PHP Fatal error:  <u>SQL ERROR</u> [ mysqli ]<br /><br />You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1<br /><br /><u>CALLING PAGE</u><br /><br />/products_filter.php&fid=16<br /><br /><u>SQL</u><br /><br />SELECT * FROM photo WHERE category = <br /> in C:\TSLG-tw\lib\mysqli.php on line 410