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@ 2020-03-27T01:41:50Z

<?php

$arr = array(
    [
        "name"   => "cat1",
        "id"     => "1",
        "parent" => "",
    ],
    [
        "name"   => "cat2",
        "id"     => "2",
        "parent" => "",
    ],
    [
        "name"   => "subcat1",
        "id"     => "6",
        "parent" => "1",
    ],
    [
        "name"   => "subsubcat1",
        "id"     => "7",
        "parent" => "6",
    ],
    [
        "name"   => "subcat2",
        "id"     => "5",
        "parent" => "2",
    ],
);

function list_item($arr, $item) {
    echo "<li>{$item['name']}</li>\n";
    // find any children
    $children = array_filter($arr, function ($i) use ($item) { return $i['parent'] == $item['id']; });
    if (!empty($children)) {
        echo "<ul>\n";
        foreach ($children as $child) {
            list_item($arr, $child);
        }
        echo "</ul>\n";
    }
}

$parents = array_filter($arr, function ($item) { return !$item['parent'];});
echo "<ul>\n";
foreach ($parents as $parent) {
    list_item($arr, $parent);
}
echo "</ul>\n";

Output for git.master, git.master_jit, rfc.property-hooks: <ul> <li>cat1</li> <ul> <li>subcat1</li> <ul> <li>subsubcat1</li> </ul> </ul> <li>cat2</li> <ul> <li>subcat2</li> </ul> </ul>

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Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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