WP記事一覧でのページネーション

WordPressの記事一覧テンプレート内における，ページネーションの実装例

プラグインを使わずに，functions.php内に記述するだけで出力できる．

「前の10件，次の10件」

function pagination( $pages = '', $range = 4 ) {
    global $paged;
    if ( empty($paged) ) $paged = 1;

    if ( $pages == '' ) {
        global $wp_query;
        $pages = $wp_query->max_num_pages;
        if ( !$pages ) $pages = 1;
    }

    echo "<div class=\"pagination\">";
        if ( $paged > 1 ) 
            echo "<a href=\"".get_pagenum_link($paged - 1)."\" class='paginate_button left'>&lsaquo; 前の10件</a>";
        else 
            echo "<span class='paginate_button left'>&lsaquo; 前の10件</span>";
        if ( $paged < $pages ) 
            echo "<a href=\"".get_pagenum_link($paged + 1)."\" class='paginate_button right'>次の10件 &rsaquo;</a>";
        else 
            echo "<span class='paginate_button right'>次の10件 &rsaquo;</span>";
    echo "</div>\n";
    return;
}

「< 1 .. 3 4 5 6 7 .. 9 >」

function pagination( $max_num_pages=0 ) {
    // Don't print empty markup if there's only one page.
    $max_num_pages = $max_num_pages ? (int)$max_num_pages : $GLOBALS['wp_query']->max_num_pages;
    if ( $max_num_pages < 2 ) {
        return;
    }

    $paged        = get_query_var( 'paged' ) ? intval( get_query_var( 'paged' ) ) : 1;
    $pagenum_link = html_entity_decode( get_pagenum_link() );
    $query_args   = array();
    $url_parts    = explode( '?', $pagenum_link );

    if ( isset( $url_parts[1] ) ) {
        wp_parse_str( $url_parts[1], $query_args );
    }

    $pagenum_link = remove_query_arg( array_keys( $query_args ), $pagenum_link );
    $pagenum_link = trailingslashit( $pagenum_link ) . '%_%';

    $format  = $GLOBALS['wp_rewrite']->using_index_permalinks() && ! strpos( $pagenum_link, 'index.php' ) ? 'index.php/' : '';
    $format .= $GLOBALS['wp_rewrite']->using_permalinks() ? user_trailingslashit( 'page/%#%', 'paged' ) : '?paged=%#%';

    // Set up paginated links.
    $links = paginate_links( array(
        'base'     => $pagenum_link,
        'format'   => $format,
        'total'    => $max_num_pages,
        'current'  => $paged,
        'mid_size' => 2,
        'add_args' => array_map( 'urlencode', $query_args ),
        'prev_text' => __( '&lt;' ),
        'next_text' => __( '&gt;' ),
    ) );

    if ( $links ) :

    ?>
    <nav class="navigation paging-navigation" role="navigation">
        <div class="pagination loop-pagination">
            <?php echo $links; ?>
        </div><!-- .pagination -->
    </nav><!-- .navigation -->
    <?php
    endif;
}