WP::handle_404()
Method: Set the Headers for 404, if nothing is found for requested URL.
Source: wp-includes/class-wp.php:694
WP::remove_query_var()
Method: Removes a query variable from a list of public query variables.
Source: wp-includes/class-wp.php:106
pre_handle_404
Filter Hook: Filters whether to short-circuit default header status handling.
Source: wp-includes/class-wp.php:708
WP::set_query_var()
Method: Sets the value of a query variable.
Source: wp-includes/class-wp.php:118
WP::main()
Method: Sets up all of the variables required by the WordPress environment.
Source: wp-includes/class-wp.php:788
WP::parse_request()
Method: Parses the request to find the correct WordPress query.
Source: wp-includes/class-wp.php:136
wp
Action Hook: Fires once the WordPress environment has been set up.
Source: wp-includes/class-wp.php:808
do_parse_request
Filter Hook: Filters whether to parse the request.
Source: wp-includes/class-wp.php:148
query_vars
Filter Hook: Filters the query variables allowed before processing.
Source: wp-includes/class-wp.php:299
request
Filter Hook: Filters the array of parsed query variables.
Source: wp-includes/class-wp.php:390