Converted closure to method

src/SurfStack/Templating/Template_Engine.php

@@ -857,6 +857,21 @@ protected function modifyTemplateRegex($content)
         return $this->parsePlugins($content);
     }
 
+    /**
+     * Called by isTemplateValid() to record error
+     * @param int $errno
+     * @param string $errstr
+     * @param string $errfile
+     * @param int $errline
+     * @return boolean
+     */
+    protected function errorHandler($errno, $errstr, $errfile, $errline)
+    {
+        $this->error = false;
+
+        return true;
+    }
+
     /**
      * Determines if the template has any non-fatal problems
      * @return boolean
@@ -865,10 +880,7 @@ function isTemplateValid()
     {        
         $this->error = true;
 
-        set_error_handler(function ($errno, $errstr, $errfile, $errline) {
-            $this->error = false;            
-            return true;
-        });
+        set_error_handler(array($this, 'errorHandler'));
 
         // If the compile is not current
         if (!$this->isCompileCurrent())