Online PHP editor | rfc for K2BBh

@ 2019-09-17T10:59:05Z

<?php

$pages = array();
$pages[1] = array('id' => 1, 'parent' => 0, 'name' => 'Hello World');
$pages[2] = array('id' => 1, 'parent' => 1, 'name' => 'Child of Hello World');
$pages[3] = array('id' => 1, 'parent' => 0, 'name' => 'Brother of Hello World');
$pages[4] = array('id' => 4, 'parent' => 2, 'name' => 'Grand-child of Hello World');
$pages[6] = array('id' => 6, 'parent' => 4, 'name' => 'Great-grand-child of Hello World');

$children = array();
foreach($pages as $key => $page){
    $parent = (int)$page['parent'];
    if(!isset($children[$parent])){
        
        $children[$parent] = array();
    $children[$parent][$key] = array('id' => $page['id'], 'name' => $page['name']);
    }
}

$new_pages = recursive_append_children($children[0], $children);

function recursive_append_children($arr, $children){
    foreach($arr as $key => $page)
        if(isset($children[$key]))
            $arr[$key]['children'] = recursive_append_children($children[$key], $children);
    return $arr;
}

print_r($new_pages);

Output for git.master, git.master_jit, rfc.property-hooks: Array ( [1] => Array ( [id] => 1 [name] => Hello World [children] => Array ( [2] => Array ( [id] => 1 [name] => Child of Hello World [children] => Array ( [4] => Array ( [id] => 4 [name] => Grand-child of Hello World [children] => Array ( [6] => Array ( [id] => 6 [name] => Great-grand-child of Hello World ) ) ) ) ) ) ) )

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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