Filters the site URL. 

Parameters

.

( 2.7.0 ) . .

( string ) $url The complete site URL including scheme and path. . . .

( string ) $path Path relative to the site URL. Blank string if no path is specified. . . .

$scheme

( string|null ) Scheme to give the site URL context. Accepts ‘http’, ‘https’, ‘login’, ‘login_post’, ‘admin’, ‘relative’ or null. . . .

( int|null ) $blog_id Site ID, or null for the current site. . . .