Page-Carbajal

<?php
   /**
    * Return the Post Thumbnail URL if $post has thumbnail
    * $post is a WordPress Post Object
    * @param $post
    * @return string
    */
   private function getPostThumbnailURL( $post ){

      if ( has_post_thumbnail( $post->ID ) ){

Page-Carbajal

Select post_date, count(post_date) as post_count from wp_posts 
	where post_status = 'publish'
		and ( post_date between '2015-05-01' And '2015-05-30' )
	Group By DAYOFYEAR( post_date )
;

Page-Carbajal

<?php
namespace WordPress\Filters;

class PreGetPosts{

   public $filterPriority = 10;

   public function __construct( $priority = 10 ){
      //TODO: Set your custom properties if needed
      $this->filterPriority;