canon redirect

functions.php

/* 
 * Request is to set up 301 redirects for permalink change.
 * permalink changing from:
 * http://vip.local/blog/2015/06/27/hello-world/
 * to:
 * http://vip.local/blog/uncategorized/hello-world-1/
 */

// Successfully applies new url structure
wpcom_vip_load_permastruct( '/%category%/%postname%-%post_id%/' );

/*
 * Does not appear to ever fire unless you access the direct url ( http://vip.local/blog/?p=1 )
 * We'd like the old url (http://vip.local/blog/2015/06/27/hello-world/) to redirect to the new one.
 */
add_filter( 'redirect_canonical', 'tt_redirect_canonical', 10, 2 );
function tt_redirect_canonical( $redirect_url, $requested_url ) {
	/* Never fires if someone accesses the old urls. */
}