How do I rewrite an PHP echo inside a PHP echo?
Try out in this way. as ocanal said.PHP echo inside echotaken from his example
echo '<td align="left"><a href="'.url('Forum/create_new_post?topic_id='.$post->topic_id.'&forum_id='.$post->forum_id.'').'"><img src="'.SITE_URL.'/lib/skins/flyeuro/images/forums/t_reply.gif"/></a></td>';
or you can also refer this link for your reference.How to write php echo inside echo
please modify according to your code.