3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tree = [ 0 => [ 'name' => 'root', 'data' => 0, 'children' => [ '1' => [ 'name' => 'Auto', 'data' => 0, 'children' => [ '2' => [ 'name' => 'Tyres', 'data' => 0, 'children' => [], ], '3' => [ 'name' => 'Audio', 'data' => 1, 'children' => [], ], ], ], '4' => [ 'name' => 'Dishes', 'data' => 0, 'children' => [ '5' => [ 'name' => 'Forks', 'data' => 0, 'children' => [], ], '6' => [ 'name' => 'Knives', 'data' => 0, 'children' => [ '7' => [ 'name' => 'Stainless steel', 'data' => 0, 'children' => [], ], '8' => [ 'name' => 'Silver', 'data' => 0, 'children' => [], ], ], ], ], ], ] ] ]; #var_dump($tree); function reduceTree($tree) { foreach ($tree['children'] as $key => $value) { if ($value['children']) { $tree['children'][$key] = reduceTree($value); } if (!$tree['data']) { unset($tree['children'][$key]); } } return $tree; } $new = reduceTree($tree[0]); var_dump($new);

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)
8.3.70.0130.00616.63
8.3.60.0100.01018.43
8.3.50.0080.01022.04
8.3.40.0110.00418.75
8.3.30.0090.00618.69
8.3.20.0040.00420.35
8.3.10.0080.00021.68
8.3.00.0040.00423.51
8.2.190.0160.00616.58
8.2.180.0100.01016.50
8.2.170.0120.00622.96
8.2.160.0070.00721.07
8.2.150.0050.00324.18
8.2.140.0060.00324.66
8.2.130.0040.00422.20
8.2.120.0030.00626.35
8.2.110.0060.00321.04
8.2.100.0110.00018.22
8.2.90.0040.00419.18
8.2.80.0000.00817.97
8.2.70.0080.00017.63
8.2.60.0050.00518.05
8.2.50.0060.00318.16
8.2.40.0040.00422.31
8.2.30.0040.00419.20
8.2.20.0000.00818.24
8.2.10.0040.00418.32
8.2.00.0030.00618.30
8.1.280.0150.00025.92
8.1.270.0080.00020.79
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0090.00023.84
8.1.230.0080.00318.89
8.1.220.0030.00617.79
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0030.00617.52
8.1.180.0050.00218.10
8.1.170.0050.00322.13
8.1.160.0030.00318.96
8.1.150.0080.00021.93
8.1.140.0050.00219.63
8.1.130.0020.00518.94
8.1.120.0000.00717.40
8.1.110.0060.00317.42
8.1.100.0040.00417.50
8.1.90.0000.01017.50
8.1.80.0050.00517.46
8.1.70.0040.00417.47
8.1.60.0050.00317.48
8.1.50.0030.00517.48
8.1.40.0030.00617.51
8.1.30.0000.00717.50
8.1.20.0070.00317.62
8.1.10.0040.00417.51
8.1.00.0070.00317.43
8.0.300.0060.00318.77
8.0.290.0070.00016.63
8.0.280.0040.00418.37
8.0.270.0070.00017.33
8.0.260.0000.00617.26
8.0.250.0000.00716.96
8.0.240.0060.00617.00
8.0.230.0030.00616.95
8.0.220.0060.00016.86
8.0.210.0000.00716.93
8.0.200.0000.00616.97
8.0.190.0040.00416.85
8.0.180.0040.00416.97
8.0.170.0000.00716.99
8.0.160.0040.00416.81
8.0.150.0040.00416.90
8.0.140.0050.00316.74
8.0.130.0070.00013.36
8.0.120.0050.00216.88
8.0.110.0040.00416.90
8.0.100.0040.00416.75
8.0.90.0000.00816.87
8.0.80.0030.01316.95
8.0.70.0000.00716.78
8.0.60.0000.00716.93
8.0.50.0040.00416.85
8.0.30.0080.01017.04
8.0.20.0110.01017.40
8.0.10.0000.00816.93
8.0.00.0110.00616.78
7.4.330.0000.00715.55
7.4.320.0000.00716.61
7.4.300.0030.00316.49
7.4.290.0070.00016.58
7.4.280.0050.00316.40
7.4.270.0030.00316.61
7.4.260.0030.00316.59
7.4.250.0000.00716.58
7.4.240.0000.00716.52
7.4.230.0000.00716.61
7.4.220.0070.01016.47
7.4.210.0090.00916.63
7.4.200.0040.00316.69
7.4.160.0090.00816.60
7.4.150.0100.00717.40
7.4.140.0080.01317.86
7.4.130.0120.00816.46
7.4.120.0080.01116.43
7.4.110.0070.01016.32
7.4.100.0070.01116.34
7.4.90.0130.00616.45
7.4.80.0080.00919.39
7.4.70.0100.00616.50
7.4.60.0040.01216.63
7.4.50.0030.01116.52
7.4.40.0130.00316.38
7.4.30.0160.00016.29
7.4.00.0130.00315.13
7.3.330.0030.00313.16
7.3.320.0030.00313.18
7.3.310.0040.00216.36
7.3.300.0040.00416.38
7.3.290.0040.00416.42
7.3.280.0090.00916.38
7.3.270.0070.01117.40
7.3.260.0080.01216.42
7.3.250.0060.01116.39
7.3.240.0110.00916.50
7.3.230.0070.01016.64
7.3.210.0030.01416.41
7.3.200.0090.00916.48
7.3.190.0110.00616.30
7.3.180.0110.00516.50
7.3.170.0160.00316.65
7.3.160.0110.00616.31
7.2.330.0120.00716.75
7.2.320.0120.00616.86
7.2.310.0090.00616.53
7.2.300.0080.01516.67
7.2.290.0090.00616.45
7.1.70.0060.00316.93
7.1.60.0060.00617.41
7.1.40.0130.01334.31
7.1.30.0170.01034.33
7.1.20.0170.01334.45
7.1.10.0070.00716.52
7.1.00.0000.01316.51
7.0.200.0070.01016.68
7.0.180.0000.01016.33
7.0.170.0070.00716.17
7.0.160.0030.00716.21
7.0.150.0000.01316.17
7.0.140.0000.01316.18
7.0.130.0030.00716.46
7.0.120.0100.00316.46
7.0.110.0000.01716.31
7.0.100.0030.01316.30
7.0.90.0030.01316.05
7.0.80.0000.01016.32
7.0.70.0000.01016.18
7.0.60.0030.01016.17
7.0.50.0000.01316.29
7.0.40.0030.00716.32
7.0.30.0030.00716.35
7.0.20.0070.00716.39
7.0.10.0030.01016.37
7.0.00.0100.00716.30

preferences:
18.12 ms | 401 KiB | 5 Q