Function to modify numbered pagination

[Carla the Moose]

Sure, but be forewarned: These are changes I made directly to a Genesis file. NOT a good idea. When I have some time, I'm going to write a proper function for my child theme.

Thanks to Brad's guidance, I found the code in genesis/lib/structure/post.php. Here it is. Copy this to a text editor, and then open a blank document and copy the original post.php contents and save it.

Search for XXX and you'll see what I did. There are six of them. The first marks the beginning of the section where you'll find the code. This is just that section. I only wanted numbers to display, so I also removed the previous/next text links, including the invisible but present anchor link.

ETA: For the $paged code, where you see XXX is the line I removed to limit the numbered links to display only one on either side of the active link. I hope that makes sense. Just compare with the original code and you'll see what I removed.

add_action( 'genesis_after_endwhile', 'genesis_posts_nav' );
/** XXX
 * Conditionally echo archive pagination in a format dependent on chosen setting.
 *
 * This is shown at the end of archives to get to another page of entries.
 *
 * @since 0.2.3
 *
 * @uses genesis_get_option()            Get theme setting value.
 * @uses genesis_prev_next_posts_nav()   Prev and Next links.
 * @uses genesis_numeric_posts_nav()     Numbered links.
 */
function genesis_posts_nav() {

	if ( 'numeric' === genesis_get_option( 'posts_nav' ) )
		genesis_numeric_posts_nav();
	else
		genesis_prev_next_posts_nav();

}

/**
 * Echo archive pagination in Previous Posts / Next Posts format.
 *
 * Applies <code>genesis_prev_link_text</code> and <code>genesis_next_link_text</code> filters.
 *
 * @since 0.2.2
 */
function genesis_prev_next_posts_nav() {

	$prev_link = get_previous_posts_link( apply_filters( 'genesis_prev_link_text', '« ' . __( 'Previous Page', 'genesis' ) ) );
	$next_link = get_next_posts_link( apply_filters( 'genesis_next_link_text', __( 'Previous Page', 'genesis' ) . ' »' ) );

	$prev = $prev_link ? '<div class="pagination-previous alignleft">' . $prev_link . '</div>' : '';
	$next = $next_link ? '<div class="pagination-next alignright">' . $next_link . '</div>' : '';

	$nav = genesis_markup( array(
		'html5'   => '<div %s>',
		'xhtml'   => '<div class="navigation">',
		'context' => 'archive-pagination',
		'echo'    => false,
	) );

	$nav .= $prev;
	$nav .= $next;
	$nav .= '</div>';

	if ( $prev || $next )
		echo $nav;
}

/** XXX
 * Echo archive pagination in page numbers format.
 *
 * Applies the <code>genesis_prev_link_text</code> and <code>genesis_next_link_text</code> filters.
 *
 * The links, if needed, are ordered as:
 *
 *  * previous page arrow,
 *  * first page,
 *  * up to two pages before current page,
 *  * current page,
 *  * up to two pages after the current page,
 *  * last page,
 *  * next page arrow.
 *
 * @since 0.2.3
 *
 * @global WP_Query $wp_query Query object.
 *
 * @return null Return early if on a single post or page, or only one page present.
 */
function genesis_numeric_posts_nav() {

	if( is_singular() )
		return;

	global $wp_query;

	//* Stop execution if there's only 1 page
	if( $wp_query->max_num_pages <= 1 )
		return;

	$paged = get_query_var( 'paged' ) ? absint( get_query_var( 'paged' ) ) : 1;
	$max   = intval( $wp_query->max_num_pages );

	//* Add current page to the array
	if ( $paged >= 1 )
		$links[] = $paged;

	//* Add the pages around the current page to the array
	if ( $paged >= 3 ) {
		$links[] = $paged - 1;
		//* XXX
	}

	if ( ( $paged + 2 ) <= $max ) {
		//* XXX
		$links[] = $paged + 1;
	}

	genesis_markup( array(
		'html5'   => '<div %s>',
		'xhtml'   => '<div class="navigation">',
		'context' => 'archive-pagination',
	) );

	$before_number = genesis_a11y() ? '<span class="screen-reader-text">' . __( 'Page ', 'genesis' ) .  '</span>' : '';

	echo '<ul>';

	//* Previous Post Link REMOVED XXX

	//* Link to first page, plus ellipses if necessary
	if ( ! in_array( 1, $links ) ) {

		$class = 1 == $paged ? ' class="active"' : '';

		printf( '<li%s><a href="%s">%s</a></li>' . "\n", $class, esc_url( get_pagenum_link( 1 ) ), $before_number . '1' );

		if ( ! in_array( 2, $links ) )
			echo '<li class="pagination-omission">…</li>';

	}

	//* Link to current page, plus 2 pages in either direction if necessary
	sort( $links );
	foreach ( (array) $links as $link ) {
		$class = $paged == $link ? ' class="active"  aria-label="' . __( 'Current page', 'genesis' ) . '"' : '';
		printf( '<li%s><a href="%s">%s</a></li>' . "\n", $class, esc_url( get_pagenum_link( $link ) ), $before_number . $link );
	}

	//* Link to last page, plus ellipses if necessary
	if ( ! in_array( $max, $links ) ) {

		if ( ! in_array( $max - 1, $links ) )
			echo '<li class="pagination-omission">…</li>' . "\n";

		$class = $paged == $max ? ' class="active"' : '';
		printf( '<li%s><a href="%s">%s</a></li>' . "\n", $class, esc_url( get_pagenum_link( $max ) ), $before_number . $max );

	}

	//* Next Post Link REMOVED XXX

	echo '</ul></div>' . "\n";

}

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