original_string: public function getField($fieldName)
      {
          if (!array_key_exists($fieldName, $this->_fields)) {
              include_once 'Zend/Search/Lucene/Exception.php';
              throw new Zend_Search_Lucene_Exception("Field name \"$fieldName\" not found in document.");
          }
          return $this->_fields[$fieldName];
      }
code: public function getField($fieldName)
      {
          if (!array_key_exists($fieldName, $this->_fields)) {
              include_once 'Zend/Search/Lucene/Exception.php';
              throw new Zend_Search_Lucene_Exception("Field name \"$fieldName\" not found in document.");
          }
          return $this->_fields[$fieldName];
      }
code_tokens: public function getField ( $ fieldName ) { if ( ! array_key_exists ( $ fieldName , $ this -> _fields ) ) { include_once 'Zend/Search/Lucene/Exception.php' ; throw new Zend_Search_Lucene_Exception ( "Field name \"$fieldName\" not found in document." ) ; } return $ this -> _fields [ $ fieldName ] ; }
docstring: Returns Zend_Search_Lucene_Field object for a named field in this document.
  
  @param  string $fieldName
  @return Zend_Search_Lucene_Field
docstring_tokens: Returns Zend_Search_Lucene_Field object for a named field in this document .