3v4l.org

run code in 300+ PHP versions simultaneously
<?php $mylist = new SplDoublyLinkedList(); $mylist[] = 'doubly'; $mylist[] = 'linked'; $mylist[] = 'list'; $mylist->rewind(); while($mylist->valid()) { echo $mylist->current(), '<hr>'; $mylist->next(); }

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)
8.3.70.0110.00316.50
8.3.60.0110.00416.63
8.3.50.0120.00621.14
8.3.40.0070.00718.83
8.3.30.0060.01318.76
8.3.20.0090.00620.20
8.3.10.0040.00421.90
8.3.00.0000.00721.78
8.2.190.0100.00716.58
8.2.180.0070.00718.25
8.2.170.0120.00622.96
8.2.160.0100.00720.11
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0050.00221.07
8.2.120.0040.00426.35
8.2.110.0060.00319.30
8.2.100.0080.00417.93
8.2.90.0040.00419.35
8.2.80.0090.00017.97
8.2.70.0060.00317.63
8.2.60.0040.00417.93
8.2.50.0040.00418.09
8.2.40.0040.00420.40
8.2.30.0040.00419.52
8.2.20.0060.00317.83
8.2.10.0080.00018.16
8.2.00.0040.00418.04
8.1.280.0150.00025.92
8.1.270.0120.00621.91
8.1.260.0030.00528.09
8.1.250.0070.00028.09
8.1.240.0050.00520.69
8.1.230.0080.00417.76
8.1.220.0030.00517.79
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0040.00417.09
8.1.180.0040.00418.10
8.1.170.0080.00018.44
8.1.160.0000.00720.76
8.1.150.0080.00018.97
8.1.140.0000.00819.45
8.1.130.0000.00717.51
8.1.120.0000.00717.30
8.1.110.0040.00417.43
8.1.100.0000.00717.36
8.1.90.0000.00817.43
8.1.80.0040.00417.28
8.1.70.0070.00017.35
8.1.60.0060.00317.52
8.1.50.0000.00917.36
8.1.40.0040.00417.49
8.1.30.0060.00317.50
8.1.20.0060.00317.56
8.1.10.0040.00417.56
8.1.00.0080.00017.53
8.0.300.0040.00418.77
8.0.290.0080.00016.63
8.0.280.0040.00418.31
8.0.270.0070.00017.13
8.0.260.0000.00617.18
8.0.250.0030.00317.00
8.0.240.0040.00416.92
8.0.230.0070.00016.80
8.0.220.0000.00716.74
8.0.210.0040.00416.73
8.0.200.0000.00716.79
8.0.190.0060.00316.95
8.0.180.0060.00316.80
8.0.170.0040.00416.91
8.0.160.0000.00716.79
8.0.150.0030.00516.67
8.0.140.0060.00316.86
8.0.130.0030.00313.22
8.0.120.0000.00816.84
8.0.110.0000.00716.82
8.0.100.0070.00016.89
8.0.90.0000.00816.73
8.0.80.0200.00316.86
8.0.70.0000.00716.88
8.0.60.0040.00416.79
8.0.50.0000.00716.87
8.0.30.0080.00916.89
8.0.20.0130.00617.40
8.0.10.0000.00716.97
8.0.00.0080.00916.74
7.4.330.0030.00316.75
7.4.320.0030.00316.54
7.4.300.0060.00316.31
7.4.290.0030.00316.37
7.4.280.0050.00316.49
7.4.270.0040.00416.55
7.4.260.0000.00716.42
7.4.250.0000.00716.45
7.4.240.0030.00316.37
7.4.230.0000.00716.54
7.4.220.0090.01516.39
7.4.210.0100.00316.52
7.4.200.0070.00016.53
7.4.160.0030.01216.38
7.4.150.0040.01317.40
7.4.140.0160.00617.86
7.4.130.0160.00216.39
7.4.120.0130.00416.49
7.4.110.0120.00616.66
7.4.100.0110.01116.29
7.4.90.0060.01216.65
7.4.80.0060.01219.39
7.4.70.0130.00316.48
7.4.60.0130.00316.53
7.4.50.0030.01016.59
7.4.40.0060.01216.31
7.4.30.0070.01016.53
7.4.00.0020.01514.90
7.3.330.0050.00013.11
7.3.320.0060.00012.99
7.3.310.0030.00316.16
7.3.300.0000.00616.10
7.3.290.0090.00616.16
7.3.280.0060.00916.23
7.3.270.0140.00417.40
7.3.260.0070.01116.45
7.3.250.0120.00916.41
7.3.240.0120.00816.46
7.3.230.0140.00316.51
7.3.210.0150.00316.10
7.3.200.0120.00619.39
7.3.190.0110.00616.36
7.3.180.0100.00616.22
7.3.170.0090.00816.30
7.3.160.0160.00016.33
7.3.120.0070.01014.76
7.3.110.0030.01315.00
7.3.100.0000.01015.04
7.3.90.0040.01214.46
7.3.80.0000.00914.39
7.3.70.0000.01214.81
7.3.60.0080.00514.85
7.3.50.0070.00714.82
7.3.40.0100.00714.61
7.3.30.0080.00414.73
7.3.20.0000.01416.43
7.3.10.0070.00316.39
7.3.00.0000.01316.57
7.2.330.0110.01116.71
7.2.320.0060.01316.72
7.2.310.0060.01016.71
7.2.300.0060.01116.83
7.2.290.0100.00616.61
7.2.250.0110.00814.97
7.2.240.0090.00915.22
7.2.230.0100.00614.94
7.2.220.0110.00315.11
7.2.210.0090.00915.13
7.2.200.0040.00814.89
7.2.190.0040.01114.94
7.2.180.0030.01015.02
7.2.170.0040.00714.67
7.2.00.0090.00918.93
7.1.330.0090.00615.82
7.1.320.0030.01015.75
7.1.310.0090.00615.75
7.1.300.0000.01315.54
7.1.290.0110.00015.46
7.1.280.0000.01715.54
7.1.270.0000.01315.73
7.1.260.0060.00915.60
7.1.100.0110.00018.13
7.1.70.0030.00516.86
7.1.60.0090.01619.40
7.1.50.0070.01816.71
7.1.00.0030.07722.45
7.0.200.1670.01314.71
7.0.60.0130.07321.74
7.0.50.0000.04317.87
7.0.40.0070.08720.21
7.0.30.0330.03720.30
7.0.20.0130.05020.09
7.0.10.0070.09020.30
7.0.00.0170.07720.00
5.6.280.0100.05020.89
5.6.210.0100.07020.69
5.6.200.0030.07018.16
5.6.190.0000.05320.77
5.6.180.0370.07320.64
5.6.170.0370.06720.71
5.6.160.0200.07720.54
5.6.150.0100.04318.18
5.6.140.0130.06318.21
5.6.130.0000.05718.21
5.6.120.0100.08321.04
5.6.110.0100.08321.00
5.6.100.0100.06021.00
5.6.90.0030.08321.03
5.6.80.0130.03320.40
5.5.350.0070.07720.38
5.5.340.0130.03717.92
5.5.330.0130.07720.19
5.5.320.0200.03720.41
5.5.310.0230.04320.29
5.5.300.0100.04017.95
5.5.290.0030.04017.90
5.5.280.0070.05320.86
5.5.270.0100.06320.86
5.5.260.0030.04720.86
5.5.250.0170.06020.57
5.5.240.0130.04020.26

preferences:
30.15 ms | 401 KiB | 5 Q