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@ 2015-04-27T13:46:04Z

<?php

$menu = array(
    array(1,3,'Wurm 1.1',    2, 10),
    array(2,6,'Vogel 2.1',   2, 30),
    array(3,0,'Tiger 1',     1, 10),
    array(4,6,'Hund 2.2',    2, 40),
    array(5,3,'Katze 1.2',   2, 11),
    array(6,0,'Pferd 2',     1, 20),
    array(7,1,'Baer 1.1.1',  3, 0),
    array(8,3,'Schwein 1.3', 2, 12),
    array(9,4,'Esel 2.2.1',  3, 0),
);

// Algorithmus hier

$result = array();



$target = array(
    array(9,4,'Esel 2.2.1',  3, 0),
);

var_dump($result == $target);

$navitems = array(
    array(
        1,              // Menuid
        3,              // parentid
        'Wurm 1.1',     // title
        2,              // level
        10              // sortid
    ),
    array(
        2,              // Menuid
        6,              // parentid
        'Vogel 2.1',    // title
        2,              // level
        30              // sortid
    ),
    array(
        3,              // Menuid
        0,              // parentid
        'Tiger 1',      // title
        1,              // level
        10              // sortid
    ),
    array(
        4,              // Menuid
        6,              // parentid
        'Hund 2.2',     // title
        2,              // level
        40              // sortid
    ),
    array(
        5,              // Menuid
        3,              // parentid
        'Katze 1.2',    // title
        2,              // level
        11              // sortid
    ),
    array(
        6,              // Menuid
        0,              // parentid
        'Pferd 2',      // title
        1,              // level
        20              // sortid
    ),
    array(
        7,              // Menuid
        1,              // parentid
        'Baer 1.1.1',   // title
        3,              // level
        0               // sortid
    ),
    array(
        8,              // Menuid
        3,              // parentid
        'Schwein 1.3',  // title
        2,              // level
        12              // sortid
    ),
    array(
        9,              // Menuid
        4,              // parentid
        'Esel 2.2.1',   // title
        3,              // level
        0               // sortid
    )
);

function array_orderby()
{
    $args = func_get_args();
    $data = array_shift($args);
    
    foreach ($args as $n => $field) {
        if (is_string($field)) {
            $tmp = array();
            foreach ($data as $key => $row)
                $tmp[$key] = $row[$field];
            $args[$n] = $tmp;
            }
    }
    
    $args[] = &$data;
    
    call_user_func_array('array_multisort', $args);
    return array_pop($args);
}

array_orderby($navitems, 4);

function listItems($items, $level=0, $child=false, $pid=0) {
    $rest = '';
    
    foreach($items as $item) {
        if ($item[3] != $level) {
            continue;
        }
        
        if ($child == false) {
            $rest .= '<li>'. $item[2] .'<ul>'. listItems($items, $level+1, true, $item[0]) .'</ul></li>';
        } else {
            if ($pid == $item[1]) {
                $rest .= '<li>'. $item[2] .'<ul>'. listItems($items, $level+1, true, $item[0]) .'</ul></li>';
            }
        }
    }
    
    return '<ul>' . $rest . '</ul>';
}

echo listItems($navitems);

Output for git.master, git.master_jit, rfc.property-hooks: bool(false) Fatal error: Uncaught TypeError: array_multisort(): Argument #1 ($array) must be an array or a sort flag that has not already been specified in /in/WUM0l:109 Stack trace: #0 /in/WUM0l(109): array_multisort(4, Array) #1 /in/WUM0l(113): array_orderby(Array, 4) #2 {main} thrown in /in/WUM0l on line 109
Process exited with code 255.

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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
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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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