在string_replace中将HTML作为变量处理

我有一个html <h1 class="title">[VALUE]</h1>，其中[VALUE]在处理模板时被一些数据取代。

我想在php变量中使用取代[VALUE]的数据。

像这样，$my_var = '[VALUE]';

function getHTML($articleid, $fieldid, $category = false, $write=false)
    { 
        global $globalreturn;
      //$str = fieldattach::getInput($articleid, $fieldid, $category); 
      $html ='';
      $valor = fieldattach::getValue( $articleid,  $fieldid , $category   );
      $title = fieldattach::getName( $articleid,  $fieldid , $category  );
      $published = plgfieldsattachment_input::getPublished( $fieldid  );

      if(!empty($valor) && $published)
      {

          $html = plgfieldsattachment_input::getTemplate($fieldid);
          if(fieldattach::getShowTitle(   $fieldid  )) $html = str_replace("[TITLE]", $title, $html); 
          else 
          $html = str_replace("[TITLE]", "", $html); 
          $html = str_replace("[VALUE]", $valor, $html);
          $html = str_replace("[FIELD_ID]", $fieldid, $html);
      }

       //WRITE THE RESULT
       if($write)
       {
            echo $html;
       }else{
            $globalreturn = $html;
            return $html; 
       }
    }
    function getTemplate($fieldsids, $file="input", $valor)
    {
        global $globalreturn;
        echo $valor;

          $templateDir =  dirname(__FILE__).'/tmpl/'.$file.'.tpl.php'; 
          $html = file_get_contents ($templateDir);

          $app = JFactory::getApplication();
          $templateDir =  JPATH_BASE . '/templates/' . $app->getTemplate().'/html/com_fieldsattach/fields/'.$file.'.tpl.php';
          if(file_exists($templateDir))
          {
              $html = file_get_contents ($templateDir);
          }
          $app = JFactory::getApplication();
          $templateDir =  JPATH_BASE . '/templates/' . $app->getTemplate().'/html/com_fieldsattach/fields/'.$fieldsids.'_'.$file.'.tpl.php';
          if(file_exists($templateDir))
          { 
              include ($templateDir);
          }
          //return $html;
    }

我试图使用$valor形式函数getHTML();在getTemplate()中;正如你将在上面的代码中看到的，我已经尝试调用global $globalreturn，然后调用echo $valor;