Custom post loop with pagination

custom-post-loop-with-pagination.php

<?php
global $paged;
$posts_per_page = 9;
$settings = array(
    'showposts' => $posts_per_page, 
    'post_type' => 'portfolio', 
    'orderby' => 'menu_order', 
    'order' => 'ASC', 
    'paged' => $paged)
);


$total_found_posts = $post_query->found_posts;
$total_page = ceil($total_found_posts / $posts_per_page);

while($post_query->have_posts()) : $post_query->the_post();
// Your single post
endwhile;

if( function_exists('wp_pagenavi') ) {
echo ' '.wp_pagenavi(array('query' => $post_query, 'echo' => false)).' '; 
} else {
echo '<span class="nav-prev">'.previous_posts_link( 'Previous Posts' ).'</span> <span class="nav-next">'.next_posts_link( 'Next Posts' , $total_page ).'</span>';
}

?>