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@ 2019-02-27T20:42:09Z

<?php
$lists = array(array(
    array(
        'id' => 1,
        'parent' => 0,
        'name' => 'Menu 1',
    ),
    array(
        'id' => 2,
        'parent' => 1,
        'name' => 'Menu 2',
    ),
    array(
        'id' => 3,
        'parent' => 2,
        'name' => 'Menu 3',
    ),
    array(
        'id' => 4,
        'parent' => 1,
        'name' => 'Menu 4',
    ),
    array(
        'id' => 5,
        'parent' => 0,
        'name' => 'Menu 5',
    )
));
function make_list($lists, $parent = 0) {
    $children = array_filter($lists[0], function ($v) use($parent) { return $v['parent'] == $parent; });
    if (!count($children)) return;
    echo "<ul>\n";
    foreach ($children as $child) {
        echo "<li>{$child['name']}</li>\n";
        make_list($lists, $child['id']);
    }
    echo "</ul>\n";
}

make_list($lists);

Output for git.master, git.master_jit, rfc.property-hooks: <ul> <li>Menu 1</li> <ul> <li>Menu 2</li> <ul> <li>Menu 3</li> </ul> <li>Menu 4</li> </ul> <li>Menu 5</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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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