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@ 2018-07-24T11:58:53Z

<?php
$items = [
    (object)['level' => '1', 'title' => 'Home'],
    (object)['level' => '1', 'title' => 'DIFC'],
    (object)['level' => '1', 'title' => 'ADGM'],
    (object)['level' => '1', 'title' => 'About'],
    (object)['level' => '1', 'title' => 'Publications'],
    (object)['level' => '2', 'title' => 'FinTech: Now Everybody Wants A Slice of the Pie'],
    (object)['level' => '2', 'title' => 'The Role of Financial Centres in Emerging Economies'],
    (object)['level' => '2', 'title' => 'Bitcoin versus Ethereum '],
    (object)['level' => '1', 'title' => 'ADGM'],
    (object)['level' => '1', 'title' => 'DIFC'],
    (object)['level' => '1', 'title' => 'Finance'],
    (object)['level' => '1', 'title' => 'Contact']
];

echo '<ul itemscope itemtype="http://www.schema.org/SiteNavigationElement">' . "\n";
    foreach ($items as $i => $menu_item) {
        if($menu_item->level == '1') {
            if ($i) {                           // so long as not the first row of results
                if ($sub_menu) {                // only display a batch of submenus if batch is not empty
                    echo "\n\t\t<ul>\n\t\t\t<li>" . implode("</li>\n\t\t\t<li>", $sub_menu) . "</li>\n\t\t</ul>";
                }
                echo "\n\t" . '</li>' . "\n";
            }
            $sub_menu = array();                // start over with a new batch
            echo "\t" . '<li itemprop="name">' . "\n";
                echo "\t\t" . '<a itemprop="url" href="http://www.10leaves.ae/">' . $menu_item->title . '</a>';
        } elseif ($menu_item->level == '2') {
            $sub_menu[] = $menu_item->title;
        }
    }
    if ($items) {
        echo "\n\t</li>";
    }
echo "\n</ul>";

Output for git.master_jit, git.master, rfc.property-hooks: <ul itemscope itemtype="http://www.schema.org/SiteNavigationElement"> <li itemprop="name"> <a itemprop="url" href="http://www.10leaves.ae/">Home</a> </li> <li itemprop="name"> <a itemprop="url" href="http://www.10leaves.ae/">DIFC</a> </li> <li itemprop="name"> <a itemprop="url" href="http://www.10leaves.ae/">ADGM</a> </li> <li itemprop="name"> <a itemprop="url" href="http://www.10leaves.ae/">About</a> </li> <li itemprop="name"> <a itemprop="url" href="http://www.10leaves.ae/">Publications</a> <ul> <li>FinTech: Now Everybody Wants A Slice of the Pie</li> <li>The Role of Financial Centres in Emerging Economies</li> <li>Bitcoin versus Ethereum </li> </ul> </li> <li itemprop="name"> <a itemprop="url" href="http://www.10leaves.ae/">ADGM</a> </li> <li itemprop="name"> <a itemprop="url" href="http://www.10leaves.ae/">DIFC</a> </li> <li itemprop="name"> <a itemprop="url" href="http://www.10leaves.ae/">Finance</a> </li> <li itemprop="name"> <a itemprop="url" href="http://www.10leaves.ae/">Contact</a> </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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