All in One SEOで特定のカスタム投稿の記事だけcanonicalURLを差し替えたい [ functions.php ]

add_filter( 'aioseo_canonical_url', 'no_canonical_url');
function no_canonical_url($url){
	global $wp_query;
	$postID = $wp_query->post->ID;
	if(is_singular('faq')){
		return home_url( '/faq/' );
	}else{
		return $url;
	}
}

function my_aioseo_title($title) {
  global $post;
  global $post_type;
 
  if(is_singular() && $post_type == 'faq') {
    $metas = get_post_meta($post->ID);
    $title = get_the_title() . ' – ' . $metas['subtitle'][0] . ' – 川口市のこんたホームページ製作所';
  }
 
  return $title;
}
add_filter('aioseo_title', 'my_aioseo_title');

function my_aioseo_description($description){
  global $post; 
  if ( get_post_type() == 'products' ) {
    $metas = get_post_meta($post->ID); 
    $description = mb_strimwidth( strip_tags( str_replace(array("\r\n", "\r", "\n"), '', $metas['charactor'][0])), 0, 120, "…", "UTF-8");
  } 
  return $description;
}
add_filter('aioseo_description', 'my_aioseo_description');

function my_aioseo_keyword($keyword){
  global $post; 
  $keyword .= ',' . $post->post_name; 
  return $keyword;
}
add_filter('aioseo_keyword', 'my_aioseo_keyword');

function my_aioseo_canonical_url($canonical_url){
  $canonical_url = (empty($_SERVER["HTTPS"]) ? "http://" : "https://") . $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"]
  return $canonical_url;
}
add_filter('aioseo_canonical_url', 'my_aioseo_canonical_url');

return hogehoge;