Php exception: YouhaveanerrorinyourSQLsyntax; urgent

Php error: YouhaveanerrorinyourSQLsyntax; urgent !!!!! $ SQL = & quot; selectid, title, type_id, timefromnewslimit $ offset, $ Page_si php error: You have an error in your SQL syntax; urgent !!!!!

$ SQL = "select id, title, type_id, time from news limit $ offset, $ Page_size where type_id =". $ type_id;
Echo $ SQL;
$ Result = mysql_query ($ SQL) or die ($ SQL ."

". Mysql_error ());;
While ($ row = mysql_fetch_array ($ result ))
{
?>











"> Modify and delete





Go directly to the code !!!!! Error message: 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 ''0, 6 'Where type_id = 21' at line 1


What is going on ?????????????????? Urgent !!!!!!!!!!!!!!!!!!

------ Solution --------------------
Select id, title, type_id, time from news limit $ offset, $ Page_size where type_id = ". $ type_id;

Modify

Select id, title, type_id, time from news where type_id = ". $ type_id." order by id desc limit {$ offset}, {$ Page_size }";

Look.