title: Get any of the item from the Array with whereIn in Laravel 5.3
body: <p>I'm using laravel 5.3 and trying to build a query with multiple where and wherein function. Here is my code:</p>
  
  <pre><code>$posts_id = "1,3,4";  //from my query
  $results = Post::select('*');   
  $results-&gt;whereIn('posts_id', [$posts_id]);
  $resutls-&gt;get();
  </code></pre>
  
  <p>There is 1 post which have an id of 4 in my database, but my query doesn't returning anything. Though there is 4 in my post ids <code>$posts_id = "1,3,4";</code>.</p>
  
  <p>Need help, to get posts from any of the id, which I've included in my <code>$posts_id</code> variable.</p>
  
  <p>Thanks in Advance!</p>