Wordpress numbered pagination

functions.php

<?php

/**
 *  Set text domain
 */
function get_text_domain() {
	return 'textdomain';
}

/**
 * Custom post navigation function.
 */
function dwply_posts_navigation() { 
	global $wp_query;
	$big = 999999999; // need an unlikely integer
	echo '<section class="posts-navigation">';
		echo '<div class="container">';
			echo '<nav id="pagination">';
				echo paginate_links( array(
					'base'			=> str_replace( $big, '%#%', esc_url( get_pagenum_link( $big ) ) ),
					'format' 		=> '/page/%#%',
					'end_size' 	=> 0,
					'mid_size' 	=> 4,
					'type' 			=> 'plain',
					'current' 	=> max( 1, get_query_var('paged') ),
					'prev_text' => __('&laquo; Prev', get_text_domain()),
					'next_text' => __('Next &raquo;', get_text_domain()),
					'total' 		=> $wp_query->max_num_pages
				) );
			echo '</nav>';
		echo '</div>';
	echo '</section>';
}