3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ll = new SplDoublyLinkedList(); $ll->push('ze'); $ll->push('ome'); $ll->push('yei'); $ll->push('nahui'); $ll->rewind(); // HHVM works fine $iterations_done = iterator_apply($ll, function(Iterator $it) { echo implode("\t=>", array( $it->key(), $it->current(), ucfirst($it->current()) )),"\n"; return true; }, array($ll)); echo "Did iterate {$iterations_done} times \n"; $ll->rewind(); $iterations_done = iterator_apply($ll, function(Iterator $it) { echo implode("\t=>", array( $it->key(), $it->current(), ucfirst($it->current()) )),"\n"; $it->next(); return true; }, array($ll)); echo "Did iterate {$iterations_done} times \n"; $ll->setIteratorMode(SplDoublyLinkedList::IT_MODE_FIFO | SplDoublyLinkedList::IT_MODE_DELETE); var_dump($ll->count()); foreach($ll as $key => $val) { echo "{$key}\t",ucfirst($val),"\n"; } var_dump($ll->count());

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)
8.4.120.0060.00322.26
8.4.110.0130.00822.49
8.4.100.0090.01017.92
8.4.90.0120.00718.78
8.4.80.0100.00718.62
8.4.70.0060.00317.98
8.4.60.0100.00820.39
8.4.50.0160.01018.40
8.4.40.0160.00617.91
8.4.30.0070.01417.67
8.4.20.0140.00718.63
8.4.10.0090.00017.61
8.3.250.0090.00919.05
8.3.240.0110.00916.64
8.3.230.0030.00516.73
8.3.220.0100.01017.38
8.3.210.0090.00618.43
8.3.200.0060.00416.75
8.3.190.0080.00819.12
8.3.180.0060.00318.48
8.3.170.0140.00418.81
8.3.160.0100.01018.31
8.3.150.0190.00018.24
8.3.140.0070.00417.25
8.3.130.0060.00318.21
8.3.120.0090.00020.74
8.3.110.0060.00320.94
8.3.100.0120.00824.06
8.3.90.0040.00826.77
8.3.80.0100.00018.43
8.3.70.0140.01018.56
8.3.60.0040.01618.31
8.3.50.0160.00717.96
8.3.40.0200.00918.37
8.3.30.0130.00618.89
8.3.20.0000.00818.91
8.3.10.0030.00623.47
8.3.00.0050.00322.33
8.2.290.0110.00920.42
8.2.280.0110.01018.27
8.2.270.0090.00919.08
8.2.260.0120.00316.31
8.2.250.0080.00016.46
8.2.240.0000.00916.98
8.2.230.0000.00922.58
8.2.220.0090.00037.54
8.2.210.0040.00426.77
8.2.200.0060.00318.04
8.2.190.0130.00318.27
8.2.180.0150.00418.13
8.2.170.0140.00322.96
8.2.160.0100.00321.14
8.2.150.0050.00324.18
8.2.140.0000.00924.66
8.2.130.0040.00426.16
8.2.120.0080.00018.72
8.2.110.0080.00420.97
8.2.100.0090.00317.72
8.2.90.0060.00319.21
8.2.80.0040.00417.97
8.2.70.0000.00817.50
8.2.60.0060.00317.63
8.2.50.0050.00317.98
8.2.40.0040.00419.79
8.2.30.0070.00018.09
8.2.20.0040.00418.16
8.2.10.0000.00717.98
8.2.00.0060.00319.39
8.1.330.0090.01121.61
8.1.320.0160.00218.28
8.1.310.0070.00018.45
8.1.300.0090.00617.79
8.1.290.0060.00330.84
8.1.280.0100.00625.92
8.1.270.0050.00223.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0140.00721.27
8.1.230.0040.00820.32
8.1.220.0000.00817.76
8.1.210.0050.00318.77
8.1.200.0050.00517.23
8.1.190.0050.00317.22
8.1.180.0080.00018.10
8.1.170.0030.00517.62
8.1.160.0030.00518.98
8.1.150.0040.00418.98
8.1.140.0040.00419.04
8.1.130.0030.00618.96
8.1.120.0000.00917.38
8.1.110.0060.00317.38
8.1.100.0050.00317.53
8.1.90.0040.00417.47
8.1.80.0060.00317.39
8.1.70.0030.00317.51
8.1.60.0080.00017.64
8.1.50.0040.00417.61
8.1.40.0030.00817.60
8.1.30.0040.00417.71
8.1.20.0000.00817.73
8.1.10.0000.00717.53
8.1.00.0030.00517.52
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0000.00718.40
8.0.270.0000.00816.92
8.0.260.0030.00318.92
8.0.250.0030.00317.05
8.0.240.0060.00316.97
8.0.230.0080.00017.06
8.0.220.0080.00017.01
8.0.210.0000.00716.93
8.0.200.0060.00016.91
8.0.190.0000.00817.03
8.0.180.0080.00016.90
8.0.170.0040.00417.09
8.0.160.0040.00417.02
8.0.150.0040.00416.82
8.0.140.0050.00316.97
8.0.130.0030.00313.35
8.0.120.0000.00716.96
8.0.110.0000.00717.02
8.0.100.0050.00316.83
8.0.90.0050.00317.03
8.0.80.0070.00917.00
8.0.70.0050.00216.99
8.0.60.0030.00616.93
8.0.50.0000.00816.98
8.0.30.0100.00917.22
8.0.20.0120.00917.40
8.0.10.0040.00416.95
8.0.00.0130.00516.94
7.4.330.0030.00315.55
7.4.320.0040.00416.68
7.4.300.0030.00316.63
7.4.290.0000.00716.48
7.4.280.0030.00716.54
7.4.270.0050.00216.64
7.4.260.0060.00316.55
7.4.250.0070.00016.36
7.4.240.0040.00416.57
7.4.230.0030.00316.72
7.4.220.0020.00516.35
7.4.210.0110.00716.66
7.4.200.0000.00816.69
7.4.160.0080.00916.65
7.4.140.0090.00917.86
7.4.130.0060.01216.57
7.4.120.0110.00816.56
7.4.110.0100.01316.58
7.4.100.0110.00616.55
7.4.90.0070.01016.40
7.4.80.0130.00919.39
7.4.70.0080.00816.55
7.4.60.0100.00616.70
7.4.50.0120.00316.40
7.4.40.0130.00316.37
7.4.10.0140.00514.88
7.4.00.0070.01114.97
7.3.330.0050.00013.28
7.3.320.0000.00713.38
7.3.310.0040.00416.36
7.3.300.0080.00016.49
7.3.290.0000.00716.42
7.3.280.0110.00916.37
7.3.260.0100.00716.48
7.3.240.0110.01216.47
7.3.230.0030.01516.52
7.3.210.0060.01216.45
7.3.200.0060.01216.75
7.3.190.0110.00616.56
7.3.180.0080.00916.65
7.3.170.0140.00716.36
7.3.160.0080.00816.37
7.3.130.0110.00914.67
7.3.120.0090.00914.81
7.3.110.0090.01014.77
7.3.100.0020.01314.86
7.3.90.0040.00814.81
7.3.80.0060.00714.87
7.3.70.0030.01314.57
7.3.60.0080.00814.87
7.3.50.0070.00714.90
7.3.40.0020.00914.77
7.3.30.0060.00814.87
7.3.20.0030.00916.67
7.3.10.0070.00716.74
7.3.00.0080.00716.67
7.2.330.0030.01716.83
7.2.320.0100.01016.70
7.2.310.0180.00316.63
7.2.300.0040.01216.52
7.2.290.0030.01516.55
7.2.260.0060.01315.03
7.2.250.0100.00815.11
7.2.240.0060.01115.18
7.2.230.0060.00815.08
7.2.220.0070.00914.97
7.2.210.0070.00614.91
7.2.200.0040.01115.13
7.2.190.0090.00715.18
7.2.180.0060.00515.01
7.2.170.0040.00815.06
7.2.160.0060.00815.05
7.2.150.0050.01016.95
7.2.140.0030.01317.05
7.2.130.0050.00716.64
7.2.120.0020.00816.92
7.2.110.0020.01316.95
7.2.100.0070.01116.85
7.2.90.0160.00616.22
7.2.80.0210.01016.29
7.2.70.0130.00816.18
7.2.60.0120.00716.47
7.2.50.0080.01016.36
7.2.40.0440.00516.42
7.2.30.0140.00816.35
7.2.20.0130.00916.25
7.2.10.0110.00916.25
7.2.00.0160.00716.12
7.1.330.0080.00515.79
7.1.320.0080.00315.90
7.1.310.0060.00915.96
7.1.300.0070.00815.72
7.1.290.0040.00815.89
7.1.280.0060.00815.83
7.1.270.0040.00815.87
7.1.260.0060.00715.64
7.1.250.0120.00315.91
7.1.240.0000.01115.77
7.1.230.0030.01215.87
7.1.220.0060.00915.54
7.1.210.0140.00515.18
7.1.200.0200.00515.19
7.1.190.0130.00515.08
7.1.180.0110.00715.21
7.1.170.0150.00515.06
7.1.160.0240.00615.02
7.1.150.0150.00815.19
7.1.140.0170.00315.14
7.1.130.0130.00515.06
7.1.120.0140.00815.10
7.1.110.0110.01015.18
7.1.100.0110.00815.07
7.1.90.0130.00915.16
7.1.80.0160.00715.23
7.1.70.0110.00915.24
7.1.60.0230.00320.99
7.1.50.0240.00621.26
7.1.40.0210.00921.18
7.1.30.0210.00720.96
7.1.20.0200.00720.88
7.1.10.0160.00714.95
7.1.00.0140.00415.05
7.0.330.0090.00315.30
7.0.320.0050.00915.48
7.0.310.0130.00414.85
7.0.300.0150.00514.85
7.0.290.0220.00514.73
7.0.280.0110.00914.75
7.0.270.0130.01214.83
7.0.260.0180.00614.85
7.0.250.0150.00514.92
7.0.240.0150.00914.60
7.0.230.0130.01014.83
7.0.220.0160.00914.79
7.0.210.0190.00514.87
7.0.200.0130.00714.85
7.0.190.0160.00814.71
7.0.180.0180.00714.80
7.0.170.0260.00614.76
7.0.160.0160.00614.80
7.0.150.0140.00814.75
7.0.140.0160.00714.69
7.0.130.0160.00914.79
7.0.120.0140.00914.86
7.0.110.0200.00414.65
7.0.100.0130.01114.80
7.0.90.0160.00714.82
7.0.80.0140.00714.79
7.0.70.0190.00814.81
7.0.60.0130.00814.92
7.0.50.0160.00514.94
7.0.40.0130.00613.56
7.0.30.0180.00613.62
7.0.20.0140.00913.47
7.0.10.0190.00813.56
7.0.00.0100.00813.58
5.6.400.0080.00514.58
5.6.390.0030.01014.59
5.6.380.0080.00614.60
5.6.370.0030.00814.17
5.6.360.0060.00814.33
5.6.350.0050.00714.29
5.6.340.0050.00714.26
5.6.330.0050.01014.34
5.6.320.0050.00714.11
5.6.310.0020.01114.47
5.6.300.0090.00414.23
5.6.290.0090.00614.48
5.6.280.0100.00714.53
5.6.270.0050.01314.23
5.6.260.0090.00814.34
5.6.250.0090.00614.29
5.6.240.0080.00714.40
5.6.230.0080.00914.28
5.6.220.0070.00914.29
5.6.210.0080.00814.24
5.6.200.0110.00514.34
5.6.190.0070.00814.19
5.6.180.0050.01314.31
5.6.170.0050.01114.26
5.6.160.0090.00614.31
5.6.150.0100.00714.32
5.6.140.0050.01114.14
5.6.130.0070.00714.25
5.6.120.0110.00514.28
5.6.110.0060.00914.33
5.6.100.0100.00714.36
5.6.90.0080.00814.30
5.6.80.0070.00814.13
5.6.70.0040.01214.37
5.6.60.0120.00614.22
5.6.50.0070.01114.18
5.6.40.0060.01114.21
5.6.30.0100.00514.27
5.6.20.0110.00414.27
5.6.10.0090.00914.20
5.6.00.0110.00814.36
5.5.380.0090.00911.02
5.5.370.0150.00010.92
5.5.360.0070.01011.08
5.5.350.0100.00711.16
5.5.340.0110.00711.12
5.5.330.0120.00710.93
5.5.320.0060.00611.12
5.5.310.0100.00510.88
5.5.300.0080.00811.36
5.5.290.0080.00811.41
5.5.280.0100.00510.94
5.5.270.0120.00811.07
5.5.260.0150.00311.27
5.5.250.0110.00411.04
5.5.240.0130.00311.24
5.5.230.0110.00411.24
5.5.220.0090.00310.86
5.5.210.0070.00811.16
5.5.200.0150.00010.98
5.5.190.0030.01011.25
5.5.180.0040.00811.20
5.5.170.0160.00313.88
5.5.160.0160.00011.22
5.5.150.0040.00911.09
5.5.140.0110.00511.10
5.5.130.0120.00410.88
5.5.120.0100.00311.22
5.5.110.0080.00810.90
5.5.100.0120.00311.20
5.5.90.0140.00511.03
5.5.80.0040.00810.98
5.5.70.0080.00511.00
5.5.60.0100.00311.18
5.5.50.0050.01011.25
5.5.40.0100.00711.20
5.5.30.0090.00611.18
5.5.20.0060.00911.29
5.5.10.0080.01210.94
5.5.00.0130.00210.98
5.4.450.0080.00411.21
5.4.440.0160.00011.28
5.4.430.0080.01111.29
5.4.420.0040.01411.12
5.4.410.0000.01510.88
5.4.400.0130.00310.90
5.4.390.0040.00811.09
5.4.380.0100.00510.91
5.4.370.0080.00311.00
5.4.360.0100.00311.20
5.4.350.0050.00811.37
5.4.340.0130.00311.04
5.4.330.0100.00410.87
5.4.320.0130.00410.64
5.4.310.0150.00010.67
5.4.300.0100.00610.79
5.4.290.0110.00011.17
5.4.280.0150.00011.03
5.4.270.0090.00410.78
5.4.260.0060.00610.84
5.4.250.0070.00811.19
5.4.240.0060.00911.21
5.4.230.0060.00610.95
5.4.220.0110.00310.71
5.4.210.0100.00711.14
5.4.200.0130.00510.90
5.4.190.0120.00011.03
5.4.180.0110.00710.97
5.4.170.0110.00010.96
5.4.160.0070.00711.04
5.4.150.0090.00910.94
5.4.140.0100.00511.32
5.4.130.0060.00611.16
5.4.120.0080.00811.06
5.4.110.0150.00010.84
5.4.100.0080.00810.79
5.4.90.0100.00211.03
5.4.80.0140.00411.09
5.4.70.0030.01010.86
5.4.60.0070.01111.23
5.4.50.0080.00611.21
5.4.40.0110.00511.03
5.4.30.0140.00011.22
5.4.20.0080.00311.04
5.4.10.0100.00610.99
5.4.00.0040.00911.07
5.3.290.0070.00710.73
5.3.280.0100.00310.55
5.3.270.0000.01110.57
5.3.260.0040.00710.69
5.3.250.0060.00610.60
5.3.240.0120.00510.39
5.3.230.0110.00010.56
5.3.220.0000.01310.38
5.3.210.0040.00910.45
5.3.200.0080.00410.49
5.3.190.0110.00810.55
5.3.180.0060.00610.57
5.3.170.0070.00710.61
5.3.160.0080.00510.59
5.3.150.0110.00410.65
5.3.140.0070.00710.58
5.3.130.0150.00510.62
5.3.120.0090.00510.60
5.3.110.0040.00810.26
5.3.100.0040.00810.53
5.3.90.0100.00510.50
5.3.80.0150.00010.50
5.3.70.0030.00710.54
5.3.60.0050.00910.49
5.3.50.0120.00310.61
5.3.40.0060.00910.60
5.3.30.0040.01110.52
5.3.20.0070.01110.61
5.3.10.0130.00310.17
5.3.00.0120.00410.37
5.2.170.0100.0029.07
5.2.160.0060.0069.34
5.2.150.0110.0009.31
5.2.140.0030.0079.22
5.2.130.0000.0098.95
5.2.120.0060.0069.31
5.2.110.0100.0029.25
5.2.100.0090.0039.07
5.2.90.0000.0109.21
5.2.80.0070.0048.95
5.2.70.0070.0048.89
5.2.60.0060.0039.09
5.2.50.0090.0039.30
5.2.40.0050.0059.26
5.2.30.0030.0099.17
5.2.20.0000.0089.07
5.2.10.0090.0038.94
5.2.00.0090.0038.66
5.1.60.0100.0008.05
5.1.50.0090.0028.27
5.1.40.0030.0078.28
5.1.30.0030.0078.48
5.1.20.0110.0008.29
5.1.10.0070.0048.43
5.1.00.0050.0028.11
5.0.50.0070.0007.51
5.0.40.0040.0047.51
5.0.30.0080.0007.51
5.0.20.0070.0007.51
5.0.10.0000.0097.51
5.0.00.0070.0007.51
4.4.90.0040.0047.51
4.4.80.0040.0047.51
4.4.70.0000.0067.51
4.4.60.0000.0087.51
4.4.50.0000.0087.51
4.4.40.0040.0047.51
4.4.30.0000.0087.51
4.4.20.0040.0027.51
4.4.10.0060.0037.51
4.4.00.0060.0007.51
4.3.110.0000.0087.51
4.3.100.0080.0007.51
4.3.90.0050.0027.51
4.3.80.0070.0007.51
4.3.70.0000.0087.51
4.3.60.0050.0007.51
4.3.50.0000.0067.51
4.3.40.0080.0007.51
4.3.30.0030.0037.51
4.3.20.0000.0047.51
4.3.10.0040.0007.51
4.3.00.0000.0057.51

preferences:
33.53 ms | 403 KiB | 5 Q