wp_headers
Filter Hook: Filters the HTTP headers before they’re sent to the browser.
Source: wp-includes/class-wp.php:540
send_headers
Action Hook: Fires once the requested HTTP headers for caching, content type, etc. have been sent.
Source: wp-includes/class-wp.php:572
WP::build_query_string()
Method: Sets the query string property based off of the query variable property.
Source: wp-includes/class-wp.php:583
query_string
Filter Hook (deprecated): Filters the query string before parsing.
Source: wp-includes/class-wp.php:604
WP::register_globals()
Method: Set up the WordPress Globals.
Source: wp-includes/class-wp.php:632
WP::init()
Method: Set up the current user.
Source: wp-includes/class-wp.php:660
WP
Class: ClassicPress environment setup class.
Source: wp-includes/class-wp.php:9
WP::query_posts()
Method: Set up the Loop based on the query variables.
Source: wp-includes/class-wp.php:671
WP::add_query_var()
Method: Adds a query variable to the list of public query variables.
Source: wp-includes/class-wp.php:93
WP::handle_404()
Method: Set the Headers for 404, if nothing is found for requested URL.
Source: wp-includes/class-wp.php:694