wp_headers
Filter Hook: Filters the HTTP headers before they’re sent to the browser.
Source: wp-includes/class-wp.php:469
wp
Action Hook: Fires once the ClassicPress environment has been set up.
Source: wp-includes/class-wp.php:728
WP::main()
Method: Sets up all of the variables required by the ClassicPress environment.
Source: wp-includes/class-wp.php:713
pre_handle_404
Filter Hook: Filters whether to short-circuit default header status handling.
Source: wp-includes/class-wp.php:635
WP::handle_404()
Method: Set the Headers for 404, if nothing is found for requested URL.
Source: wp-includes/class-wp.php:621
WP::query_posts()
Method: Set up the Loop based on the query variables.
Source: wp-includes/class-wp.php:598
WP::init()
Method: Set up the current user.
Source: wp-includes/class-wp.php:587
WP::register_globals()
Method: Set up the ClassicPress Globals.
Source: wp-includes/class-wp.php:560
query_string
Filter Hook: Filters the query string before parsing.
Source: wp-includes/class-wp.php:537
WP::build_query_string()
Method: Sets the query string property based off of the query variable property.
Source: wp-includes/class-wp.php:517