inner);

			// Replace .foo with loops.foo|length
			$inner = preg_replace('#(\s\(*!?)\.([a-zA-Z_0-9]+)([^a-zA-Z_0-9\.])#', '$1loops.$2|length$3', $inner);

			// Replace .foo.bar with foo.bar|length
			$inner = preg_replace('#(\s\(*!?)\.([a-zA-Z_0-9\.]+)([^a-zA-Z_0-9\.])#', '$1$2|length$3', $inner);

			return "<!-- {$matches[1]}IF{$inner}-->";
		};

		return preg_replace_callback('#<!-- (ELSE)?IF((.*?) (?:\(*!?[\$|\.]([^\s]+)(.*?))?)-->#', $callback, $code);
	}

	/**
	* Fix DEFINE statements and {$VARNAME} variables
	*
	* @param string $code
	* @return string
	*/
	protected function fix_define_tokens($code)
	{
		/**
		* Changing $VARNAME to definition.varname because set is only local
		* context (e.g. DEFINE $TEST will only make $TEST available in current
		* template and any child templates, but not any parent templates).
		*
		* DEFINE handles setting it properly to definition in its node, but the
		* variables reading FROM it need to be altered to definition.VARNAME
		*
		* Setting up definition as a class in the array passed to Twig
		* ($context) makes set definition.TEST available in the global context
		*/

		// Replace <!-- DEFINE $NAME with {% DEFINE definition.NAME
		$code = preg_replace('#<!-- DEFINE \$(.*?) -->#', '{% DEFINE $1 %}', $code);

		// Changing UNDEFINE NAME to DEFINE NAME = null to save from creating an extra token parser/node
		$code = preg_replace('#<!-- UNDEFINE \$(.*?)-->#', '{% DEFINE $1= null %}', $code);

		// Replace all of our variables, {$VARNAME}, with Twig style, {{ definition.VARNAME }}
		$code = preg_replace('#{\$([a-zA-Z0-9_\.]+)}#', '{{ definition.$1 }}', $code);

		// Replace all of our variables, ~ $VARNAME ~, with Twig style, ~ definition.VARNAME ~
		$code = preg_replace('#~ \$([a-zA-Z0-9_\.]+) ~#', '~ definition.$1 ~', $code);

		return $code;
	}

	/**
	* Replace Twig tag masks with Twig tag calls
	*
	* E.g. <!-- BLOCK foo --> with {% block foo %}
	*
	* @param string $code
	* @param array $twig_tags All tags we want to create a mask for
	* @return string
	*/
	protected function replace_twig_tag_masks($code, $twig_tags)
	{
		$callback = function ($matches)
		{
			$matches[1] = strtolower($matches[1]);

			return "{% {$matches[1]}{$matches[2]}%}";
		};

		foreach ($twig_tags as &$tag)
		{
			$tag = strtoupper($tag);
		}

		// twig_tags is an array of the twig tags, which are all lowercase, but we use all uppercase tags
		$code = preg_replace_callback('#<!-- (' . implode('|', $twig_tags) . ')(.*?)-->#',$callback, $code);

		return $code;
	}
}
<br />
<b>Fatal error</b>:  Uncaught Error: Class 'phpbb\template\twig\lexer' not found in /home/acumstiu/gpszone.ro/cache/production/container_4335734bbdd20f586549a504dff5f80c.php:6991
Stack trace:
#0 /home/acumstiu/gpszone.ro/phpbb/di/container_builder.php(156): require()
#1 /home/acumstiu/gpszone.ro/common.php(115): phpbb\di\container_builder-&gt;get_container()
#2 /home/acumstiu/gpszone.ro/index.php(23): include('/home/acumstiu/...')
#3 {main}
  thrown in <b>/home/acumstiu/gpszone.ro/cache/production/container_4335734bbdd20f586549a504dff5f80c.php</b> on line <b>6991</b><br />