3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [ 1=>['id'=>1,'name'=>'父1','father'=>NULL], 2=>['id'=>2,'name'=>'父2','father'=>NULL], 3=>['id'=>3,'name'=>'父3','father'=>NULL], 4=>['id'=>4,'name'=>'儿1-1','father'=>1], 5=>['id'=>5,'name'=>'儿1-2','father'=>1], 6=>['id'=>6,'name'=>'儿1-3','father'=>1], 7=>['id'=>7,'name'=>'儿2-1','father'=>2], 8=>['id'=>8,'name'=>'儿2-1','father'=>2], 9=>['id'=>9,'name'=>'儿3-1','father'=>3], 10=>['id'=>10,'name'=>'儿3-1-1','father'=>9], 11=>['id'=>11,'name'=>'儿1-1-1','father'=>4], 12=>['id'=>12,'name'=>'儿2-1-1','father'=>7], ]; function generateTree($items){ $tree = array(); foreach($items as $item){ if(isset($items[$item['father']])){ $items[$item['father']]['son'][] = &$items[$item['id']]; }else{ $tree[] = &$items[$item['id']]; } } return $tree; } $tree = generateTree($arr); print_r($tree);

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)
8.3.70.0030.01318.36
8.3.60.0130.00716.50
8.3.50.0120.00316.38
8.3.40.0070.00718.79
8.3.30.0140.00418.79
8.3.20.0080.00018.98
8.3.10.0030.00520.90
8.3.00.0090.00017.93
8.2.190.0110.00416.58
8.2.180.0070.01518.39
8.2.170.0180.00022.96
8.2.160.0110.00420.86
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0070.00019.77
8.2.120.0080.00026.35
8.2.110.0030.00619.27
8.2.100.0080.00417.84
8.2.90.0000.00817.50
8.2.80.0050.00318.78
8.2.70.0030.00517.93
8.2.60.0030.00518.05
8.2.50.0060.00318.10
8.2.40.0000.00821.07
8.2.30.0000.00719.57
8.2.20.0070.00018.18
8.2.10.0000.00818.21
8.2.00.0000.00819.55
8.1.280.0070.01425.92
8.1.270.0030.00523.97
8.1.260.0000.00926.35
8.1.250.0080.00028.09
8.1.240.0100.00023.70
8.1.230.0040.00822.66
8.1.220.0000.00818.60
8.1.210.0060.00318.77
8.1.200.0050.00317.23
8.1.190.0030.00617.23
8.1.180.0000.00918.10
8.1.170.0040.00418.49
8.1.160.0000.00718.78
8.1.150.0030.00518.91
8.1.140.0070.00417.76
8.1.130.0040.00418.91
8.1.120.0000.01117.37
8.1.110.0030.00517.48
8.1.100.0070.00317.47
8.1.90.0060.00317.41
8.1.80.0030.00717.35
8.1.70.0050.00317.52
8.1.60.0040.00417.67
8.1.50.0040.00417.54
8.1.40.0030.00517.43
8.1.30.0040.00717.58
8.1.20.0040.00417.60
8.1.10.0000.00917.60
8.1.00.0040.00417.46
8.0.300.0040.00418.77
8.0.290.0030.00616.63
8.0.280.0000.00718.56
8.0.270.0040.00417.27
8.0.260.0040.00417.34
8.0.250.0040.00416.87
8.0.240.0000.00816.99
8.0.230.0000.00716.87
8.0.220.0080.00016.80
8.0.210.0070.00016.86
8.0.200.0070.00016.96
8.0.190.0000.00816.95
8.0.180.0040.00416.93
8.0.170.0040.00416.80
8.0.160.0070.00016.95
8.0.150.0110.00016.87
8.0.140.0000.00816.83
8.0.130.0030.00313.37
8.0.120.0050.00316.92
8.0.110.0000.00816.87
8.0.100.0040.00416.78
8.0.90.0040.00416.95
8.0.80.0090.01216.82
8.0.70.0040.00416.73
8.0.60.0000.00716.97
8.0.50.0040.00416.93
8.0.30.0140.00517.04
8.0.20.0130.00717.40
8.0.10.0000.00716.91
8.0.00.0110.01216.66
7.4.330.0000.00515.55
7.4.320.0030.00316.66
7.4.300.0030.00316.57
7.4.290.0080.00016.66
7.4.280.0030.00516.50
7.4.270.0060.00316.59
7.4.260.0000.00716.60
7.4.250.0020.00516.58
7.4.240.0070.00016.59
7.4.230.0030.00316.32
7.4.220.0070.00016.68
7.4.210.0050.01016.64
7.4.200.0050.00216.73
7.4.160.0080.01016.53
7.4.140.0080.01017.86
7.4.130.0090.00916.55
7.4.120.0090.01016.61
7.4.110.0090.00916.32
7.4.100.0140.00716.61
7.4.90.0120.00816.60
7.4.80.0150.00619.39
7.4.70.0130.00316.62
7.4.60.0130.00916.45
7.4.50.0070.01016.48
7.4.40.0180.00016.57
7.4.00.0040.01314.71
7.3.330.0030.00313.24
7.3.320.0040.00413.31
7.3.310.0000.00716.41
7.3.300.0000.00716.24
7.3.290.0000.00716.38
7.3.280.0040.01216.45
7.3.260.0110.00716.51
7.3.240.0130.00516.44
7.3.230.0060.01116.21
7.3.210.0130.00316.34
7.3.200.0070.01016.68
7.3.190.0220.00016.56
7.3.180.0060.00916.45
7.3.170.0060.01016.33
7.3.160.0070.01016.43
7.3.120.0070.01414.58
7.3.110.0100.00714.76
7.3.100.0100.00914.86
7.3.90.0040.01014.91
7.3.80.0030.01214.58
7.3.70.0070.01114.90
7.3.60.0110.00414.99
7.3.50.0040.00414.97
7.3.40.0060.00314.90
7.3.30.0000.00814.55
7.3.20.0030.01016.24
7.3.10.0050.00816.62
7.3.00.0000.01616.50
7.2.330.0090.00916.75
7.2.320.0140.00716.88
7.2.310.0100.00716.61
7.2.300.0070.01116.53
7.2.290.0060.01216.81
7.2.250.0100.01014.93
7.2.240.0060.01315.32
7.2.230.0040.01515.00
7.2.220.0090.00315.07
7.2.210.0030.01014.80
7.2.200.0060.00615.17
7.2.190.0000.01215.21
7.2.180.0030.01415.09
7.2.170.0060.00915.15
7.2.60.0510.01114.91
7.2.50.0100.01315.21
7.2.40.0190.00714.98
7.2.30.1880.00815.38
7.2.20.1800.01115.39
7.2.10.3290.00915.52
7.2.00.0120.00915.60
7.1.330.0000.01615.47
7.1.320.0060.00316.05
7.1.310.0000.01315.60
7.1.300.0000.01415.88
7.1.290.0030.01015.71
7.1.280.0060.00615.93
7.1.270.0000.00815.76
7.1.260.0040.01215.73
7.1.200.0090.00315.71
7.1.170.0130.00914.00
7.1.160.0350.01116.82
7.1.150.0160.01216.58
7.1.140.0150.00716.58
7.1.130.0140.01216.74
7.1.120.0350.01217.02
7.1.110.0160.00716.46
7.1.100.0120.01216.39
7.1.90.0770.01215.92
7.1.80.0160.00916.03
7.1.70.0110.00915.45
7.1.60.0290.01133.38
7.1.50.0340.01232.75
7.1.40.0550.01532.73
7.1.30.0430.01532.79
7.1.20.0410.01532.63
7.1.10.0140.01214.66
7.1.00.0170.01214.77

preferences:
28.55 ms | 401 KiB | 5 Q