original_string: public function addFieldset($header = null, $noteHeader = null, $noteBody = null, $meta = array())
      {
          $objFieldSet = new Fieldset($header, $noteHeader, $noteBody, $meta);
          $this->__elements->addObject($objFieldSet);
  
          return $objFieldSet;
      }
code: public function addFieldset($header = null, $noteHeader = null, $noteBody = null, $meta = array())
      {
          $objFieldSet = new Fieldset($header, $noteHeader, $noteBody, $meta);
          $this->__elements->addObject($objFieldSet);
  
          return $objFieldSet;
      }
code_tokens: public function addFieldset ( $ header = null , $ noteHeader = null , $ noteBody = null , $ meta = array ( ) ) { $ objFieldSet = new Fieldset ( $ header , $ noteHeader , $ noteBody , $ meta ) ; $ this -> __elements -> addObject ( $ objFieldSet ) ; return $ objFieldSet ; }
docstring: Add a fieldset to the form field collection
  
  Example:
  ```php
  $objForm->addFieldset("Header for fieldset", "Note", "Cool fields contained by fieldset.");
  ```
  @param string $header The header for this fieldset
  @param string $noteHeader An optional header for the 'note' block on the side of this fieldset
  @param string $noteBody The optional body for the 'note block on the side of this fieldset
  @param array $meta The meta array
  
  @return \ValidFormBuilder\Fieldset
docstring_tokens: Add a fieldset to the form field collection