code: public function findBy($strColumn, $varValue)
  	{
  		$objResult = $this->Database->prepare("SELECT * FROM " . $this->strTable . " WHERE " . Database::quoteIdentifier($strColumn) . "=?")
  									->limit(1)
  									->execute($varValue);
  
  		if ($objResult->numRows > 0)
  		{
  			$this->arrData = $objResult->row();
  
  			return true;
  		}
  
  		return false;
  	}
docs: Find a user in the database
  
  @param string $strColumn The field name
  @param mixed  $varValue  The field value
  
  @return boolean True if the user was found