- removed all internal calls of Smarty::instance()

- fixed code in double quoted strings

libs/sysplugins/method.template_exists.php

@@ -11,29 +11,25 @@
 */
 
 /**
-* Smarty class Template_Exists
-* 
 * Checks if a template resource exists
 */
 
-class Smarty_Method_Template_Exists extends Smarty_Internal_Base {
-    /**
-    * Check if a template resource exists
-    * 
-    * @param string $resource_name template name
-    * @return boolean status
-    */ 
-    public function execute($resource_name)
-    {
-        foreach((array)$this->smarty->template_dir as $_template_dir) {
-            $_filepath = $_template_dir . $resource_name;
-            if (file_exists($_filepath))
-                return true;
-        } 
-        if (file_exists($resource_name)) return true; 
-        // no tpl file found
-        return false;
+/**
+* Check if a template resource exists
+* 
+* @param string $resource_name template name
+* @return boolean status
+*/
+function template_exists($smarty, $resource_name)
+{
+    foreach((array)$smarty->template_dir as $_template_dir) {
+        $_filepath = $_template_dir . $resource_name;
+        if (file_exists($_filepath))
+            return true;
     } 
+    if (file_exists($resource_name)) return true; 
+    // no tpl file found
+    return false;
 } 
 
 ?>