$row = mysql_fetch_row ($client_id_res) or return;

From: skarthi (ads_at_asd.com)
Date: 10/28/04 

Date: Wed, 27 Oct 2004 18:45:45 -0400

why does this not work ?
$row = mysql_fetch_row ($client_id_res) or return 1;

$row = mysql_fetch_row ($client_id_res) or return 0;

gives an error like this!

Parse error: syntax error, unexpected T_RETURN in C:\temp\tool.php on line
267

can some one explain / point me to the right documentation

karthik