javascript - How to save PHP variable in loop after AJAX requests more posts? -

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i have been looking @ code far long , getting can me!

i building wordpress site, , main blog page, want display content tiles, every 3 or 7, want display promo content post-type. can fine, when add load more posts button, resets counter have keeping track of promo content 0, therefore showing first 2 promo pieces on , on each new load.

i appreciate help. i'm going in circles now.

the important parts of home.php file :

<div class="blog-post-tiles">     <?php     //variables         $counter = 0;         $promo_counter = 0;           $args = array(                         'post_type'  => 'promo',                     );                      //$postlist = new wp_query( $args );                     $postlist = get_posts($args);                     $posts = array();                      foreach ( $postlist $post ) {                         $promo_posts_array[] += $post->id;                     }         ?>          <?php if ( have_posts() ) : ?>         <?php $query = new wp_query( $query_string.'&cat=-16' );          while ( $query->have_posts() ) : $query->the_post() ?>              <?php                  // print post loop                  get_template_part( 'template-parts/content', get_post_format() );                  $counter++;                  //display promo content ever 3rd or 10th spot                 if (($counter == 3) || ($counter % 10 == 0) || ($counter % 10 == 3)) {                      if ($promo_counter < count($promo_posts_array)){                          $print_post =  $promo_posts_array[$promo_counter];                          $promo_thumbnail_src = wp_get_attachment_image_src( get_post_thumbnail_id($print_post), array( 200,200 ), false, '');                          ?>                          <div class="posts_page_tile promo-tile" id="id-<?php echo $print_post; ?>">                             <div class="entry-content">                                 <div class="promo-image" style="background-image:url('<?php echo $promo_thumbnail_src[0]; ?>'); background-color:<?php echo get_post_meta($print_post, 'bgcolor', true) ?>">                                     <h3><a href="<?php echo get_post_meta($print_post, 'cta_link', true); ?>"><?php echo get_the_title($print_post); ?></a></h3>                                     <div class="promo_button_white_border"><a href="' . get_post_meta($print_post, 'cta_link', true) . '"><?php echo  get_post_meta($print_post, 'cta', true); ?></a>                                     </div>                                 </div>                             </div>                         </div>                          <?php                          }                          $promo_counter++;                         wp_reset_postdata();                 }             ?>       <?php endwhile; ?>

i'm using this load more posts plugin.


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