View difference between Paste ID: MVdYvpG3 and j5k3r3rF

 add_action( 'after_setup_theme', 'child_theme_setup', 20 );
 
 function child_theme_setup() {
     remove_shortcode( 'blog' );
     add_shortcode( 'blog', 'my_blog' );
 }
 
 function my_blog($attributes, $content = null) {
     $attributes = shortcode_atts(
         array(
             'posts' => 6,
             'category' => null,
             'ajax' => 0,
             'reverse' => 0,
         ), $attributes);
 
     if (is_numeric($attributes['posts']) AND $attributes['posts'] > 0)
     {
         $attributes['posts'] = ceil($attributes['posts']);
     } else
     {
         $attributes['posts'] = 6;
     }
 
     $args = array(
         'post_status' => 'publish,future',
         'post_type' => 'post',
         'posts_per_page' => $attributes['posts'],
         'post__not_in' => get_option('sticky_posts')
     );
 
     if ( $attributes['reverse'] == 1) {
         $args['order'] = 'ASC';
     }
 
     if ( ! empty($attributes['category'])) {
         $args['category_name'] = $attributes['category'];
     }
 
     $posts = new WP_Query($args);
     $max_num_pages = $posts->max_num_pages;
 
     $output =   '<div class="w-blog imgpos_atleft more_hidden">
                     <div class="w-blog-h">
                         <div class="w-blog-list">';
 
     while($posts->have_posts())
     {
         $posts->the_post();
 
         if (has_post_thumbnail()) {
             $the_thumbnail = wp_get_attachment_image_src(get_post_thumbnail_id(), 'blog-list');
             $the_thumbnail = $the_thumbnail[0];
         } else {
             $the_thumbnail =  get_template_directory_uri() .'/img/placeholder/500x500.gif';
         }
 
         $output .=          '<div class="w-blog-entry">
                                 <div class="w-blog-entry-h">
                                     <a class="w-blog-entry-link" href="'.get_permalink(get_the_ID()).'">
                                         <div class="w-blog-entry-preview">
                                             <img src="'.$the_thumbnail.'" alt="">
                                         </div>
 
                                         <h2 class="w-blog-entry-title">
                                             <span class="w-blog-entry-title-h">'.get_the_title().'</span>
                                         </h2>
                                     </a>
                                     <div class="w-blog-entry-body">
                                         <div class="w-blog-entry-meta">
                                             <div class="w-blog-entry-meta-date">
                                                 <span class="w-blog-entry-meta-date-month">'.get_the_date('M').'</span>
                                                 <span class="w-blog-entry-meta-date-day">'.get_the_date('d').'</span>
                                                 <span class="w-blog-entry-meta-date-year">'.get_the_date('Y').'</span>
                                             </div>
 
                                             <div class="w-blog-entry-meta-comments">
                                                 <a class="w-blog-entry-meta-comments-h" href="'.get_permalink(get_the_ID()).'#comments"><i class="fa fa-comments"></i>'.get_comments_number().'</a>
                                             </div>
                                         </div>
 
                                         <div class="w-blog-entry-short">
                                             '.apply_filters('the_excerpt', get_the_excerpt()).'
                                         </div>
 
                                     </div>
                                 </div>
                             </div>';
     }
 
     $output .=          '</div>
                     </div>
                 </div>';
 
     if ($max_num_pages > 1 AND $attributes['ajax'] == 1) {
         $output .=
 '<script type="text/javascript">
 var page = 1,
 max_page = '.$max_num_pages.'
 jQuery(document).ready(function(){
 jQuery("#blog_load_more").click(function(){
     jQuery(this).hide();
     jQuery("#spinner").show();
     jQuery.ajax({
         type: "POST",
         url: "'.admin_url('admin-ajax.php').'",
         data: {
             action: "blogPagination",
             page: page+1,
             per_page: '.$attributes['posts'].'
         },
         success: function(data, textStatus, XMLHttpRequest){
             page++;
             jQuery(".w-blog-list").append(data);
             jQuery("#spinner").hide();
             if (max_page > page) {
                 jQuery("#blog_load_more").show();
             }
             jQuery(window).resize();
         },
         error: function(MLHttpRequest, textStatus, errorThrown){
             jQuery("#spinner").hide();
             jQuery(this).show();
         }
     });
 });
 });
 </script>
 <div class="w-blog-load">
 <a href="javascript:void(0);" id="blog_load_more" class="g-btn type_default size_small"><span>'.__('Load More Posts', 'us').'</span></a>
 <img id="spinner" src="'.get_template_directory_uri().'/img/loader.gif" alt="loading..." style="display: none;">
 </div>';
     }
 
     return $output;
 }
 
 if ( ! function_exists('blogAjaxPagination'))
 {
     function blogAjaxPagination() {
         global $smof_data, $us_thumbnail_size;
 
         if (isset($_POST['page']) AND $_POST['page'] > 1)
         {
             $page = $_POST['page'];
         }
         else
         {
             return;
         }
 
         $posts = new WP_Query();
 
         $lang_param = $per_page_param = '';
 
         if (defined('ICL_LANGUAGE_CODE'))
         {
             $lang_param = '&lang=' . ICL_LANGUAGE_CODE;
         }
 
         if (isset($_POST['per_page'])) {
             $per_page_param = '&posts_per_page='.$_POST['per_page'];
         }
 
         $posts->query('paged='.$page.'&post_type=post&post_status=publish,future'.$per_page_param.$lang_param);
 
         $output = '';
 
         while($posts->have_posts())
         {
             $posts->the_post();
 
             if (has_post_thumbnail()) {
                 $the_thumbnail = wp_get_attachment_image_src(get_post_thumbnail_id(), 'blog-list');
                 $the_thumbnail = $the_thumbnail[0];
             } else {
                 $the_thumbnail =  get_template_directory_uri() .'/img/placeholder/500x500.gif';
             }
 
             $output .=          '<div class="w-blog-entry">
                                     <div class="w-blog-entry-h">
                                         <a class="w-blog-entry-link" href="'.get_permalink(get_the_ID()).'">
                                             <div class="w-blog-entry-preview">
                                                 <img src="'.$the_thumbnail.'" alt="">
                                             </div>
 
                                             <h2 class="w-blog-entry-title">
                                                 <span class="w-blog-entry-title-h">'.get_the_title().'</span>
                                             </h2>
                                         </a>
                                         <div class="w-blog-entry-body">
                                             <div class="w-blog-entry-meta">
                                                 <div class="w-blog-entry-meta-date">
                                                     <span class="w-blog-entry-meta-date-month">'.get_the_date('M').'</span>
                                                     <span class="w-blog-entry-meta-date-day">'.get_the_date('d').'</span>
                                                     <span class="w-blog-entry-meta-date-year">'.get_the_date('Y').'</span>
                                                 </div>
 
                                                 <div class="w-blog-entry-meta-comments">
                                                     <a class="w-blog-entry-meta-comments-h" href="'.get_permalink(get_the_ID()).'#comments"><i class="fa fa-comments"></i>'.get_comments_number().'</a>
                                                 </div>
                                             </div>
 
                                             <div class="w-blog-entry-short">
                                                 '.apply_filters('the_excerpt', get_the_excerpt()).'
                                             </div>
 
                                         </div>
                                     </div>
                                 </div>';
         }
 
         echo $output;
 
         die();
 
     }
 
     add_action( 'wp_ajax_nopriv_blogPagination', 'blogAjaxPagination' );
     add_action( 'wp_ajax_blogPagination', 'blogAjaxPagination' );
 }