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@ 2018-10-06T04:07:12Z

<?php

//retrieved from database
$kategorier = [
    ['Kategori' => 'Burger'],
    ['Kategori' => 'Pizza'],
    ['Kategori' => 'Pizza2'],
    ['Kategori' => 'Pizza3'],
    ['Kategori' => 'Chinaboks'],
    ['Kategori' => 'Artiskok'],
    ['Kategori' => 'Durum'],
    ['Kategori' => 'Asiatisk'],
    ['Kategori' => 'Asiatisk2'],
    ['Kategori' => 'Asiatisk20'],
    ['Kategori' => 'Asiatisk3'],
];
    
$letters = [];
if ($kategorier) {
   $kategorier = array_column($kategorier, 'Kategori');
    //sort the resulting array as a human would
    natsort($kategorier);
    foreach ($kategorier as $kategori) {
        $k = strtoupper($kategori[0]);
        if (!isset($letters[$k])) {
             $letters[$k] = [];
        }
        $letters[$k][] = $kategori;
    }
}

?>
<ul class="category-index">
<?php foreach ($letters as $k => $kategorier) { ?>
    <li>
        <h2><?php echo $k; ?></h2>
        <ul class="category">
        <?php foreach ($kategorier as $kategori) { ?>
            <li><?php echo $kategori; ?></li>
        <?php } ?>
        </ul>
    </li>
<?php } ?>
</ul>

Output for git.master, git.master_jit, rfc.property-hooks: <ul class="category-index"> <li> <h2>A</h2> <ul class="category"> <li>Artiskok</li> <li>Asiatisk</li> <li>Asiatisk2</li> <li>Asiatisk3</li> <li>Asiatisk20</li> </ul> </li> <li> <h2>B</h2> <ul class="category"> <li>Burger</li> </ul> </li> <li> <h2>C</h2> <ul class="category"> <li>Chinaboks</li> </ul> </li> <li> <h2>D</h2> <ul class="category"> <li>Durum</li> </ul> </li> <li> <h2>P</h2> <ul class="category"> <li>Pizza</li> <li>Pizza2</li> <li>Pizza3</li> </ul> </li> </ul>

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2022-12-01 RFC: Property hooks - included in PHP 8.4
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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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