original_string: public function & GetField ($fieldName = '') {
  		$result = NULL;
  		if (isset($this->fields[$fieldName]))
  			$result = & $this->fields[$fieldName];
  		return $result;
  	}
code: public function & GetField ($fieldName = '') {
  		$result = NULL;
  		if (isset($this->fields[$fieldName]))
  			$result = & $this->fields[$fieldName];
  		return $result;
  	}
code_tokens: public function & GetField ( $ fieldName = '' ) { $ result = NULL ; if ( isset ( $ this -> fields [ $ fieldName ] ) ) $ result = & $ this -> fields [ $ fieldName ] ; return $ result ; }
docstring: Return form field instance by form field name if it exists, else return null;
  @param string $fieldName
  @return \MvcCore\Ext\Forms\Field|\MvcCore\Ext\Forms\IField|NULL
docstring_tokens: Return form field instance by form field name if it exists else return null ;