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function is not described

ms_allowed_http_request_hosts() WP 3.6.0

Adds any domain in a multisite installation for safe HTTP requests to the allowed list.

Attached to the http_request_host_is_external filter.

No Hooks.

Return

true|false.

Usage

ms_allowed_http_request_hosts( $is_external, $host );
$is_external *(true false) (required)*
$host(string) (required)
-

Notes

  • Global. wpdb. $wpdb WordPress database abstraction object.

Changelog

Since 3.6.0 Introduced.

Code of ms_allowed_http_request_hosts() WP 5.7.2

<?php
function ms_allowed_http_request_hosts( $is_external, $host ) {
	global $wpdb;
	static $queried = array();
	if ( $is_external ) {
		return $is_external;
	}
	if ( get_network()->domain === $host ) {
		return true;
	}
	if ( isset( $queried[ $host ] ) ) {
		return $queried[ $host ];
	}
	$queried[ $host ] = (bool) $wpdb->get_var( $wpdb->prepare( "SELECT domain FROM $wpdb->blogs WHERE domain = %s LIMIT 1", $host ) );
	return $queried[ $host ];
}