Footer credit stopped working after 3.5.4

I have the below code in my child functions.php that would change the footer to what I want. NOw I have version 3.5.4. it stopped working.
Any advice? Thanks!!!!

add_filter(‘czr_fn_credits_display’, ‘my_custom_credits’);
function my_custom_credits(){
$credits = ‘Customized by Nature Heals‘;
$newline_credits = ‘<span>819048<span></span> 714<span></span> 391<span></span> ?<span></span> 419<span></span> 818719<span></span> 914481</span>’;
return ‘
<div class=”span4 credits”>
<p> · © ‘.esc_attr( date( ‘Y’ ) ).’ ‘.esc_attr(get_bloginfo()).’ · ‘.($credits ? $credits : ‘Designed by Nature Heals‘).’ ·’.($newline_credits ? ‘<br />· ‘.$newline_credits.’ ·’ : ”).'</p> </div>’;
}