<?PHP

$link = mysql_connect('localhost', 'USER', 'PASS') or die('can\'t connenct');

mysql_select_db('test') or die('can\'t select db');

$query = 'create table foo( foo int not null) 
insert into foo (foo) values (1)';

mysql_query($query) or die(mysql_error());

echo 'good';

?>

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 'insert into foo (foo) values (1)' at line  2 

...
$query = '
create table foo( foo int not null)/ 
insert into foo (foo) values (1)
';
...

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 
'/ insert into foo (foo) values (1)' at line 1