Kirbytext combined heading tags

headings.php

<?php

//Define the tag into a variable, so we can use it in multiple tags at the bottom of this file
$tagName = array(
  'attr' => array(
    'align',
    'link',
    'target',
    'class'
  ),
  'html' => function($tag) {

    if ($tag->attr('h1') != '') {
      $tagName = 'h1';
    } else if ($tag->attr('h2') != '') {
      $tagName = 'h2';
    } else if ($tag->attr('h3') != '') {
      $tagName = 'h3';
    } else if ($tag->attr('h4') != '') {
      $tagName = 'h4';
    } else if ($tag->attr('p') != '') {
      $tagName = 'p';
    }

    $text = widont($tag->attr($tagName));
    $safeText = str::slug(str::short(str::unhtml($tag->attr($tagName)), 35), '-');

    //Add text-left/center/right class from align attribute
    if ($tag->attr('align')) {
      $align = ' text-' . $tag->attr('align') . ' ';
    } else {
      $align = '';
    }
    $tagAttrs = attr(array(
      'id' => $safeText,
      'class' => $align . $tag->attr('class')
    ));

    if ($tag->attr('link') != '') {
      $linkAttrs = attr(array(
        'rel' => $tag->attr('rel'),
        'href' => $tag->attr('link'),
        'target' => $tag->attr('target'),
      ));
      $a = '<a '.$linkAttrs.'>'.$text.'</a>';
      return '<'.$tagName.' '.$tagAttrs.'>'.$a.'</'.$tagName.'>';
    } else {
      return '<'.$tagName.' '.$tagAttrs.'>'.$text.'</'.$tagName.'>';
    }

  }
);

kirbytext::$tags['h1'] = $tagName;
kirbytext::$tags['h2'] = $tagName;
kirbytext::$tags['h3'] = $tagName;
kirbytext::$tags['h4'] = $tagName;
kirbytext::$tags['p'] = $tagName;

?>