Online PHP editor | rfc for cWt9A

@ 2017-08-29T04:23:59Z

<?php
$tree = array();
$array = array(0=>array('tag'=>'one','level'=>1),1=>array('tag'=>'two','level'=>2),2=>array('tag'=>'three','level'=>3));
        foreach($array as $v){
        	$level = $v['level'];
        	if($level > 0){
        		$count[1] = count($tree);
        		if($level === 1){
        		    $tree[$count[1]]['tag'] = $v['tag'];
        		}
        		if($level > 1){
        			$count[2] = (isset($tree[$count[1]-1]['array']))?count($tree[$count[1]-1]['array']):0;
        			if($level == 2){
        				$tree[$count[1]-1]['array'][$count[2]]['tag'] = $v['tag'];
        			}
        			if($level > 2){
        				$count[3] = (isset($tree[$count[1]-1]['array'][$count[2]-1]['array']))?count($tree[$count[1]-1]['array'][$count[2]-1]['array']):0;
        				if($level == 3){
        					$tree[$count[1]-1]['array'][$count[2]-1]['array'][$count[3]]['tag'] = $v['tag'];
        				}
        				if($level > 3){
        					$count[4] = (isset($tree[$count[1]-1]['array'][$count[2]-1]['array'][$count[3]-1]['array']))?count($tree[$count[1]-1]['array'][$count[2]-1]['array'][$count[3]-1]['array']):0;
        					if($level == 4){
        						$tree[$count[1]-1]['array'][$count[2]-1]['array'][$count[3]-1]['array'][$count[4]]['tag'] = $v['tag'];
        					}
        				}
        			}
        		}
    	}
    }
    print_r($tree);

Output for git.master, git.master_jit, rfc.property-hooks: Array ( [0] => Array ( [tag] => one [array] => Array ( [0] => Array ( [tag] => two [array] => Array ( [0] => Array ( [tag] => three ) ) ) ) ) )

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2022-12-01 RFC: Property hooks - included in PHP 8.4
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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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

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