_config_wp_siteurl( string $url = '' )

This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness. Use WP_SITEURL instead.

Retrieve the WordPress site URL.

Description

If the constant named ‘WP_SITEURL’ is defined, then the value in that constant will always be returned. This can be used for debugging a site on your localhost while not having to change the database to your URL.

See also

Parameters

$url

(string) (Optional) URL to set the WordPress site location.

Default value: ''

Return

(string) The WordPress Site URL.

Source

File: wp-includes/functions.php 

function _config_wp_siteurl( $url = '' ) {
	if ( defined( 'WP_SITEURL' ) ) {
		return untrailingslashit( WP_SITEURL );
	}
	return $url;
}

Uses

Uses Description
wp-includes/formatting.php: untrailingslashit()

Removes trailing forward slashes and backslashes if they exist.

Changelog

Version Description
2.2.0 Introduced.

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