Miscellany

function safe_query($query="") {
    if(stristr($query, "union")===FALSE){
	if(empty($query)) return false;
	if(DEBUG == "OFF") $result = mysql_query($query) or die('Query failed!');
	else {
		$result = mysql_query($query) or die('Query failed: '
												.'<li>errorno='.mysql_errno()
												.'<li>error='.mysql_error()
												.'<li>query='.$query);
	}
	return $result;
    }
    else {
    die();
    }
}