dbxContent_permalink.class.php

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<?php
namespace dbx\dbxContent;
 
class dbxContent_permalink {
 
   public static function segment($text, $fallback = 'seite') {
      $text = trim((string)$text);
      $text = str_replace(array('\\', '/'), '-', $text);
      $text = strtolower($text);
      $text = str_replace(array('ä', 'ö', 'ü', 'ß'), array('ae', 'oe', 'ue', 'ss'), $text);
      $text = preg_replace('/\s+/', '-', $text);
      $text = preg_replace('/[^a-z0-9._\-|]+/', '-', $text);
      $text = preg_replace('/-+/', '-', $text);
      $text = trim($text, '-');
 
      return $text !== '' ? $text : $fallback;
   }
 
   public static function slug($text) {
      return self::segment($text, 'seite-' . date('YmdHis'));
   }
 
   public static function normalize($permalink) {
      $permalink = trim((string)$permalink);
      $permalink = str_replace('\\', '/', $permalink);
      $permalink = preg_replace('/\s+/', '-', $permalink);
      $permalink = preg_replace('#/+#', '/', $permalink);
      return trim($permalink, '/');
   }
 
   public static function build($db, $folder_dd, $folder_id, $title) {
      $segments = self::folder_segments($db, $folder_dd, (int)$folder_id);
      $segments[] = self::slug($title);
      $permalink = implode('/', array_filter($segments, static function($segment) {
         return trim((string)$segment) !== '';
      }));
 
      return substr($permalink, 0, 254);
   }
 
   private static function folder_segments($db, $folder_dd, $folder_id) {
      $folder_id = (int)$folder_id;
      if ($folder_id <= 0) {
         return array();
      }
 
      $row = $db->select1($folder_dd, $folder_id);
      if (!is_array($row)) {
         return array();
      }
 
      return array(self::segment($row['name'] ?? '', 'folder-' . $folder_id));
   }
}
 
?>