minor usability improvements, added default spacing between paragraph tags, added last edited/updated to articles and article cards.

functions/article_functions.php

@@ -103,7 +103,8 @@ function article_page_from_markdown($article_id)
             <div class="row">
                 <div class="col_right">
                     <h5>Written by <a href="user.php?action=view&user_id=' . $author['user_id'] . '">' . $author['username'] . '</a></h5>
-                    <p>Published on ' . $article['published_at'] . '</p>
+                    <p>Published on ' . $article['published_at'] . '<br>
+                    Lasted edited on ' . $article['updated_at'] . '</p>
                 </div>
                 <div class="card_pic_box">
                     <img src="' . $_ENV['PROFILE_IMAGES_PQ_PATH'] . $author['profile_picture'] . '" class="card_profile_picture" />
@@ -175,6 +176,7 @@ function article_card($article_id)
                     <div class="col-right">
                         <a href="user.php?action=view&user_id=' . $author['user_id'] . '">Written by: ' . $author['username'] . '</a>
                         <small>Published: ' . $article['published_at'] . '</small>
+                        <small>Updated: ' . $article['updated_at'] . '</small>
                     </div>
                     <div class="card_pic_box">
                         <img src="' . $_ENV['PROFILE_IMAGES_PQ_PATH'] . $author['profile_picture'] . '" class="card_profile_picture">