This inserts or replaces a key in the query table. A query_value of NULL indicates that the key has no associated value, but will still be present in the query string.
The key for the query entry.
The value for the key.
TRUE if the query table was successfully updated.
1.6
This inserts or replaces a key in the query table. A query_value of NULL indicates that the key has no associated value, but will still be present in the query string.