mysql question

[nihilism machine <nihilismmachine@xxxxxxxxx>]

i have this functuon:
	
public function select_one($sql) {
		$this->last_query = $sql;
		$r = mysql_query($sql);
		if (!$r) {
			$this->last_error = mysql_error();
			return false;
		}
		if (mysql_num_rows($r) != 1) {
			return false;  	
		}
		$ret = mysql_result($r, 0);
		mysql_free_result($r);
		if ($this->auto_slashes) return stripslashes($ret);
		else return $ret;
	}


what is $ret, an array? if so how can i access the individual rows in  
it?

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