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1. carlodurso
   Member
   Posted 8 months ago #
   

   I'm trying to write a fucntion in functions.php that promotes a post to featured depending on how many times has been viewed. For the views count I'm using a plugin method (WordPress Popular Posts). The theme is based on Roots.

   function promote_post($promoted) {
   	global $post;
   
   	foreach(($post->ID) as $promoted ){
   		wpp_get_views($post->ID);
   	}
   
     	if (is_home() && (wpp_get_views($post->ID) > 2)){
   	        stick_post($promoted);
   	  }
   	}
   	add_filter('post_class', 'promote_post');

   I'm not able to loop through all the posts and set the sticky class according to the condition. The error I get is: Invalid argument supplied for foreach().

2. bcworkz
   Member
   Posted 8 months ago #
   

   foreach needs an array argument for which it can step through each element. $post->ID is an integer, there are not multiple elements to step through.

   I believe 'post_class' fires on each post in the loop, so you can just get the views for the current post and promote as needed. No foreach loop needed.

   Just a suggestion-- This seems overkill to check for posts to promote on every page load. You might consider doing this less often as a scheduled task.

3. carlodurso
   Member
   Posted 8 months ago #
   

   bcworkz you're right on both, the foreach and the scheduled task. I'll look into it. Thanks.

   This is the working code for reference:

   function promote_post($classes) {
   	global $post;
   
   	 if (is_home() && wpp_get_views($post->ID) > 10){
   	   stick_post(get_the_ID());
   	  } else {unstick_post(get_the_ID());
   	  		}
   	  return $classes;
   	}
   	add_filter('post_class', 'promote_post');

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