3v4l.org

run code in 300+ PHP versions simultaneously
<?php $menu = [ 0 => [ 'id' => 1, 'parent_id' => 0, 'title' => 'Category 1', ], 2 => [ 'id' => 2, 'parent_id' => 0, 'title' => 'Category 2', ], 3 => [ 'id' => 3, 'parent_id' => 2, 'title' => 'Category 3', ], 4 => [ 'id' => 4, 'parent_id' => 3, 'title' => 'Category 4', ] ]; function appendItem(array &$haystack, array $toAppend): void { foreach ($haystack as &$menuItem) { if ($menuItem['id'] === $toAppend['parent_id']) { if (array_key_exists('child', $menuItem)) { $menuItem['child'][] = $toAppend; } else { $menuItem['child'] = [$toAppend]; } return; } if (array_key_exists('child', $menuItem)) { appendItem($menuItem['child'], $toAppend); } } } foreach ($menu as $key => $menuItem) { if ($menuItem['parent_id'] !== 0) { unset($menu[$key]); appendItem($menu, $menuItem); } } var_dump($menu);

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)
8.5.30.0100.00819.00
8.5.20.0150.00619.53
8.5.10.0070.01116.73
8.5.00.0100.01019.92
8.4.180.0100.01319.70
8.4.170.0120.01220.50
8.4.160.0130.01023.93
8.4.150.0080.00516.90
8.4.140.0070.00417.68
8.4.130.0120.00818.70
8.4.120.0140.00623.90
8.4.110.0120.01019.02
8.4.100.0070.01018.75
8.4.90.0090.01120.75
8.4.80.0050.00718.87
8.4.70.0120.00818.76
8.4.60.0110.00918.67
8.4.50.0060.00318.76
8.4.40.0000.01417.70
8.4.30.0140.00720.27
8.4.20.0100.01019.76
8.4.10.0100.00718.46
8.3.300.0070.01320.75
8.3.290.0120.00820.75
8.3.280.0100.01118.32
8.3.270.0120.00916.79
8.3.260.0130.00716.54
8.3.250.0110.00718.70
8.3.240.0110.00917.19
8.3.230.0140.00616.54
8.3.220.0060.00219.09
8.3.210.0160.00316.68
8.3.200.0060.00316.65
8.3.190.0040.00419.00
8.3.180.0120.00517.39
8.3.170.0070.01119.04
8.3.160.0090.00016.70
8.3.150.0130.00616.96
8.3.140.0120.00317.37
8.3.130.0030.00518.42
8.3.120.0080.00018.87
8.3.110.0080.00020.94
8.3.100.0080.00024.06
8.3.90.0070.00326.77
8.3.80.0100.00016.50
8.3.70.0120.00416.63
8.3.60.0180.00316.88
8.3.50.0060.01218.21
8.3.40.0040.01120.17
8.3.30.0070.00718.75
8.3.20.0090.00024.18
8.3.10.0060.00324.66
8.3.00.0040.00426.16
8.2.300.0100.01122.16
8.2.290.0110.00918.90
8.2.280.0120.01018.13
8.2.270.0100.00717.19
8.2.260.0050.00316.56
8.2.250.0000.00818.23
8.2.240.0060.00318.98
8.2.230.0160.00322.58
8.2.220.0080.00037.54
8.2.210.0050.00326.77
8.2.200.0050.00516.88
8.2.190.0030.01716.58
8.2.180.0110.00725.92
8.2.170.0040.01122.96
8.2.160.0120.00622.96
8.2.150.0040.00425.66
8.2.140.0070.00024.66
8.2.130.0090.00026.16
8.2.120.0000.00819.09
8.2.110.0040.00721.98
8.2.100.0100.00317.63
8.2.90.0030.00517.75
8.2.80.0040.00418.91
8.2.70.0040.00417.73
8.2.60.0000.00817.75
8.2.50.0090.00018.05
8.2.40.0040.00419.38
8.2.30.0050.00317.76
8.2.20.0070.00019.50
8.2.10.0040.00418.89
8.2.00.0040.00419.34
8.1.340.0100.01021.48
8.1.330.0120.00721.81
8.1.320.0110.00815.87
8.1.310.0080.00016.87
8.1.300.0080.00018.36
8.1.290.0080.00018.88
8.1.280.0130.00725.92
8.1.270.0000.00823.99
8.1.260.0050.00326.35
8.1.250.0060.00328.09
8.1.240.0030.00620.88
8.1.230.0060.00617.48
8.1.220.0040.00418.69
8.1.210.0040.00418.77
8.1.200.0040.00417.35
8.1.190.0080.00017.35
8.1.180.0050.00318.10
8.1.170.0000.00718.84
8.1.160.0000.00719.00
8.1.150.0040.00418.64
8.1.140.0080.00017.45
8.1.130.0000.00718.83
8.1.120.0000.00817.49
8.1.110.0040.00417.50
8.1.100.0040.00417.50
8.1.90.0050.00217.46
8.1.80.0070.00317.49
8.1.70.0030.00317.42
8.1.60.0040.00417.55
8.1.50.0030.00517.55
8.1.40.0000.00817.52
8.1.30.0050.00317.55
8.1.20.0080.00017.55
8.1.10.0040.00417.52
8.1.00.0050.00317.58
8.0.300.0040.00418.77
8.0.290.0120.00016.88
8.0.280.0030.00318.50
8.0.270.0000.00716.81
8.0.260.0000.00718.52
8.0.250.0000.00716.96
8.0.240.0030.00317.04
8.0.230.0000.00717.08
8.0.220.0000.00716.99
8.0.210.0040.00417.00
8.0.200.0070.00016.88
8.0.190.0030.00517.04
8.0.180.0050.00316.98
8.0.170.0040.00416.95
8.0.160.0070.00016.90
8.0.150.0030.00316.93
8.0.140.0040.00416.94
8.0.130.0060.00313.23
8.0.120.0000.00916.90
8.0.110.0040.00417.03
8.0.100.0080.00016.98
8.0.90.0080.00016.98
8.0.80.0070.00016.87
8.0.70.0050.00216.96
8.0.60.0090.00016.94
8.0.50.0060.00316.95
8.0.30.0080.00016.99
8.0.20.0000.00816.96
8.0.10.0080.00017.08
8.0.00.0080.00017.06
7.4.330.0060.00015.55
7.4.320.0030.00316.56
7.4.300.0060.00316.61
7.4.290.0000.00716.55
7.4.280.0000.00716.50
7.4.270.0000.00816.54
7.4.260.0030.00313.39
7.4.250.0070.00016.47
7.4.240.0040.00416.43
7.4.230.0080.00016.50
7.4.220.0050.00216.52
7.4.210.0030.00616.53
7.4.200.0000.00716.61
7.4.190.0040.00416.68
7.4.180.0040.00316.57
7.4.160.0040.00416.55
7.4.150.0080.00016.59
7.4.140.0050.00316.56
7.4.130.0050.00216.52
7.4.120.0040.00416.48
7.4.110.0000.00816.60
7.4.100.0080.00016.57
7.4.90.0040.00416.48
7.4.80.0030.00516.46
7.4.70.0000.00816.34
7.4.60.0080.00016.44
7.4.50.0000.00716.41
7.4.40.0020.00516.43
7.4.30.0040.00416.54
7.4.20.0000.00816.40
7.4.10.0060.00316.39
7.4.00.0040.00416.58
7.3.330.0040.00316.20
7.3.320.0000.00513.31
7.3.310.0030.00616.23
7.3.300.0050.00316.23
7.3.290.0000.00816.27
7.3.280.0040.00416.28
7.3.270.0040.00416.28
7.3.260.0040.00416.43
7.3.250.0060.00316.36
7.3.240.0090.00016.39
7.3.230.0030.00616.20
7.3.220.0060.00316.30
7.3.210.0030.00516.21
7.3.200.0050.00316.33
7.3.190.0030.00416.21
7.3.180.0070.00016.31
7.3.170.0040.00416.31
7.3.160.0000.00916.30
7.3.150.0080.00016.36
7.3.140.0000.00716.30
7.3.130.0040.00416.35
7.3.120.0040.00416.31
7.3.110.0080.00016.24
7.3.100.0030.00316.21
7.3.90.0080.00016.43
7.3.80.0030.00316.38
7.3.70.0040.00416.48
7.3.60.0040.00416.48
7.3.50.0000.00816.53
7.3.40.0000.00716.39
7.3.30.0070.00016.39
7.3.20.0060.00316.52
7.3.10.0000.00816.52
7.3.00.0000.00716.54

preferences:
59.29 ms | 1539 KiB | 5 Q