3v4l.org

run code in 300+ PHP versions simultaneously
<?php $list1 = new \SplDoublyLinkedList(); $list1->push(1); $list1->push(2); $list2 = clone $list1; $list2->push(3); $list2->push(4); var_export(iterator_to_array($list1)); var_export(iterator_to_array($list2));

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)
8.3.60.0090.00918.30
8.3.50.0070.00716.36
8.3.40.0100.00718.76
8.3.30.0110.00418.55
8.3.20.0100.00020.16
8.3.10.0050.00321.81
8.3.00.0070.00319.13
8.2.180.0130.00316.73
8.2.170.0130.00622.96
8.2.160.0100.01019.20
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00720.56
8.2.120.0080.00026.35
8.2.110.0030.00620.95
8.2.100.0080.00417.78
8.2.90.0050.00317.83
8.2.80.0040.00417.97
8.2.70.0080.00017.80
8.2.60.0060.00318.03
8.2.50.0030.00618.10
8.2.40.0040.00420.30
8.2.30.0040.00419.18
8.2.20.0080.00017.99
8.2.10.0040.00418.22
8.2.00.0000.00718.18
8.1.280.0040.01125.92
8.1.270.0080.00022.24
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0060.00323.80
8.1.230.0070.00420.89
8.1.220.0080.00020.94
8.1.210.0000.00818.77
8.1.200.0000.00817.23
8.1.190.0040.00417.11
8.1.180.0080.00018.10
8.1.170.0040.00418.74
8.1.160.0000.00818.82
8.1.150.0050.00220.11
8.1.140.0000.00719.46
8.1.130.0070.00018.88
8.1.120.0000.00717.43
8.1.110.0000.00817.29
8.1.100.0040.00417.41
8.1.90.0040.00417.37
8.1.80.0070.00017.29
8.1.70.0030.00317.41
8.1.60.0040.00417.49
8.1.50.0060.00317.48
8.1.40.0000.00817.49
8.1.30.0000.00817.64
8.1.20.0000.00717.61
8.1.10.0070.00017.41
8.1.00.0000.00817.48
8.0.300.0080.00019.78
8.0.290.0040.00416.63
8.0.280.0070.00018.41
8.0.270.0000.00717.08
8.0.260.0000.00619.04
8.0.250.0040.00416.85
8.0.240.0050.00316.88
8.0.230.0030.00316.88
8.0.220.0070.00016.83
8.0.210.0000.00716.83
8.0.200.0000.00616.89
8.0.190.0030.00716.76
8.0.180.0080.00016.87
8.0.170.0040.00416.84
8.0.160.0070.00016.83
8.0.150.0040.00416.83
8.0.140.0030.00316.79
8.0.130.0000.00513.20
8.0.120.0000.00816.69
8.0.110.0030.00316.69
8.0.100.0040.00416.72
8.0.90.0030.00316.81
8.0.80.0110.01116.81
8.0.70.0070.00016.70
8.0.60.0020.00516.84
8.0.50.0040.00416.65
8.0.30.0090.00716.89
8.0.20.0070.01117.40
8.0.10.0070.00016.77
8.0.00.0130.01016.70
7.4.330.0030.00315.55
7.4.320.0000.00716.52
7.4.300.0030.00316.52
7.4.290.0000.00716.45
7.4.280.0050.00316.53
7.4.270.0030.00316.46
7.4.260.0070.00016.55
7.4.250.0030.00316.44
7.4.240.0030.00316.54
7.4.230.0030.00316.56
7.4.220.0090.01616.46
7.4.210.0070.01116.54
7.4.200.0030.00316.31
7.4.160.0070.01016.38
7.4.150.0140.00317.40
7.4.140.0190.00617.86
7.4.130.0090.01416.45
7.4.120.0100.01116.31
7.4.110.0030.01416.36
7.4.100.0140.00316.35
7.4.90.0060.01716.37
7.4.80.0030.01419.39
7.4.70.0210.00516.54
7.4.60.0080.00816.53
7.4.50.0090.00616.30
7.4.40.0120.00616.29
7.4.30.0070.01016.23
7.4.10.0100.00714.87
7.4.00.0030.01014.68
7.3.330.0020.00213.11
7.3.320.0020.00213.03
7.3.310.0000.00716.19
7.3.300.0030.00316.13
7.3.290.0070.00816.20
7.3.280.0080.01016.19
7.3.270.0040.01217.40
7.3.260.0100.00816.26
7.3.240.0100.00716.22
7.3.230.0080.00816.18
7.3.210.0160.00316.20
7.3.200.0130.00616.33
7.3.190.0120.00816.23
7.3.180.0140.00316.32
7.3.170.0110.01116.21
7.3.160.0080.00816.39
7.3.130.0110.00514.79
7.3.120.0070.00914.87
7.3.110.0060.01214.72
7.3.100.0060.00814.84
7.3.90.0020.01414.54
7.3.80.0050.00714.62
7.3.70.0060.00814.54
7.3.60.0070.01214.44
7.3.50.0030.00914.46
7.3.40.0000.01514.56
7.3.30.0060.00714.62
7.3.20.0080.00616.37
7.3.10.0120.00216.37
7.3.00.0070.00616.45
7.2.330.0100.00716.73
7.2.320.0130.00916.33
7.2.310.0090.00616.41
7.2.300.0060.00916.60
7.2.290.0080.00816.18
7.2.260.0100.00514.61
7.2.250.0090.00914.84
7.2.240.0040.01114.80
7.2.230.0050.00914.68
7.2.220.0060.01114.76
7.2.210.0020.01214.72
7.2.200.0030.01014.76
7.2.190.0050.00914.91
7.2.180.0050.01214.92
7.2.170.0070.00714.75
7.2.160.0040.01114.87
7.2.150.0080.00816.65
7.2.140.0070.00416.76
7.2.130.0080.00616.76
7.2.120.0080.00616.56
7.2.110.0060.00616.66
7.2.100.0030.01016.81
7.2.90.0030.00616.58
7.2.80.0090.00717.00
7.2.70.0060.00416.79
7.2.60.0080.00716.90
7.2.50.0060.00816.75
7.2.40.0030.01216.86
7.2.30.0070.00716.60
7.2.20.0030.01016.67
7.2.10.0030.01016.85
7.2.00.0050.00917.56
7.1.330.0040.00915.58
7.1.320.0050.01115.75
7.1.310.0070.00915.73
7.1.300.0060.01015.62
7.1.290.0080.00415.64
7.1.280.0070.00715.89
7.1.270.0070.00615.67
7.1.260.0040.00715.70
7.1.250.0060.01015.75
7.1.240.0070.00715.70
7.1.230.0030.00815.69
7.1.220.0030.00815.62
7.1.210.0060.00515.76
7.1.200.0050.00815.66
7.1.190.0100.00215.87
7.1.180.0050.00915.46
7.1.170.0080.00515.54
7.1.160.0060.00815.76
7.1.150.0080.00815.56
7.1.140.0070.00615.81
7.1.130.0080.00515.82
7.1.120.0070.00615.57
7.1.110.0070.00715.74
7.1.100.0040.00915.76
7.1.90.0070.00515.62
7.1.80.0020.00715.74
7.1.70.0070.00915.99
7.1.60.0040.00816.32
7.1.50.0100.00615.94
7.1.40.0080.01021.83
7.1.30.0100.00721.81
7.1.20.0100.01021.84
7.1.10.0030.01015.89
7.1.00.0040.00715.94
7.0.330.0060.00515.20
7.0.320.0020.00915.39
7.0.310.0060.00615.27
7.0.300.0090.00515.39
7.0.290.0100.00315.34
7.0.280.0020.01215.31
7.0.270.0040.00915.26
7.0.260.0070.00715.51
7.0.250.0050.00915.35
7.0.240.0030.01115.37
7.0.230.0040.00515.37
7.0.220.0040.00815.46
7.0.210.0020.01115.41
7.0.200.0060.00615.92
7.0.190.0090.00515.41
7.0.180.0040.00715.50
7.0.170.0070.00615.52
7.0.160.0050.00915.58
7.0.150.0010.00915.58
7.0.140.0070.00815.58
7.0.130.0020.00815.76
7.0.120.0050.00715.72
7.0.110.0070.00615.72
7.0.100.0080.00615.54
7.0.90.0070.00915.73
7.0.80.0040.01015.64
7.0.70.0090.00815.61
7.0.60.0050.01215.63
7.0.50.0030.00815.71
7.0.40.0050.00814.45
7.0.30.0090.00414.41
7.0.20.0030.00714.45
7.0.10.0040.00814.26
7.0.00.0040.00814.38
5.6.400.0070.00814.18
5.6.390.0090.00614.08
5.6.380.0070.00814.34
5.6.370.0070.00714.24
5.6.360.0030.01014.46
5.6.350.0040.00414.24
5.6.340.0030.01014.29
5.6.330.0080.00614.36
5.6.320.0050.00814.43
5.6.310.0050.00814.11
5.6.300.0020.01014.23
5.6.290.0030.01014.41
5.6.280.0000.01114.53
5.6.270.0070.00614.09
5.6.260.0060.00514.05
5.6.250.0060.00514.08
5.6.240.0110.00014.34
5.6.230.0080.00914.38
5.6.220.0040.00914.14
5.6.210.0070.00914.20
5.6.200.0020.01014.24
5.6.190.0020.01414.06
5.6.180.0060.00913.99
5.6.170.0060.00614.24
5.6.160.0080.00614.30
5.6.150.0050.00714.32
5.6.140.0080.00514.32
5.6.130.0050.00914.25
5.6.120.0030.00814.33
5.6.110.0020.01014.35
5.6.100.0000.01314.35
5.6.90.0030.01114.01
5.6.80.0020.00714.05
5.6.70.0070.00714.22
5.6.60.0060.01014.14
5.6.50.0060.00514.25
5.6.40.0020.01014.02
5.6.30.0030.00814.13
5.6.20.0040.00814.23
5.6.10.0050.00614.14
5.6.00.0090.00514.10

preferences:
53.97 ms | 400 KiB | 5 Q