pagination

gistfile1.phtml

<?php
$posts_per_page = 3; // how many posts per term
$taxonomy = 'category'; // taxonomy
$post_type = 'post'; // post type
$include_terms = array( 1, 25, 58 ); // the terms A B C ids
 
$post_count = $i =  0;
$custom_terms = get_terms( $taxonomy, array( 'parent' => 0, 'include' => $include_terms ) );
 
if ( $custom_terms ) :
        foreach ( $custom_terms as $term ) {
                $post_type_count = (int) get_term_post_type_count( $term->term_id, $taxonomy, $post_type );
                if ( $post_type_count > $post_count )
                        $post_count = $post_type_count;
 
                $custom_terms[$i]->count_post_type = $post_type_count;
                ++$i;
        }
 
if ( $post_count > 2 ) {
        global $wp_query;
        $wp_query->max_num_pages = ceil( $post_count / $posts_per_page );
}
 
$paged = ( get_query_var( 'paged' ) ) ? get_query_var( 'paged' ) : 1;
 
foreach ( $custom_terms as $custom_term ) :
 
        $args = array(
                'post_type'      => $post_type,
                'posts_per_page' => $posts_per_page,
                'paged' => $paged,
                'order' => 'DESC',
                'tax_query'      => array(
                        array(
                                'taxonomy' => $taxonomy,
                                'field'    => 'slug',
                                'terms'    => $custom_term->slug,
                                'include_children' => 0
                        ),
                )
        );
 
if ( is_paged() ) {
        $args['offset'] = ( $paged-1 ) * $posts_per_page;
}
 
$loop = new WP_Query( $args );
 
$prev = get_next_posts_link( 'Older posts' );
$next = get_previous_posts_link( 'Newer posts' );
 
if ( $loop->have_posts() ) :
        // category name
        echo '<h2>'.$custom_term->name.'</h2>';
?>
 
<!-- start of loop -->
<?php while ( $loop->have_posts() ) : $loop->the_post(); ?>
 
  <!-- put your loop code here -->
  <p><?php the_title(); ?></p>
 
<?php endwhile; ?>
<!-- end of loop -->
 
<?php
if ( $prev || $next ) {
        if ( $prev )
                echo '<div class="nav-previous alignleft">' . $prev . '</div>';
        if ( $prev )
                echo '<div class="nav-next alignleft">' . $next . '</div>';
 
}
?>
<!-- end of loop -->
<?php wp_reset_postdata(); ?>
<?php endif; ?>
<?php endforeach; ?>
<?php endif; ?>