original_string: public function setDefaultSource($defaultSource = self::DEFAULT_NONE)
      {
          if (!in_array($defaultSource, array(self::DEFAULT_CLASS, self::DEFAULT_DB, self::DEFAULT_NONE))) {
              $defaultSource = self::DEFAULT_NONE;
          }
  
          $this->_defaultSource = $defaultSource;
          return $this;
      }
code: public function setDefaultSource($defaultSource = self::DEFAULT_NONE)
      {
          if (!in_array($defaultSource, array(self::DEFAULT_CLASS, self::DEFAULT_DB, self::DEFAULT_NONE))) {
              $defaultSource = self::DEFAULT_NONE;
          }
  
          $this->_defaultSource = $defaultSource;
          return $this;
      }
code_tokens: public function setDefaultSource ( $ defaultSource = self :: DEFAULT_NONE ) { if ( ! in_array ( $ defaultSource , array ( self :: DEFAULT_CLASS , self :: DEFAULT_DB , self :: DEFAULT_NONE ) ) ) { $ defaultSource = self :: DEFAULT_NONE ; } $ this -> _defaultSource = $ defaultSource ; return $ this ; }
docstring: set the defaultSource property - this tells the table class where to find default values
  
  @param string $defaultSource
  @return Zend_Db_Table_Abstract
docstring_tokens: set the defaultSource property - this tells the table class where to find default values