3v4l.org

run code in 300+ PHP versions simultaneously
<?php /* * Examples of DoublyLinkedList */ $obj = new SplDoublyLinkedList(); // Check wither linked list is empty if ($obj->isEmpty()) { echo "Adding nodes to Linked List<br>"; $obj->push(2); $obj->push(3); echo "Adding the node at beginning of doubly linked list <br>"; $obj->unshift(10); } echo "<br>Our Linked List:"; print_r($obj); $curr = $obj->current(); // this will return NULL as we have not set initial node. echo "\r\n \r\n"; echo $obj->key(); echo "\r\n \r\n"; echo "<br> Rewinding the position so that current node points to first node "; $obj->rewind(); echo "<br>Current node of the linked list:"; echo $obj->current(); // this will print first node of the linked list. echo "\r\n \r\n"; echo $obj->key(); echo "\r\n \r\n"; echo "<br>Moving to Next node:"; $obj->next(); echo "<br>Printing the next node:"; echo $obj->current();

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)
8.3.60.0030.01016.50
8.3.50.0120.00319.99
8.3.40.0130.00718.71
8.3.30.0100.00319.10
8.3.20.0040.00420.16
8.3.10.0040.00423.48
8.3.00.0040.00419.25
8.2.180.0110.00416.38
8.2.170.0070.00722.96
8.2.160.0110.00420.36
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.01026.16
8.2.120.0080.00021.00
8.2.110.0060.00320.29
8.2.100.0090.00318.22
8.2.90.0040.00419.26
8.2.80.0080.00017.97
8.2.70.0080.00017.38
8.2.60.0080.00017.80
8.2.50.0090.00018.07
8.2.40.0070.00018.22
8.2.30.0040.00419.50
8.2.20.0030.00517.69
8.2.10.0030.00518.07
8.2.00.0040.00417.56
8.1.270.0030.00623.82
8.1.260.0030.00326.35
8.1.250.0050.00228.09
8.1.240.0060.00323.82
8.1.230.0090.00319.15
8.1.220.0040.00417.79
8.1.210.0040.00418.77
8.1.200.0060.00317.10
8.1.190.0030.00517.10
8.1.180.0090.00018.10
8.1.170.0040.00418.66
8.1.160.0040.00321.97
8.1.150.0040.00418.84
8.1.140.0000.00717.30
8.1.130.0030.00317.84
8.1.120.0030.00417.38
8.1.110.0080.00017.47
8.1.100.0030.00317.45
8.1.90.0040.00417.45
8.1.80.0050.00317.36
8.1.70.0000.00817.29
8.1.60.0060.00317.56
8.1.50.0040.00417.34
8.1.40.0070.00017.48
8.1.30.0040.00417.55
8.1.20.0080.00017.64
8.1.10.0000.00717.49
8.1.00.0000.00717.44
8.0.300.0060.00318.77
8.0.290.0000.00716.75
8.0.280.0000.00818.46
8.0.270.0070.00017.19
8.0.260.0030.00317.26
8.0.250.0030.00316.97
8.0.240.0050.00217.03
8.0.230.0050.00316.79
8.0.220.0060.00316.74
8.0.210.0030.00316.75
8.0.200.0030.00316.79
8.0.190.0000.00716.82
8.0.180.0050.00216.88
8.0.170.0040.00416.80
8.0.160.0040.00416.79
8.0.150.0000.00716.85
8.0.140.0030.00516.75
8.0.130.0000.00613.28
8.0.120.0090.00016.73
8.0.110.0000.00816.83
8.0.100.0030.00516.86
8.0.90.0000.00716.96
8.0.80.0060.01016.87
8.0.70.0000.00816.79
8.0.60.0040.00416.91
8.0.50.0000.00716.80
8.0.30.0130.01017.13
8.0.20.0130.00817.40
8.0.10.0040.00416.84
8.0.00.0070.01016.83
7.4.330.0020.00215.13
7.4.320.0000.00616.54
7.4.300.0000.00616.56
7.4.290.0000.00716.54
7.4.280.0040.00416.52
7.4.270.0030.00316.55
7.4.260.0070.00016.54
7.4.250.0040.00416.50
7.4.240.0030.00516.50
7.4.230.0030.00316.55
7.4.220.0170.00916.44
7.4.210.0090.00616.49
7.4.200.0030.00316.41
7.4.160.0040.01216.45
7.4.150.0120.00617.40
7.4.140.0070.01317.86
7.4.130.0110.00616.50
7.4.120.0090.00816.36
7.4.110.0040.01216.23
7.4.100.0080.00816.68
7.4.90.0150.00316.55
7.4.80.0090.00919.39
7.4.70.0060.01016.58
7.4.60.0080.01216.46
7.4.50.0040.00416.15
7.4.40.0120.00616.36
7.4.30.0130.00616.64
7.4.10.0070.01014.83
7.4.00.0050.01014.92
7.3.330.0030.00312.99
7.3.320.0020.00212.87
7.3.310.0030.00316.18
7.3.300.0060.00016.06
7.3.290.0120.00916.11
7.3.280.0070.01016.11
7.3.270.0150.00917.40
7.3.260.0070.01116.58
7.3.250.0060.01316.36
7.3.240.0150.00316.45
7.3.230.0150.00416.44
7.3.210.0080.00816.37
7.3.200.0060.01219.39
7.3.190.0140.00716.39
7.3.180.0120.00316.30
7.3.170.0080.00816.27
7.3.160.0040.01216.45
7.3.130.0000.01714.47
7.3.120.0020.01614.80
7.3.110.0090.01014.47
7.3.100.0030.01414.64
7.3.90.0030.01214.82
7.3.80.0090.00814.80
7.3.70.0080.00514.70
7.3.60.0050.01114.74
7.3.50.0070.00914.81
7.3.40.0000.01214.46
7.3.30.0080.00514.70
7.3.20.0050.00716.58
7.3.10.0050.01016.53
7.3.00.0080.00516.28
7.2.330.0070.01116.34
7.2.320.0110.00716.62
7.2.310.0030.01416.70
7.2.300.0140.00316.50
7.2.290.0030.01316.66
7.2.260.0030.01615.00
7.2.250.0070.01114.79
7.2.240.0070.00814.95
7.2.230.0050.01314.98
7.2.220.0090.00714.98
7.2.210.0050.01115.01
7.2.200.0020.01215.07
7.2.190.0080.00814.96
7.2.180.0050.01014.93
7.2.170.0090.00714.97
7.2.160.0050.00815.08
7.2.150.0070.00516.70
7.2.140.0060.00816.70
7.2.130.0070.00516.97
7.2.120.0120.00516.87
7.2.110.0080.00716.82
7.2.100.0050.01316.88
7.2.90.0050.01016.93
7.2.80.0020.01016.86
7.2.70.0080.00716.99
7.2.60.0020.01616.76
7.2.50.0070.01216.70
7.2.40.0080.00616.92
7.2.30.0030.01216.83
7.2.20.0070.00816.76
7.2.10.0050.00916.83
7.2.00.0080.00416.57
7.1.330.0050.00815.51
7.1.320.0030.01415.64
7.1.310.0100.00515.81
7.1.300.0110.00615.61
7.1.290.0020.00915.80
7.1.280.0070.00815.78
7.1.270.0030.00715.82
7.1.260.0050.00915.78
7.1.250.0030.00915.78
7.1.240.0050.01015.59
7.1.230.0050.01215.75
7.1.220.0070.00815.42
7.1.210.0030.00915.63
7.1.200.0020.01215.52
7.1.190.0060.00615.69
7.1.180.0030.00615.67
7.1.170.0050.00915.65
7.1.160.0050.00515.57
7.1.150.0050.00915.82
7.1.140.0050.01015.69
7.1.130.0050.01115.69
7.1.120.0050.00715.82
7.1.110.0020.01115.88
7.1.100.0130.00316.52
7.1.90.0050.00815.64
7.1.80.0080.00915.56
7.1.70.0060.00816.27
7.1.60.0090.00916.85
7.1.50.0030.01216.14
7.1.40.0050.00915.71
7.1.30.0090.00515.74
7.1.20.0040.01015.75
7.1.10.0060.00815.79
7.1.00.0090.02617.89
7.0.330.0040.01115.40
7.0.320.0120.00215.29
7.0.310.0030.00815.41
7.0.300.0060.00515.34
7.0.290.0100.00515.30
7.0.280.0050.00515.32
7.0.270.0070.00615.42
7.0.260.0060.00715.45
7.0.250.0050.00415.37
7.0.240.0050.01115.40
7.0.230.0080.00615.47
7.0.220.0090.00515.50
7.0.210.0010.00915.26
7.0.200.0020.00915.63
7.0.190.0040.01015.36
7.0.180.0070.00615.44
7.0.170.0030.00815.37
7.0.160.0080.00515.45
7.0.150.0000.01315.31
7.0.140.0070.02817.74
7.0.130.0060.00415.32
7.0.120.0060.00615.34
7.0.110.0010.01115.43
7.0.100.0070.00915.43
7.0.90.0020.01115.32
7.0.80.0050.00815.12
7.0.70.0060.00415.26
7.0.60.0070.02316.92
7.0.50.0040.02116.26
7.0.40.0040.02515.73
7.0.30.0130.02515.68
7.0.20.0110.02415.62
7.0.10.0040.01915.66
7.0.00.0050.02615.60
5.6.400.0060.00814.49
5.6.390.0100.00314.44
5.6.380.0050.00814.46
5.6.370.0060.00614.58
5.6.360.0080.00414.37
5.6.350.0030.01414.51
5.6.340.0050.00614.35
5.6.330.0080.00814.24
5.6.320.0030.01014.46
5.6.310.0030.00914.45
5.6.300.0080.00314.25
5.6.290.0040.00514.53
5.6.280.0110.00314.35
5.6.270.0000.01214.53
5.6.260.0080.00614.19
5.6.250.0050.01014.37
5.6.240.0030.01014.43
5.6.230.0060.00614.32
5.6.220.0000.01214.19
5.6.210.0040.03616.45
5.6.200.0050.01815.51
5.6.190.0040.01916.40
5.6.180.0150.01816.33
5.6.170.0160.02816.38
5.6.160.0060.03616.25
5.6.150.0060.03015.64
5.6.140.0030.03215.50
5.6.130.0030.03115.55
5.6.120.0080.02716.55
5.6.110.0090.03216.69
5.6.100.0070.02716.48
5.6.90.0090.03016.54
5.6.80.0080.02916.28
5.6.70.0050.00614.36
5.6.60.0060.00914.36
5.6.50.0110.00514.21
5.6.40.0030.00814.06
5.6.30.0060.00414.35
5.6.20.0060.00714.25
5.6.10.0080.00514.08
5.6.00.0030.00814.15
5.5.380.0040.00914.11
5.5.370.0040.00914.43
5.5.360.0020.01414.49
5.5.350.0100.02716.32
5.5.340.0050.01715.47
5.5.330.0040.02216.23
5.5.320.0150.01716.41
5.5.310.0110.01716.37
5.5.300.0060.02515.50
5.5.290.0050.02015.39
5.5.280.0010.02216.50
5.5.270.0070.02016.54
5.5.260.0050.02616.58
5.5.250.0100.02816.35
5.5.240.0130.02916.22
5.5.230.0080.00714.29
5.5.220.0070.00514.22
5.5.210.0070.00714.00
5.5.200.0030.01013.95
5.5.190.0070.00514.07
5.5.180.0080.00613.99
5.5.170.0040.00614.17
5.5.160.0050.00814.25
5.5.150.0030.01113.95
5.5.140.0030.01014.00
5.5.130.0020.01014.19
5.5.120.0040.01114.13
5.5.110.0050.00814.21
5.5.100.0100.00314.00
5.5.90.0090.00614.21
5.5.80.0030.00914.10
5.5.70.0050.01014.15
5.5.60.0050.00713.96
5.5.50.0050.00614.24
5.5.40.0030.01014.33
5.5.30.0050.00814.33
5.5.20.0100.00314.09
5.5.10.0030.01014.18
5.5.00.0050.00813.87
5.4.450.0130.02113.92
5.4.440.0080.02313.90
5.4.430.0160.01813.82
5.4.420.0210.01213.83
5.4.410.0100.02113.81
5.4.400.0070.01613.70
5.4.390.0280.01913.71
5.4.380.0130.02213.45
5.4.370.0160.02713.60
5.4.360.0150.01913.46
5.4.350.0180.02613.63
5.4.340.0100.02513.56
5.4.330.0050.00511.02
5.4.320.0040.01711.38
5.4.310.0040.01711.56
5.4.300.0030.02211.47
5.4.290.0040.01811.43
5.4.280.0040.01711.41
5.4.270.0030.01911.38
5.4.260.0020.02011.50
5.4.250.0050.01611.41
5.4.240.0030.01611.46
5.4.230.0040.01711.33
5.4.220.0050.01711.38
5.4.210.0060.01611.43
5.4.200.0040.01811.45
5.4.190.0060.01811.49
5.4.180.0070.01611.47
5.4.170.0060.01611.44
5.4.160.0050.01811.37
5.4.150.0050.01711.43
5.4.140.0050.01911.45
5.4.130.0040.01511.31
5.4.120.0060.01711.34
5.4.110.0040.01611.47
5.4.100.0030.01611.42
5.4.90.0060.01611.44
5.4.80.0050.01711.46
5.4.70.0060.01611.32
5.4.60.0060.02111.30
5.4.50.0070.01511.27
5.4.40.0050.01611.30
5.4.30.0040.01911.41
5.4.20.0030.01711.38
5.4.10.0050.01611.40
5.4.00.0030.01711.24
5.3.290.0060.03912.80
5.3.280.0070.03712.71
5.3.270.0100.04512.73
5.3.260.0040.04012.72
5.3.250.0090.03412.72
5.3.240.0070.03712.72
5.3.230.0060.04112.71
5.3.220.0080.03812.68
5.3.210.0070.04112.68
5.3.200.0090.03412.68
5.3.190.0060.04212.68
5.3.180.0060.03712.67
5.3.170.0050.03712.67
5.3.160.0100.03312.68
5.3.150.0050.03812.68
5.3.140.0110.04012.66
5.3.130.0080.04312.66
5.3.120.0080.03612.66
5.3.110.0050.04012.66
5.3.100.0040.03912.11
5.3.90.0040.03912.09
5.3.80.0080.03612.08
5.3.70.0080.04112.08
5.3.60.0070.04012.06
5.3.50.0060.04412.01
5.3.40.0070.04012.02
5.3.30.0030.03811.97
5.3.20.0060.04311.75
5.3.10.0110.03211.72
5.3.00.0070.03511.71
5.2.170.0070.0289.19
5.2.160.0050.0289.19
5.2.150.0050.0309.18
5.2.140.0060.0349.18
5.2.130.0080.0319.14
5.2.120.0050.0299.14
5.2.110.0050.0309.14
5.2.100.0040.0309.14
5.2.90.0060.0279.14
5.2.80.0030.0389.14
5.2.70.0050.0319.14
5.2.60.0040.0329.09
5.2.50.0060.0339.06
5.2.40.0070.0279.04
5.2.30.0050.0309.01
5.2.20.0070.0279.00
5.2.10.0060.0288.93
5.2.00.0080.0328.78
5.1.60.0040.0248.07
5.1.50.0030.0268.06
5.1.40.0070.0258.05
5.1.30.0060.0288.39
5.1.20.0090.0248.42
5.1.10.0070.0338.14
5.1.00.0070.0338.14
5.0.50.0030.0256.63
5.0.40.0020.0266.49
5.0.30.0070.0346.31
5.0.20.0010.0236.28
5.0.10.0030.0216.26
5.0.00.0040.0316.25
4.4.90.0020.0184.78
4.4.80.0020.0164.75
4.4.70.0040.0144.75
4.4.60.0040.0144.75
4.4.50.0020.0184.77
4.4.40.0050.0254.71
4.4.30.0040.0154.76
4.4.20.0040.0154.85
4.4.10.0030.0154.85
4.4.00.0030.0254.76
4.3.110.0030.0154.67
4.3.100.0010.0164.66
4.3.90.0020.0154.63
4.3.80.0010.0264.58
4.3.70.0020.0154.63
4.3.60.0020.0154.63
4.3.50.0020.0164.63
4.3.40.0020.0254.53
4.3.30.0030.0153.29
4.3.20.0020.0163.27
4.3.10.0020.0163.23
4.3.00.0070.01718.56

preferences:
127.63 ms | 400 KiB | 5 Q