WordPress :: Divi Theme :: Include Tags In Post Meta When Displayed On Frontend

child-functions-php-snippet.php

<?php
/* DON'T copy the first line (above) if your functions.php already has it. 
 * ----------------------------------------------------------------------- */
 
 function et_pb_postinfo_meta( $postinfo, $date_format, $comment_zero, $comment_one, $comment_more ){
	$postinfo_meta = '';
	if ( in_array( 'author', $postinfo ) )
		$postinfo_meta .= ' ' . esc_html__('by', 'et_builder') . ' <span class="author vcard">' . et_pb_get_the_author_posts_link() . '</span>';
	if ( in_array( 'date', $postinfo ) ) {
		$postinfo_meta .= '<span class="published">' . esc_html(get_the_time(wp_unslash( $date_format) ) ) . '</span>';
	}
	if ( in_array( 'categories', $postinfo ) ) {	
		$postinfo_meta .= '<span class="tag-list">' . get_the_tag_list('', ', ') . '</span>';
		$postinfo_meta .= '<span class="category-list">' . get_the_category_list(', ') . '</span>';
	}
	if ( in_array( 'comments', $postinfo ) ) {
		$postinfo_meta .= '<span class="comments-list">' . et_pb_get_comments_popup_link($comment_zero, $comment_one, $comment_more) . '</span>';
	}
	return $postinfo_meta;
}

styles.css

/*
Example (untested) css only, adapt to suit your needs.
*/

.et_pb_title_meta_container .published {
  display: block;
}

.et_pb_title_meta_container .tag-list {
  display: inline-block;
}
.et_pb_title_meta_container .tag-list::after {
  content: ' | ';
}
.et_pb_title_meta_container .tag-list a {
  padding: 1px 2px;
  border: 1px solid #000;
}

.et_pb_title_meta_container .category-list::before {
  content: 'Category: ';
}