Kirby snippet sections

sections.php

<?php

/* 
 * Snippet Templates
 * 
 * A plugin to inject sections into snippets
 *
 * Sample Usage: 
 * 
 * In your snippet: 
 *
 * <?php section::get('submenu') ?> 
 *
 * In your template: 
 *  
 * <?php section::start('submenu') ?>
 * <a href="<?php echo $related->url() ?>"><?php echo html($related->title()) ?></a>
 * <?php section::end() ?>
 * 
 * Author: Nils Werner
 *
 */

class section {
  
  private static $tmpkey = "";

  static function get($key) {
    echo tpl::get($key);
  }

  static function set($key, $value) {
    tpl::set($key, $value);
  }

  static function start($key) {
    self::$tmpkey = $key;
    content::start();
  }

  static function end() {
    tpl::set(self::$tmpkey, content::end(true));
    self::$tmpkey = "";
  }

}