Online PHP editor | rfc for EeU1P

@ 2019-09-03T10:16:25Z

<?php

$two_dimention = [
    ["id" => 4, "name" => "Home", "parent" => 0, "depth" => 0],
    ["id" => 5, "name" => "Menu 1", "parent" => 0, "depth" => 0],
    ["id" => 6, "name" => "Menu 2", "parent" => 0, "depth" => 0],
    ["id" => 8, "name" => "Menu 2.1", "parent" => 6, "depth" => 1],
    ["id" => 10, "name" => "Menu 2.1.1", "parent" => 8, "depth" => 2],
    ["id" => 11, "name" => "Menu 2.1.2", "parent" => 8, "depth" => 2],
    ["id" => 9, "name" => "Menu 2.2", "parent" => 6, "depth" => 1],
    ["id" => 7, "name" => "Menu 3", "parent" => 0, "depth" => 0],
    ["id" => 18, "name" => "Menu 3.1", "parent" => 7, "depth" => 1],
];
function makeRecursive($d, $r = 0, $pk = 'parent', $k = 'id', $c = 'children')
{
    $m = [];
    foreach ($d as $e) {
        isset($m[$e[$pk]]) ?: $m[$e[$pk]] = [];
        isset($m[$e[$k]]) ?: $m[$e[$k]]   = [];
        $m[$e[$pk]][]                     = array_merge($e, [$c => &$m[$e[$k]]]);
    }
    return $m[$r]; // remove [0] if there could be more than one root nodes
}
function nested2ul($data)
{
    $result = [];
    if (sizeof($data) > 0) {
        $result[] = '<ul>';
        foreach ($data as $entry) {
            $result[] = sprintf(
                '<li>%s %s</li>',
                $entry['name'],
                nested2ul($entry['children'])
            );
        }
        $result[] = '</ul>';
    }
    return implode($result);
}
$temp= makeRecursive($two_dimention);
echo nested2ul($temp);

Output for git.master, git.master_jit, rfc.property-hooks: <ul><li>Home </li><li>Menu 1 </li><li>Menu 2 <ul><li>Menu 2.1 <ul><li>Menu 2.1.1 </li><li>Menu 2.1.2 </li></ul></li><li>Menu 2.2 </li></ul></li><li>Menu 3 <ul><li>Menu 3.1 </li></ul></li></ul>

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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