How to edit theme functions file to modify pagination?

Just specify an image as the “nextpagelink” and “previouspagelink” instead of the << or >>: <?php wp_link_pages(array(‘before’ => ‘<div class=”pagenav”><strong>Navigate</strong>’, ‘after’ => ‘</div>’, ‘next_or_number’ => ‘number’, ‘nextpagelink’ => __(‘<img src=”https://wordpress.stackexchange.com/questions/1314/PUT YOUR IMAGE URL HERE” />’), ‘previouspagelink’ => __(‘<img src=”https://wordpress.stackexchange.com/questions/1314/PUT YOUR IMAGE URL HERE” />’))); ?> Also, you are correct that by default you are limited … Read more