3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = array ( 'expanded' => 1, 'key' => 'root_1', 'title' => 'root', 'children' => array ( 0 => array ( 'folder' => 1, 'key' => 34, 'title' => 'YAY PROJECTS' ), 1 => array ( 'expanded' => 1, 'folder' => 1, 'key' => 6, 'title' => 'Grand Designs Episodes', 'children' => array ( 0 => array ( 'folder' => 1, 'key' => 8, 'title' => 'AU Episodes' ), 1 => array ( 'expanded' => 1, 'folder' => 1, 'key' => 7, 'title' => 'UK Episodes', 'children' => array ( 0 => array ( 'key' => 9, 'title' => 'Start something' ), 1 => array ( 'key' => 2, 'title' => 'Grand Designs Season 10' ), ), ) ) ), 2 => array ( 'expanded' => 1, 'folder' => 1, 'key' => 5, 'title' => 'Animations', 'children' => array ( 0 => array ( 'key' => 4, 'title' => 'Futurama Episode 191' ), 1 => array ( 'key' => 3, 'title' => 'Miniscule Series 5 Ep1' ), 2 => array ( 'key' => 1, 'title' => 'The Simpsons Episode 459' ) ) ), 3 => array ( 'folder' => 1, 'key' => 11, 'title' => 'Test Folder' ), 4 => array ( 'folder' => 1, 'key' => 10, 'title' => 'Testing' ) ) ); function generateParentIds(&$input, $parentId = 0) { $input['parent_id'] = $parentId; if (isset($input['children'])) { foreach ($input['children'] as &$child) { generateParentIds($child, $input['key']); } } } generateParentIds($input); print_r($input);

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)
8.3.60.0170.00316.50
8.3.50.0090.00917.98
8.3.40.0150.00618.69
8.3.30.0150.00019.27
8.3.20.0070.00024.18
8.3.10.0040.00424.66
8.3.00.0000.00826.16
8.2.180.0040.01125.92
8.2.170.0060.01218.95
8.2.160.0080.00622.96
8.2.150.0000.00725.66
8.2.140.0140.00024.66
8.2.130.0000.00826.16
8.2.120.0170.00026.16
8.2.110.0140.00720.55
8.2.100.0090.00317.84
8.2.90.0040.00417.75
8.2.80.0080.00018.78
8.2.70.0000.00817.93
8.2.60.0030.00618.16
8.2.50.0070.00019.21
8.2.40.0060.00321.06
8.2.30.0040.00419.22
8.2.20.0000.00718.13
8.2.10.0000.00719.39
8.2.00.0040.00419.33
8.1.280.0060.00925.92
8.1.270.0040.00423.99
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0070.00319.58
8.1.230.0080.00417.83
8.1.220.0060.00317.76
8.1.210.0030.00518.77
8.1.200.0030.00617.48
8.1.190.0040.00418.89
8.1.180.0000.00818.72
8.1.170.0060.00318.59
8.1.160.0050.00219.09
8.1.150.0040.00418.91
8.1.140.0070.00018.87
8.1.130.0070.00020.19
8.1.120.0040.00317.42
8.1.110.0070.00017.37
8.1.100.0080.00017.37
8.1.90.0000.00717.38
8.1.80.0030.00517.52
8.1.70.0030.00317.48
8.1.60.0000.00817.54
8.1.50.0060.00317.57
8.1.40.0040.00417.44
8.1.30.0080.00017.69
8.1.20.0040.00417.68
8.1.10.0070.00017.45
8.1.00.0090.00317.46
8.0.300.0000.00818.99
8.0.290.0050.00316.63
8.0.280.0030.00318.47
8.0.270.0070.00016.84
8.0.260.0030.00318.45
8.0.250.0030.00316.97
8.0.240.0060.00317.02
8.0.230.0000.00716.86
8.0.220.0000.00716.90
8.0.210.0040.00416.88
8.0.200.0040.00416.93
8.0.190.0040.00416.97
8.0.180.0030.00516.83
8.0.170.0090.00016.86
8.0.160.0040.00416.92
8.0.150.0060.00616.82
8.0.140.0000.00716.82
8.0.130.0000.00513.38
8.0.120.0070.00016.74
8.0.110.0040.00416.77
8.0.100.0000.00816.85
8.0.90.0040.00416.75
8.0.80.0110.00516.88
8.0.70.0040.00416.72
8.0.60.0000.00716.69
8.0.50.0000.00716.80
8.0.30.0140.00317.15
8.0.20.0130.00617.02
8.0.10.0040.00416.88
8.0.00.0130.00716.90
7.4.330.0040.00015.55
7.4.320.0060.00016.68
7.4.300.0070.00016.43
7.4.290.0080.00016.66
7.4.280.0040.00416.50
7.4.270.0000.00716.59
7.4.260.0040.00416.60
7.4.250.0040.00416.46
7.4.240.0000.00716.52
7.4.230.0000.00716.70
7.4.220.0030.00416.58
7.4.210.0070.00716.52
7.4.200.0000.00716.62
7.4.130.0140.00816.49
7.4.120.0140.00416.52
7.4.110.0140.00316.64
7.4.100.0060.01316.52
7.4.90.0030.01316.49
7.4.80.0070.01419.39
7.4.70.0100.00716.52
7.4.60.0070.01016.48
7.4.50.0060.01316.09
7.4.40.0120.00616.43
7.4.30.0100.01016.35
7.4.20.0060.01616.11
7.4.10.0060.01116.48
7.4.00.0100.00716.55
7.3.330.0000.00716.44
7.3.320.0000.00513.34
7.3.310.0000.00716.25
7.3.300.0000.00716.43
7.3.290.0080.00716.36
7.3.260.0170.00016.61
7.3.240.0100.00816.50
7.3.230.0100.01016.70
7.3.210.0120.00416.36
7.3.200.0150.00616.47
7.3.190.0090.00916.38
7.3.180.0060.01016.67
7.3.170.0130.01016.33
7.3.160.0160.00716.61
7.3.150.0070.01016.53
7.3.140.0060.01516.34
7.3.130.0210.00016.43
7.3.120.0100.00716.45
7.3.110.0100.00716.56
7.3.100.0070.01416.30
7.3.90.0060.01216.38
7.3.80.0060.01216.38
7.3.70.0180.00016.45
7.3.60.0160.00616.43
7.3.50.0080.00916.34
7.3.40.0120.00916.41
7.3.30.0090.00916.43
7.3.20.0090.00916.45
7.3.10.0060.01316.57
7.3.00.0070.01016.38
7.2.330.0070.01716.35
7.2.320.0090.00916.81
7.2.310.0090.00616.60
7.2.300.0060.01016.57
7.2.290.0120.01116.67
7.2.280.0100.01316.61
7.2.270.0120.00616.83
7.2.260.0070.01016.71
7.2.250.0100.01316.27
7.2.240.0170.00816.67
7.2.230.0120.00616.54
7.2.220.0000.01716.73
7.2.210.0120.00416.61
7.2.200.0030.01516.48
7.2.190.0070.01016.53
7.2.180.0060.01116.36
7.2.170.0070.01016.54
7.2.160.0100.00716.70
7.2.150.0120.00916.58
7.2.140.0170.00716.46
7.2.130.0280.00016.54
7.2.120.0080.01116.44
7.2.110.0140.01016.54
7.2.100.0100.01316.59
7.2.90.0070.01616.61
7.2.80.0130.01016.59
7.2.70.0070.01716.74
7.2.60.0120.01216.68
7.2.50.0110.00716.65
7.2.40.0090.00916.75
7.2.30.0040.01516.71
7.2.20.0040.01516.70
7.2.10.0150.00316.51
7.2.00.0060.01316.63

preferences:
66.41 ms | 401 KiB | 5 Q