PHP SQL query error

Question

I have some problem with type conversation in this code (working with Facebook PHP SDK 3.0.1):

$page_id = 192485754113829;
$post_limit = 2;

$query = \"select po         


        

Answer 1

You think you do string concatenation, but you don't. The dots are inside the double quoted string and hence have no special meaning. They are not valid in a SQL statement.

As variables are parsed in double quoted strings you can do:

"select (...) where source_id = $page_id LIMIT $post_limit";

If you want to use string concatenation, you have the terminate the string properly:

'select (...) where source_id = ' . $page_id . ' LIMIT ' . $post_limit;

Read more about strings.