WP - Meta List

index.php

<ul class="meta">
	<li>By
		<a href="<?php echo get_author_posts_url(get_the_author_meta('ID')); ?>">
			<?php the_author(); ?></a>
	</li>
	<li><?php the_time('F j, Y g:i a'); ?></li>
	<li>
		<?php 
			$categories = get_the_category();
			$separator = ", ";
			$output = '';
 
			if($categories) {
				foreach($categories as $category) {
				$output .= '<a href="'. get_category_link($category->term_id).'">'.$category->cat_name .'</a>'. $separator;
				}
			}
			echo trim($output, $separator);
		?>
	</li>
</ul>