.100.0090.00317.91
8.2.90.0040.00419.07
8.2.80.0060.00317.97
8.2.70.0030.00517.50
8.2.60.0040.00417.80
8.2.50.0000.00818.07
8.2.40.0040.00419.59
8.2.30.0070.00017.89
8.2.20.0050.00317.80
8.2.10.0000.00717.95
8.2.00.0040.00917.57
8.1.270.0090.00023.91
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0040.00423.88
8.1.230.0110.00019.20
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0030.00617.36
8.1.190.0030.00717.23
8.1.180.0030.00619.01
8.1.170.0040.00418.50
8.1.160.0070.00021.88
8.1.150.0040.00418.50
8.1.140.0000.00817.52
8.1.130.0000.00817.86
8.1.120.0050.00317.44
8.1.110.0040.00417.39
8.1.100.0040.00417.44
8.1.90.0070.00017.40
8.1.80.0000.00817.37
8.1.70.0000.00717.32
8.1.60.0040.00417.55
8.1.50.0000.00817.42
8.1.40.0000.00817.53
8.1.30.0080.00017.49
8.1.20.0080.00017.71
8.1.10.0040.00417.58
8.1.00.0040.00417.41
8.0.300.0020.00520.78
8.0.290.0040.00417.18
8.0.280.0030.00518.31
8.0.270.0030.00317.21
8.0.260.0060.00017.21
8.0.250.0030.00317.00
8.0.240.0000.00717.01
8.0.230.0000.00716.90
8.0.220.0030.00316.78
8.0.210.0030.00616.83
8.0.200.0030.00316.86
8.0.190.0000.00816.93
8.0.180.0070.00016.97
8.0.170.0040.00416.83
8.0.160.0070.00016.89
8.0.150.0040.00416.84
8.0.140.0030.00316.75
8.0.130.0040.00413.32
8.0.120.0050.00316.85
8.0.110.0070.00016.89
8.0.100.0040.00416.86
8.0.90.0040.00416.97
8.0.80.0170.00016.94
8.0.70.0000.00816.86
8.0.60.0050.00216.85
8.0.50.0000.00816.95
8.0.30.0120.01017.14
8.0.20.0130.00717.40
8.0.10.0070.00017.02
8.0.00.0120.00716.70
7.4.330.0000.00515.00
7.4.320.0030.00316.48
7.4.300.0060.00016.56
7.4.290.0030.00316.46
7.4.280.0030.00516.59
7.4.270.0000.00716.46
7.4.260.0040.00416.42
7.4.250.0000.00816.41
7.4.240.0070.00016.42
7.4.230.0040.00416.56
7.4.220.0090.01216.40
7.4.210.0090.00916.58
7.4.200.0030.00316.36
7.4.190.0030.00316.32
7.4.160.0060.00916.49
7.4.150.0120.00617.40
7.4.140.0110.01117.86
7.4.130.0080.00816.35
7.4.120.0110.00716.44
7.4.110.0140.00416.39
7.4.100.0130.00916.52
7.4.90.0140.00316.34
7.4.80.0050.00419.39
7.4.70.0120.00316.41
7.4.60.0120.00416.37
7.4.50.0030.00616.25
7.4.40.0060.01516.59
7.4.30.0030.01216.36
7.4.00.0080.00914.64
7.3.330.0050.00013.01
7.3.320.0000.00613.08
7.3.310.0030.00316.30
7.3.300.0030.00316.26
7.3.290.0090.00616.28
7.3.280.0070.01116.22
7.3.270.0100.00717.40
7.3.260.0030.01416.17
7.3.250.0070.01216.31
7.3.240.0080.00916.17
7.3.230.0110.00616.39
7.3.210.0100.00716.36
7.3.200.0120.01219.39
7.3.190.0040.01316.25
7.3.180.0060.00916.31
7.3.170.0120.00916.27
7.3.160.0090.00616.28
7.3.120.0070.00914.76
7.3.110.0110.00614.73
7.3.100.0030.00914.97
7.3.90.0000.01414.55
7.3.80.0030.00914.50
7.3.70.0030.01314.77
7.3.60.0050.00514.75
7.3.50.0030.00514.84
7.3.40.0040.00814.61
7.3.30.0070.00414.77
7.3.20.0060.00616.18
7.3.10.0000.01016.53
7.3.00.0080.00816.68
7.2.330.0080.00816.57
7.2.320.0070.01016.53
7.2.310.0130.00316.64
7.2.300.0090.00616.68
7.2.290.0060.01316.64
7.2.250.0070.01314.84
7.2.240.0090.00914.79
7.2.230.0100.00714.57
7.2.220.0060.00614.84
7.2.210.0060.00614.90
7.2.200.0030.00614.87
7.2.190.0000.01114.98
7.2.180.0070.01114.67
7.2.170.0040.00714.68
7.2.160.0040.01114.69
7.2.150.0000.00816.72
7.2.140.0030.01016.61
7.2.130.0030.00616.70
7.2.120.0060.00616.66
7.2.110.0140.00916.63
7.2.100.0030.01216.50
7.2.90.0060.00316.96
7.2.80.0070.00716.81
7.2.70.0050.00316.74
7.2.60.0030.01316.65
7.2.50.0090.00616.91
7.2.40.0060.00316.66
7.2.30.0070.00316.62
7.2.20.0000.01416.45
7.2.10.0030.00716.79
7.2.00.0080.00818.01
7.1.330.0060.00615.58
7.1.320.0000.00815.44
7.1.310.0030.00815.82
7.1.300.0000.01115.75
7.1.290.0040.00815.80
7.1.280.0030.00815.71
7.1.270.0000.00815.48
7.1.260.0030.01015.93
7.1.250.0040.00815.94
7.1.240.0100.00315.70
7.1.230.0050.00215.79
7.1.220.0040.01115.56
7.1.210.0030.01015.67
7.1.200.0070.00715.38
7.1.190.0030.00915.66
7.1.180.0040.00415.83
7.1.170.0080.00815.77
7.1.160.0000.01115.63
7.1.150.0070.00415.68
7.1.140.0070.00715.58
7.1.130.0030.00615.74
7.1.120.0100.00315.59
7.1.110.0030.00715.51
7.1.100.0040.00816.90
7.1.90.0080.00415.55
7.1.80.0060.00315.80
7.1.70.0070.00716.30
7.1.60.0030.01317.48
7.1.50.0060.01016.21
7.1.40.0040.00715.34
7.1.30.0030.00915.71
7.1.20.0030.01015.84
7.1.10.0000.01215.69
7.1.00.0050.03818.92
7.0.330.0040.00715.45
7.0.320.0090.00615.38
7.0.310.0040.00715.38
7.0.300.0000.00815.39
7.0.290.0000.01415.27
7.0.280.0040.00915.12
7.0.270.0050.00315.23
7.0.260.0060.00615.00
7.0.250.0040.00815.05
7.0.240.0100.00315.40
7.0.230.0030.00615.11
7.0.220.0040.00815.49
7.0.210.0030.00915.30
7.0.200.0170.00515.11
7.0.190.0000.01015.34
7.0.180.0060.00615.34
7.0.170.0060.00315.40
7.0.160.0050.00515.59
7.0.150.0000.01015.42
7.0.140.0050.03818.77
7.0.130.0030.01015.38
7.0.120.0000.01215.45
7.0.110.0060.00615.31
7.0.100.0090.00315.34
7.0.90.0060.00315.43
7.0.80.0030.00715.60
7.0.70.0080.00615.17
7.0.60.0030.04817.51
7.0.50.0050.04216.77
7.0.40.0020.02716.89
7.0.30.0250.03516.75
7.0.20.0150.04116.69
7.0.10.0040.02816.71
7.0.00.0020.02716.76
5.6.400.0040.00414.50
5.6.390.0030.01014.32
5.6.380.0060.00314.38
5.6.370.0030.00614.28
5.6.360.0030.00713.94
5.6.350.0100.00614.31
5.6.340.0040.00714.58
5.6.330.0000.00814.35
5.6.320.0000.01314.55
5.6.310.0000.00714.66
5.6.300.0030.01314.27
5.6.290.0070.00714.40
5.6.280.0030.04117.69
5.6.270.0070.00314.37
5.6.260.0070.00714.43
5.6.250.0000.00814.21
5.6.240.0000.01214.30
5.6.230.0000.01414.31
5.6.220.0040.01114.24
5.6.210.0070.02417.41
5.6.200.0090.03416.27
5.6.190.0070.04817.45
5.6.180.0270.02917.36
5.6.170.0180.04017.29
5.6.160.0070.04317.37
5.6.150.0070.02316.35
5.6.140.0040.03616.19
5.6.130.0070.04616.27
5.6.120.0050.02717.62
5.6.110.0100.04217.68
5.6.100.0050.04517.68
5.6.90.0060.04617.59
5.6.80.0100.03517.37
5.6.70.0060.00314.14
5.6.60.0090.00614.08
5.6.50.0030.01014.04
5.6.40.0070.00714.13
5.6.30.0030.00914.19
5.6.20.0080.00314.26
5.6.10.0000.01114.32
5.6.00.0130.00314.13
5.5.380.0030.00914.32
5.5.370.0000.00714.46
5.5.360.0070.01114.29
5.5.350.0070.04717.29
5.5.340.0050.03715.96
5.5.330.0100.02217.30
5.5.320.0020.02517.24
5.5.310.0220.03517.26
5.5.300.0050.02016.18
5.5.290.0050.02316.03
5.5.280.0070.02717.69
5.5.270.0070.04317.53
5.5.260.0090.03217.32
5.5.250.0070.04717.43
5.5.240.0050.04117.18
5.5.230.0040.00414.45
5.5.220.0030.00614.19
5.5.210.0040.00414.01
5.5.200.0090.00313.99
5.5.190.0030.00914.06
5.5.180.0000.01314.35
5.5.170.0060.00614.05
5.5.160.0070.00714.02
5.5.150.0070.00713.84
5.5.140.0060.00614.50
5.5.130.0040.00914.06
5.5.120.0030.00914.00
5.5.110.0030.01014.33
5.5.100.0000.01114.20
5.5.90.0060.00314.36
5.5.80.0070.00713.73
5.5.70.0080.00313.93
5.5.60.0030.00913.89
5.5.50.0000.01014.15
5.5.40.0000.01514.32
5.5.30.0030.00914.07
5.5.20.0090.00613.99
5.5.10.0000.01214.16
5.5.00.0040.01114.09
5.4.450.0450.04015.15
5.4.440.0330.03115.31
5.4.430.0400.03015.12
5.4.420.0350.03215.08
5.4.410.0260.03615.00
5.4.400.0400.02615.17
5.4.390.0340.02814.88
5.4.380.0200.03814.65
5.4.370.0140.03014.69
5.4.360.0150.03014.74
5.4.350.0150.03214.65
5.4.340.0120.03414.79
5.4.330.0070.00310.91
5.4.320.0070.02911.77
5.4.310.0060.02211.74
5.4.300.0050.02011.62
5.4.290.0070.04111.66
5.4.280.0080.03811.68
5.4.270.0070.02911.61
5.4.260.0110.02611.59
5.4.250.0060.03011.62
5.4.240.0090.02911.59
5.4.230.0060.02911.71
5.4.220.0080.02911.50
5.4.210.0050.03211.62
5.4.200.0060.03411.58
5.4.190.0040.03111.60
5.4.180.0110.03711.54
5.4.170.0050.04311.44
5.4.160.0100.04411.58
5.4.150.0110.04111.59
5.4.140.0090.04411.39
5.4.130.0100.04811.57
5.4.120.0090.05311.30
5.4.110.0060.03911.43
5.4.100.0060.02711.38
5.4.90.0060.02711.44
5.4.80.0070.03711.54
5.4.70.0110.03711.49
5.4.60.0080.03511.40
5.4.50.0100.03311.31
5.4.40.0060.03711.49
5.4.30.0080.03311.43
5.4.20.0080.03611.41
5.4.10.0060.03111.42
5.4.00.0040.03211.05
5.3.290.0060.02511.67
5.3.280.0130.06011.53
5.3.270.0060.03711.51
5.3.260.0050.02811.62
5.3.250.0070.03311.55
5.3.240.0070.03011.51
5.3.230.0120.04311.54
5.3.220.0110.03311.52
5.3.210.0110.03911.43
5.3.200.0160.07711.49
5.3.190.0080.04311.54
5.3.180.0100.02311.58
5.3.170.0090.04511.61
5.3.160.0100.04611.63
5.3.150.0080.02111.53
5.3.140.0050.02711.54
5.3.130.0060.04711.63
5.3.120.0040.03611.53
5.3.110.0080.02811.57
5.3.100.0040.03411.18
5.3.90.0050.05411.17
5.3.80.0080.02711.13
5.3.70.0060.02511.18
5.3.60.0050.03511.22
5.3.50.0070.03111.17
5.3.40.0040.02511.22
5.3.30.0090.02011.12
5.3.20.0050.01910.90
5.3.10.0070.02110.92
5.3.00.0050.02410.91
5.2.170.0060.0319.18
5.2.160.0080.0289.18
5.2.150.0080.0319.18
5.2.140.0090.0309.18
5.2.130.0130.0459.14
5.2.120.0080.0289.14
5.2.110.0080.0319.15
5.2.100.0060.0409.14
5.2.90.0120.0549.14
5.2.80.0060.0519.14
5.2.70.0150.0419.13
5.2.60.0080.0349.09
5.2.50.0070.0549.06
5.2.40.0080.0359.04
5.2.30.0150.0599.01
5.2.20.0100.0309.00
5.2.10.0140.0618.93
5.2.00.0060.0358.78
5.1.60.0090.0228.07
5.1.50.0050.0268.07
5.1.40.0060.0258.04
5.1.30.0050.0278.40
5.1.20.0040.0298.42
5.1.10.0040.0278.14
5.1.00.0110.0358.14
5.0.50.0080.0206.62
5.0.40.0060.0216.48
5.0.30.0070.0306.29
5.0.20.0020.0246.27
5.0.10.0060.0196.24
5.0.00.0020.0366.23
4.4.90.0040.0164.78
4.4.80.0060.0164.76
4.4.70.0040.0154.76
4.4.60.0060.0134.75
4.4.50.0030.0164.77
4.4.40.0020.0264.71
4.4.30.0050.0134.76
4.4.20.0060.0124.84
4.4.10.0050.0244.85
4.4.00.0050.0234.76
4.3.110.0030.0164.67
4.3.100.0050.0144.66
4.3.90.0070.0124.63
4.3.80.0040.0254.58
4.3.70.0020.0164.63
4.3.60.0040.0144.63
4.3.50.0050.0144.63
4.3.40.0030.0274.54
4.3.30.0010.0193.28
4.3.20.0040.0153.25
4.3.10.0030.0173.22
4.3.00.0400.01710.55

preferences:
53.68 ms | 400 KiB | 5 Q