LoopShortcodePosts.php

<?php
require_once("LoopShortcodeBase.php");
/* The basic loop shortcodes for posts of all post types */
class LoopShortcodePosts extends LoopShortcodeBase {

  public $default_template = '<article class="post {{ post_class }}">
    <h4><a href="{{ link }}" class="title" title="{{ excerpt|striptags|words(50) }}">{{ title|raw }}</a></h4>
    <p>{{ excerpt|raw }}</p>
    <div class="meta">
      <span class="author">By <a href="{{ author.page }}">{{ author.display_name }}</a><span>
      <span class="date"><span title="{{ date }}">{{ ago }}</span> ago</span>
      <span class="comments"><span>{{ comments }}</span> {{ comments == 1 ? \'comment\' : \'comments\' }}</span>
    </div>
  </article>';

  public $default_attributes = array(
    'query' => '',
    'thumbnail_size' => 'thumbnail',
    'content' => 0,
    'nl2br' => 0,
    'texturize' => 1,
    'environment' => 'loop_shortcode',
    'sticky' => 0,
    'recall_environment' => 0,
    'recall_environment_type' => 'post__not_in',
    'template' => 0
  );

  public function doLoop($query) {
    // Query the new posts
    $loopObject = new WP_Query($query);

    //if($this->environment == 'main-events') print_r($loopObject);

    $output = '';

    // Load the variables in the loop
    if ($loopObject->have_posts()):
      $allPosts = $loopObject->posts;
      $numPosts = count($allPosts);
      foreach($allPosts as $key => $post):
        $twig_vars = array();
        // Setup all the variables
        $twig_vars['first'] = $key == 0;
        $twig_vars['last'] = $key + 1 == $numPosts;
        $twig_vars['index'] = $key;
        $twig_vars['results'] = $numPosts;
        $twig_vars['query'] = $query;
        $twig_vars['id'] = $post->ID;
        $twig_vars['title'] = $post->post_title;
        $twig_vars['link'] = get_permalink($twig_vars['id']);
        $twig_vars['date'] = $post->post_date;
        $twig_vars['time'] = mysql2date('U', $twig_vars['date']);
        $twig_vars['age'] = abs(time() - $twig_vars['time']);
        $twig_vars['ago'] = human_time_diff($twig_vars['time'], time());
        $twig_vars['modified'] = $post->post_modified;
        $twig_vars['modified_time'] = mysql2date('U', $twig_vars['modified']);
        $twig_vars['modified_age'] = abs(time() - $twig_vars['modified_time']);
        $twig_vars['modified_ago'] = human_time_diff($twig_vars['modified_time'], time());
        if($this->content) {
          $twig_vars['content'] = $post->post_content;
          $twig_vars['content'] = apply_filters('the_content', $twig_vars['content']);
          $twig_vars['excerpt'] = '';
        } else {
          $twig_vars['content'] = '';
          $twig_vars['excerpt'] = get_extended($post->post_content);
          $twig_vars['excerpt'] = strip_shortcodes($twig_vars['excerpt']['main']);
        }
        $twig_vars['post_type'] = $post->post_type;
        $twig_vars['comments'] = $post->comment_count;
        $twig_vars['comments_s'] = ($twig_vars['comments'] == 1) ? '' : 's';

        // Author information
        $twig_vars['author']['id'] = $post->post_author;
        $twig_vars['author']['username'] = get_the_author_meta('user_login', $twig_vars['author']['id']);
        $twig_vars['author']['display_name'] = get_the_author_meta('display_name', $twig_vars['author']['id']);
        $twig_vars['author']['page'] = get_author_posts_url($twig_vars['author']['id']);
        $twig_vars['author']['link'] = get_the_author_meta('user_url', $twig_vars['author']['id']);
        $twig_vars['author']['email'] = get_the_author_meta('user_email', $twig_vars['author']['id']);

        // Thumbnail details
        $twig_vars['thumb'] = wp_get_attachment_image_src(get_post_thumbnail_id($twig_vars['id']), $this->thumbnail_size);
        // Setup the thumbnail full image
        $twig_vars['thumbnail'] = get_the_post_thumbnail($post->ID, $this->thumbnail_size);

        // Setup post classes
        $twig_vars['post_class'] = '';
        $classes = get_post_class();
        foreach ($classes as $classname) {
          $twig_vars['post_class'] .= $classname . ' ';
        }

        // Setup categories
        $twig_vars['categories'] = array();
        // For individual category styling
        $twig_vars['category_ids'] = array();
        $categories = get_the_category($twig_vars['id']);
        if($categories){
          foreach($categories as $category) {
            $buffer = array();
            $buffer['link'] = get_category_link($category->term_id);
            $buffer['name'] = $category->name;
            $buffer['id'] = $category->term_id;
            $twig_vars['category_ids'][] = $category->term_id;
            $twig_vars['categories'][] = $buffer;
          }
        }

        // Setup the custom fields
        $twig_vars['custom'] = array();
        $custom_buffer = get_post_meta($post->ID);
        foreach($custom_buffer as $key => $custom) {
          // Don't include internal meta values
          if(substr($key, 0, 1) == '_') continue;
          // For each element, if it's serializeable, unserialize it
          if(is_array($custom)) {
              $custom = array_map(function($value) {
                  $unserialized = @unserialize($value);
                  return $unserialized === false ? $value : $unserialized;
              }, $custom);
          }
          // This makes it so you don't have to use {{ custom.myfield.0 }} for keys that only ever have one value
          if(is_array($custom)) {
            if(count($custom) > 1) {
              $twig_vars['custom'][$key] = $custom;
            } else {
              $twig_vars['custom'][$key] = $custom[0];
            }
          } else {
            $twig_vars['custom'][$key] = $custom;
          }
        }

        // Load the twig template
        $output .= $this->processTemplate($twig_vars);
      endforeach;
    endif;

    // Return the final output!
    return $output;
  }
}