php lepaskan tag jangkar dari string

$text = "<a href='http://www.google.com/'>Google1</a><br>" .
        "<a>Google2</a><br>" .
        "<afaketag href='http://www.google.com'>Google2</afaketag><br>" .
        "<afaketag>Google4</afaketag><br>" . 
        "<a href='http://www.google.com'><img src='someimage.jpg'></a>";
echo preg_replace("/<\/?a( [^>]*)?>/i", "", $text);
Geeky Bravo