Custom Pagination

functions.php

<?php
/**
 * Using $paged redirects /page/2 to page 1
 */
add_filter('redirect_canonical','pif_disable_redirect_canonical');

function pif_disable_redirect_canonical($redirect_url) {
    if (is_singular()) $redirect_url = false;
return $redirect_url;
}

template-tags.php

<?php
if ( ! function_exists( 'thirdrock_paging_nav' ) ) :
/**
 * Display navigation to next/previous set of posts when applicable.
 *
 * @return void
 */
function thirdrock_paging_nav() {
	// Don't print empty markup if there's only one page.
	if ( $GLOBALS['wp_query']->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'    => $GLOBALS['wp_query']->max_num_pages,
		'current'  => $paged,
		'mid_size' => 2,
		'add_args' => array_map( 'urlencode', $query_args ),
		'prev_text' => '<i class="fa fa-backward"></i>',
		'next_text' => '<i class="fa fa-forward"></i>',
        'type'      => 'list',
	) );
	if ( $links ) :
	?>
	<nav class="navigation paging-navigation" role="navigation">
		<h1 class="screen-reader-text"><?php esc_html_e( 'Posts navigation', 'thirdrock' ); ?></h1>
			<?php echo $links; ?>
	</nav><!-- .navigation -->
	<?php
	endif;
}
endif;


if ( ! function_exists( 'thirdrock_paging_nav_rel' ) ) :
/**
 * Display navigation to next/previous set of posts when applicable.
 *
 * @return void
 */
function thirdrock_paging_nav_rel($partnersLoop) {

    // Don't print empty markup if there's only one page.
    if ( $partnersLoop->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'    => $partnersLoop->max_num_pages,
        'current'  => $paged,
        'mid_size' => 2,
        'add_args' => array_map( 'urlencode', $query_args ),
        'prev_text' => '<i class="fa fa-chevron-left"></i>',
        'next_text' => '<i class="fa fa-chevron-right"></i>',
        'type'      => 'list',
    ) );

    if ( $links ) :

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

if ( ! function_exists( 'thirdrock_post_nav' ) ) :
/**
 * Display navigation to next/previous post when applicable.
 *
 * @return void
 */
function thirdrock_post_nav() {
	// Don't print empty markup if there's nowhere to navigate.
	$previous = ( is_attachment() ) ? get_post( get_post()->post_parent ) : get_adjacent_post( false, '', true );
	$next     = get_adjacent_post( false, '', false );
	if ( ! $next && ! $previous ) {
		return;
	}
	?>
	
    <nav class="navigation post-navigation" role="navigation">
        <div class="post-nav-box clear">
            <h1 class="screen-reader-text"><?php esc_html_e( 'Post navigation', 'thirdrock' ); ?></h1>
            <div class="nav-links">
                <?php
                previous_post_link( '<div class="nav-previous"><div class="nav-indicator">' . esc_html_x( 'Previous Post:', 'Previous post', 'thirdrock' ) . '</div>%link</div>', '%title' );
                next_post_link(     '<div class="nav-next"><div class="nav-indicator">' . esc_html_x( 'Next Post:', 'Next post', 'thirdrock' ) . '</div>%link</div>', '%title' );
                ?>
            </div><!-- .nav-links -->
        </div><!-- .post-nav-box -->
    </nav><!-- .navigation -->
                    
	<?php
}
endif;