3v4l.org

run code in 300+ PHP versions simultaneously

@ 2018-06-03T01:57:39Z

<?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);

Output for git.master_jit, git.master, rfc.property-hooks: Array ( [0] => Array ( [id] => 1 [name] => 父1 [father] => [son] => Array ( [0] => Array ( [id] => 4 [name] => 儿1-1 [father] => 1 [son] => Array ( [0] => Array ( [id] => 11 [name] => 儿1-1-1 [father] => 4 ) ) ) [1] => Array ( [id] => 5 [name] => 儿1-2 [father] => 1 ) [2] => Array ( [id] => 6 [name] => 儿1-3 [father] => 1 ) ) ) [1] => Array ( [id] => 2 [name] => 父2 [father] => [son] => Array ( [0] => Array ( [id] => 7 [name] => 儿2-1 [father] => 2 [son] => Array ( [0] => Array ( [id] => 12 [name] => 儿2-1-1 [father] => 7 ) ) ) [1] => Array ( [id] => 8 [name] => 儿2-1 [father] => 2 ) ) ) [2] => Array ( [id] => 3 [name] => 父3 [father] => [son] => Array ( [0] => Array ( [id] => 9 [name] => 儿3-1 [father] => 3 [son] => Array ( [0] => Array ( [id] => 10 [name] => 儿3-1-1 [father] => 9 ) ) ) ) ) )

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

preferences:dark modelive preview

18.22 ms | 409 KiB | 8 Q