code: public function fetchEach($strKey)
  	{
  		$this->reset();
  		$return = array();
  
  		while ($this->next())
  		{
  			$strPk = $this->current()->getPk();
  
  			if ($strKey != 'id' && isset($this->$strPk))
  			{
  				$return[$this->$strPk] = $this->$strKey;
  			}
  			else
  			{
  				$return[] = $this->$strKey;
  			}
  		}
  
  		return $return;
  	}
docs: Fetch a column of each row
  
  @param string $strKey The property name
  
  @return array An array with all property values