content-index.php

<?php

/**
 * The template for displaying content in the index.php template.
 */
?>

<article id="post-<?php the_ID(); ?>" <?php post_class('col-sm-6 col-lg-4 mb-4'); ?>>

   <?php if (has_post_thumbnail()) : ?>
      <div class="card card-with-img">
         <a href="<?php the_permalink(); ?>" title="<?php printf(esc_attr__('Permalink to %s', 'polyglotwannabe'), the_title_attribute('echo=0')); ?>" rel="bookmark">
            <img src="<?php echo get_the_post_thumbnail_url(get_the_ID(), 'large'); ?>" alt="" class="card-img">
            <div class="card-img-overlay d-flex flex-column justify-content-end bg-dark-gradient">
               <h5 class="card-title"><?php the_title(); ?>
               </h5>
            </div>
         </a>
      </div>

   <?php elseif (in_category('definitions')) : ?>
      <div class="card">
         <div class="card-body">
            <h5 class="card-title">
               <?php the_title(); ?>
            </h5>
            <hr class="w-25">
            <div class="card-text entry-content text-pastel custom-link"><?php the_content(); ?></div>
         </div>
      </div>

   <?php else : ?>
      <div class="card">
         <div class="card-body">
            <h5 class="card-title">
               <a href="<?php the_permalink(); ?>" title="<?php printf(esc_attr__('Permalink to %s', 'polyglotwannabe'), the_title_attribute('echo=0')); ?>" rel="bookmark"><?php the_title(); ?></a>
            </h5>
            <?php
            if ('post' === get_post_type()) :
            ?>
               <h6 class="card-subtitle mb-3"><small class="text-muted entry-meta">
                     <?php
                     printf(
                        wp_kses_post(__('<time class="entry-date" datetime="%1$s">%2$s</time>', 'polyglotwannabe')),
                        esc_attr(get_the_date('c')),
                        esc_html(get_the_date() . ' - ' . get_the_time())
                     )
                     ?>
                  </small></h6>
            <?php
            endif;
            ?>
            <div class="card-text entry-content">
               <?php
               if (is_search() or has_excerpt()) :
                  the_excerpt();
               else :
                  the_content();
               endif;
               ?>
               <?php wp_link_pages(array('before' => '<div class="page-link"><span>' . esc_html__('Pages:', 'polyglotwannabe') . '</span>', 'after' => '</div>')); ?>
            </div>
         </div>
      </div>

   <?php endif; ?>

</article>