WP::main( string|array $query_args = '' )

Sets up all of the variables required by the WordPress environment.

Description

The action ‘wp’ has one parameter that references the WP object. It allows for accessing the properties and methods to further manipulate the object.

Parameters

$query_args

(string|array) (Optional) Passed to parse_request().

Default value: ''

Source

File: wp-includes/class-wp.php 

public function main( $query_args = '' ) {
		$this->init();
		$this->parse_request( $query_args );
		$this->send_headers();
		$this->query_posts();
		$this->handle_404();
		$this->register_globals();

		/**
		 * Fires once the WordPress environment has been set up.
		 *
		 * @since 2.1.0
		 *
		 * @param WP $this Current WordPress environment instance (passed by reference).
		 */
		do_action_ref_array( 'wp', array( &$this ) );
	}

Uses

Uses Description
wp-includes/class-wp.php: WP::init()

Set up the current user.
wp-includes/class-wp.php: WP::query_posts()

Set up the Loop based on the query variables.
wp-includes/class-wp.php: WP::handle_404()

Set the Headers for 404, if nothing is found for requested URL.
wp-includes/class-wp.php: WP::register_globals()

Set up the WordPress Globals.
wp-includes/class-wp.php: wp

Fires once the WordPress environment has been set up.
wp-includes/class-wp.php: WP::parse_request()

Parses the request to find the correct WordPress query.
wp-includes/class-wp.php: WP::send_headers()

Sends additional HTTP headers for caching, content type, etc.
wp-includes/plugin.php: do_action_ref_array()

Calls the callback functions that have been added to an action hook, specifying arguments in an array.

Used By

Used By Description
wp-includes/functions.php: wp()

Set up the WordPress query.

Changelog

Version Description
2.0.0 Introduced.

© 2003–2021 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/wp/main