$valid['footer']=(isset($input['footer'])&&!empty($input['footer']))?$input['footer']:"<br /><center><hr/><em>Posted from my blog with <a href='https://wordpress.org/plugins/steempress/'>SteemPress</a> : [%original_link%] </em><hr/></center>";
<p> Delay posts : Your posts will get published to steem x minutes after being published on your blog. A value of 0 posts your articles to steem as soon as you publish them.</p>
<p> Delay posts : Your posts will get published to steem x minutes after being published on your blog. A value of 0 posts your articles to steem as soon as you publish them. maximum value is 87600, 2 months. </p>