3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [ 0=>['id'=>1,'name'=>'父1','father'=>0], 1=>['id'=>2,'name'=>'父2','father'=>0], 2=>['id'=>3,'name'=>'父3','father'=>0], 3=>['id'=>4,'name'=>'儿1-1','father'=>1], 4=>['id'=>5,'name'=>'儿1-2','father'=>1], 5=>['id'=>6,'name'=>'儿1-3','father'=>1], 6=>['id'=>7,'name'=>'儿2-1','father'=>2], 7=>['id'=>8,'name'=>'儿2-1','father'=>2], 8=>['id'=>9,'name'=>'儿3-1','father'=>3], 9=>['id'=>10,'name'=>'儿3-1-1','father'=>9], 10=>['id'=>11,'name'=>'儿1-1-1','father'=>4], 11=>['id'=>12,'name'=>'儿2-1-1','father'=>7], ]; function generateTree($arr,$id,$step){ static $tree=[]; foreach($arr as $key=>$val) { if($val['father'] == $id) { $flg = str_repeat('└―',$step); $val[$val['id']] = $flg.$val['name']; $tree[] = $val; generateTree($arr , $val['id'] ,$step+1); } } return $tree; } $tree = generateTree($arr,0,0); foreach ($tree as $val){ $new[] = $val['name'].'<br>'; } print_r($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)
8.3.60.0200.00016.63
8.3.50.0120.00316.77
8.3.40.0040.01118.79
8.3.30.0110.00718.46
8.3.20.0040.00419.12
8.3.10.0000.00820.82
8.3.00.0080.00019.53
8.2.180.0090.00618.41
8.2.170.0090.01222.96
8.2.160.0110.00320.75
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0040.00419.77
8.2.120.0040.00426.35
8.2.110.0070.00321.19
8.2.100.0090.00617.91
8.2.90.0080.00017.75
8.2.80.0030.00618.82
8.2.70.0050.00318.05
8.2.60.0040.00417.93
8.2.50.0040.00418.10
8.2.40.0090.00021.14
8.2.30.0040.00419.39
8.2.20.0040.00418.20
8.2.10.0040.00418.02
8.2.00.0050.00219.50
8.1.280.0090.01325.92
8.1.270.0040.00423.99
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0030.01017.36
8.1.230.0040.00819.11
8.1.220.0000.00918.55
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0080.00017.35
8.1.180.0080.00018.10
8.1.170.0040.00418.63
8.1.160.0040.00418.91
8.1.150.0040.00418.82
8.1.140.0100.00017.68
8.1.130.0000.00717.47
8.1.120.0070.00317.50
8.1.110.0040.00417.45
8.1.100.0030.00617.51
8.1.90.0020.00517.50
8.1.80.0000.01117.46
8.1.70.0000.00817.49
8.1.60.0000.00817.54
8.1.50.0040.00417.56
8.1.40.0030.00517.50
8.1.30.0060.00617.49
8.1.20.0040.00417.68
8.1.10.0060.00617.59
8.1.00.0080.00017.41
8.0.300.0030.00318.77
8.0.290.0060.00316.75
8.0.280.0030.00318.34
8.0.270.0000.00716.88
8.0.260.0030.00316.74
8.0.250.0070.00016.94
8.0.240.0000.00716.98
8.0.230.0070.00016.93
8.0.220.0000.00716.87
8.0.210.0070.00016.88
8.0.200.0030.00516.98
8.0.190.0050.00316.99
8.0.180.0000.00716.87
8.0.170.0030.00616.85
8.0.160.0040.00416.97
8.0.150.0030.00616.78
8.0.140.0030.00516.86
8.0.130.0000.00613.27
8.0.120.0020.00516.90
8.0.110.0030.00516.83
8.0.100.0070.00016.97
8.0.90.0070.00017.01
8.0.80.0090.00916.85
8.0.70.0070.00016.70
8.0.60.0070.00016.96
8.0.50.0000.00716.70
8.0.30.0140.00417.07
8.0.20.0110.01217.40
8.0.10.0080.00016.91
8.0.00.0100.00816.85
7.4.330.0060.00015.55
7.4.320.0000.00716.54
7.4.300.0000.00616.62
7.4.290.0000.00716.42
7.4.280.0030.00616.51
7.4.270.0000.01016.58
7.4.260.0050.00516.46
7.4.250.0040.00416.59
7.4.240.0030.00516.54
7.4.230.0070.00016.33
7.4.220.0040.00416.64
7.4.210.0050.01016.58
7.4.200.0070.00016.64
7.4.160.0110.00616.49
7.4.140.0110.00917.86
7.4.130.0130.00316.51
7.4.120.0100.00816.43
7.4.110.0130.00716.42
7.4.100.0140.00716.49
7.4.90.0140.00416.46
7.4.80.0170.00319.39
7.4.70.0100.00716.43
7.4.60.0100.00716.67
7.4.50.0050.00616.57
7.4.40.0070.01516.50
7.4.00.0050.01115.12
7.3.330.0000.00513.30
7.3.320.0050.00313.19
7.3.310.0030.00316.24
7.3.300.0070.00016.26
7.3.290.0040.00316.25
7.3.280.0000.01316.31
7.3.260.0140.00916.56
7.3.240.0100.01216.49
7.3.230.0170.00016.25
7.3.210.0060.01216.39
7.3.200.0100.01116.38
7.3.190.0100.00716.52
7.3.180.0090.00616.57
7.3.170.0110.01116.38
7.3.160.0110.00716.39
7.3.120.0060.01314.94
7.3.110.0090.00914.85
7.3.100.0060.00914.97
7.3.90.0000.01114.79
7.3.80.0100.00415.05
7.3.70.0080.00314.81
7.3.60.0050.00714.94
7.3.50.0120.00314.87
7.3.40.0060.00814.91
7.3.30.0060.00614.59
7.3.20.0050.00816.60
7.3.10.0030.01216.57
7.3.00.0060.00616.62
7.2.330.0100.01316.50
7.2.320.0160.00916.55
7.2.310.0120.00616.59
7.2.300.0100.01016.48
7.2.290.0150.00416.52
7.2.250.0030.01214.98
7.2.240.0130.00715.15
7.2.230.0060.01115.30
7.2.220.0040.00915.03
7.2.210.0100.00515.09
7.2.200.0050.00815.09
7.2.190.0030.01415.11
7.2.180.0060.00614.94
7.2.170.0040.00714.94
7.2.60.8690.01114.41
7.2.50.8790.01214.75
7.2.41.0190.00815.55
7.2.31.2360.01015.62
7.2.20.9030.00915.43
7.2.10.8310.00715.51
7.2.00.7360.01415.31
7.1.330.0030.01015.88
7.1.320.0040.00715.71
7.1.310.0070.00315.69
7.1.300.0070.01015.66
7.1.290.0050.00515.87
7.1.280.0020.00715.75
7.1.270.0090.00315.94
7.1.260.0080.00615.77
7.1.200.0000.01115.93
7.1.170.7670.00913.65
7.1.160.3460.01116.90
7.1.150.0870.01516.35
7.1.140.8710.00916.66
7.1.130.8260.01516.87
7.1.120.7280.01016.86
7.1.110.6400.01416.30
7.1.100.5530.01216.16
7.1.90.9610.01315.82
7.1.80.8830.01415.72
7.1.70.8320.01415.48
7.1.60.8120.01333.17
7.1.51.0090.02033.07
7.1.41.0880.01532.63
7.1.30.9570.01532.52
7.1.20.8580.01632.56
7.1.10.9070.01114.66
7.1.00.8780.01214.89

preferences:
50.89 ms | 400 KiB | 5 Q