Fires after the query variable object is created, but before the actual query is run. Note: If using conditional tags, use the method versions within the passed instance (e.g. $this->is_main_query() instead of is_main_query()). This is because the functions like is_main_query() test against the global $wp_query instance, not the passed one.
- ( 2.0.0 ) . .
- ( WP_Query ) The WP_Query instance (passed by reference). . . .