4 files changed, 31 insertions, 13 deletions
diff --git a/phpBB/phpbb/template/twig/lexer.php b/phpBB/phpbb/template/twig/lexer.php
index 1fa4c5b3e6..4f88147542 100644
--- a/phpBB/phpbb/template/twig/lexer.php
+++ b/phpBB/phpbb/template/twig/lexer.php
@@ -223,19 +223,20 @@ class phpbb_template_twig_lexer extends Twig_Lexer
 	{
 		$callback = function($matches)
 		{
+			$inner = $matches[2];
 			// Replace $TEST with definition.TEST
-			$matches[1] = preg_replace('#\s\$([a-zA-Z_0-9]+)#', ' definition.$1', $matches[1]);
+			$inner = preg_replace('#\s\$([a-zA-Z_0-9]+)#', ' definition.$1', $inner);
 
 			// Replace .test with test|length
-			$matches[1] = preg_replace('#\s\.([a-zA-Z_0-9\.]+)#', ' $1|length', $matches[1]);
+			$inner = preg_replace('#\s\.([a-zA-Z_0-9\.]+)#', ' $1|length', $inner);
 
-			return '<!-- IF' . $matches[1] . '-->';
+			return "<!-- {$matches[1]}IF{$inner}-->";
 		};
 
 		// Replace our "div by" with Twig's divisibleby (Twig does not like test names with spaces)
 		$code = preg_replace('# div by ([0-9]+)#', ' divisibleby($1)', $code);
 
-		return preg_replace_callback('#<!-- IF((.*)[\s][\$|\.|!]([^\s]+)(.*))-->#', $callback, $code);
+		return preg_replace_callback('#<!-- (ELSE)?IF((.*)[\s][\$|\.|!]([^\s]+)(.*))-->#', $callback, $code);
 	}
 
 	/**
diff --git a/phpBB/phpbb/template/twig/node/includeasset.php b/phpBB/phpbb/template/twig/node/includeasset.php
index 990b1c984f..1cab416c79 100644
--- a/phpBB/phpbb/template/twig/node/includeasset.php
+++ b/phpBB/phpbb/template/twig/node/includeasset.php
@@ -7,7 +7,7 @@
 *
 */
 
-class phpbb_template_twig_node_includeasset extends Twig_Node
+abstract class phpbb_template_twig_node_includeasset extends Twig_Node
 {
 	/** @var Twig_Environment */
 	protected $environment;
@@ -57,4 +57,19 @@ class phpbb_template_twig_node_includeasset extends Twig_Node
 			->raw("\n');\n")
 		;
 	}
+
+	/**
+	* Get the definition name
+	*
+	* @return string (e.g. 'SCRIPTS')
+	*/
+	abstract public function get_definition_name();
+
+	/**
+	* Append the output code for the asset
+	*
+	* @param Twig_Compiler A Twig_Compiler instance
+	* @return null
+	*/
+	abstract protected function append_asset(Twig_Compiler $compiler);
 }
diff --git a/phpBB/phpbb/template/twig/node/includecss.php b/phpBB/phpbb/template/twig/node/includecss.php
index 01fda44aad..a9d9b46d69 100644
--- a/phpBB/phpbb/template/twig/node/includecss.php
+++ b/phpBB/phpbb/template/twig/node/includecss.php
@@ -9,16 +9,17 @@
 
 class phpbb_template_twig_node_includecss extends phpbb_template_twig_node_includeasset
 {
+	/**
+	* {@inheritdoc}
+	*/
 	public function get_definition_name()
 	{
 		return 'STYLESHEETS';
 	}
 
 	/**
-	 * Compiles the node to PHP.
-	 *
-	 * @param Twig_Compiler A Twig_Compiler instance
-	 */
+	* {@inheritdoc}
+	*/
 	public function append_asset(Twig_Compiler $compiler)
 	{
 		$compiler
diff --git a/phpBB/phpbb/template/twig/node/includejs.php b/phpBB/phpbb/template/twig/node/includejs.php
index fdf2bea3ed..2b4b55fb0a 100644
--- a/phpBB/phpbb/template/twig/node/includejs.php
+++ b/phpBB/phpbb/template/twig/node/includejs.php
@@ -9,16 +9,17 @@
 
 class phpbb_template_twig_node_includejs extends phpbb_template_twig_node_includeasset
 {
+	/**
+	* {@inheritdoc}
+	*/
 	public function get_definition_name()
 	{
 		return 'SCRIPTS';
 	}
 
 	/**
-	 * Compiles the node to PHP.
-	 *
-	 * @param Twig_Compiler A Twig_Compiler instance
-	 */
+	* {@inheritdoc}
+	*/
 	protected function append_asset(Twig_Compiler $compiler)
 	{
 		$config = $this->environment->get_phpbb_config();