[WordPress | Query Post Type, Group By Year] #WordPress #CPT

query-post-type-group-by-year.php

// see example https://www.carnegiehero.org/heroes/latest-award-announcements/press-releases/

<?php
	$oldest = get_posts( 'post_type=post&post_status=publish&posts_per_page=1&order=ASC' );
	$oldest_date = $oldest[0]->post_date;

	$first_date = date('Y', strtotime($oldest_date));
	$todays_date = date('Y');

	$year_range = range($todays_date, $first_date);

	foreach ($year_range as $year) {
      
      echo '<h2>' . $year . '</h2>';

      $args = array(
        'posts_per_page'    => -1,
        'post_type'         => 'awardee_pr',
        'post_status'       => 'publish',
        'year'              => $year,
      );
      
      $yearly_posts = new WP_Query($args);
      
      if($yearly_posts->have_posts()) {
        
        echo '<ul>';
        
        while($yearly_posts->have_posts()) {
          $yearly_posts->the_post();
          
          echo '<li><h3><span>' . get_the_date( 'F j, Y' ) . ': </span>';
          echo '<a href="';
          echo the_permalink();
          echo '">';
          echo get_the_title();
          echo '</a></h3></li>';
        }
        
        echo '</ul>';
      }
    }

wp_reset_postdata();
?>