query_vars │ хук-фильтр │ WC 1.0

Это хук WordPress - query_vars. Плагин его просто использует.

Filter the publicly allowed query vars.

Allows adjusting of the default query vars that are made public.

Использование

add_filter( 'query_vars', 'wp_kama_query_vars_filter' );

/**
 * Function for `query_vars` filter-hook.
 * 
 * @param string[] $public_query_vars The array of allowed query variable names.
 *
 * @return string[]
 */
function wp_kama_query_vars_filter( $public_query_vars ){

	// filter...
	return $public_query_vars;
}

$public_query_vars(string[]): The array of allowed query variable names.

Где вызывается хук

WC_REST_Posts_Controller::get_allowed_query_vars()

query_vars

woocommerce_rest_private_query_vars

woocommerce_rest_query_vars

woocommerce/includes/rest-api/Controllers/Version3/class-wc-rest-posts-controller.php 555

$valid_vars = apply_filters( 'query_vars', $wp->public_query_vars );

Где используется хук в WooCommerce

woocommerce/includes/admin/list-tables/class-wc-admin-list-table-orders.php 53

add_filter( 'query_vars', array( $this, 'add_custom_query_var' ) );

woocommerce/includes/admin/list-tables/class-wc-admin-list-table-products.php 56

add_filter( 'query_vars', array( $this, 'add_custom_query_var' ) );

woocommerce/includes/class-wc-auth.php 32

add_filter( 'query_vars', array( $this, 'add_query_vars' ), 0 );

woocommerce/includes/class-wc-query.php 56

add_filter( 'query_vars', array( $this, 'add_query_vars' ), 0 );

woocommerce/src/Blocks/BlockTypes/ProductQuery.php 71

add_filter( 'query_vars', array( $this, 'set_query_vars' ) );

woocommerce/src/Blocks/Domain/Services/CheckoutLink.php 25

add_filter( 'query_vars', array( $this, 'add_query_vars' ), 0 );

woocommerce/src/Internal/ProductFilters/MainQueryController.php 51

add_filter( 'query_vars', array( $this, 'add_query_vars' ) );

woocommerce/src/Internal/TransientFiles/TransientFilesEngine.php 55

add_filter( 'query_vars', array( $this, 'handle_query_vars' ), 0 );

woocommerce/src/Internal/Utilities/LegacyRestApiStub.php 35

add_action( 'query_vars', array( __CLASS__, 'add_query_vars_for_legacy_rest_api_stub' ), 0 );