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<?php
global $post;
$post_backup = $post;
$args = array(
            'posts_per_page' => -1,
            'post_type' => 'post-type-news',
            'orderby' => 'date',
            'order' => 'DSC'
);

// Get the posts
$query = new WP_Query($args);
if($query->have_posts()) : while($query->have_posts()) : $query->the_post(); ?>
    <?php

        $year = mysql2date('Y', $post->post_date);
        $month = mysql2date('F', $post->post_date);
        $day = mysql2date('j', $post->post_date);

        $post_by_months[$year][$month][] = array(  'post_date' => mysql2date('m/j/Y', $post->post_date), 'title' => $post->post_title , 'permalink' => get_permalink($post->ID) );
    ?>
<?php endwhile;?>
    <?php foreach ($post_by_months as $year => $months): ?>
    <h2><?php echo $year; ?></h2>
        <?php foreach ($months as $month => $items): ?>
        <div class="month-wrapper">
            <h3><?php echo $month; ?></h3>
                <?php foreach ($items as $item): ?>
                    <div class="permalink-wrapper"><a href="<?php echo $item['permalink']; ?>"><?php echo $item['post_date'] ?>:&nbsp;&nbsp;<?php echo wp_trim_words($item['title'], 7) ?></a></div>
                <?php endforeach ?>
            </div>
        <?php endforeach ?>
    <?php endforeach ?>
<?php $args = array(
                'base'         => home_url() . '/news/%_%',
                'format'       => 'page/%#%/',
                'total'        => $wp_query->max_num_pages,
                'current'      => max( 1, $wp_query->query_vars['paged'] ),
                'show_all'     => true,
                //'end_size'     => 1,
                //'mid_size'     => 2,
                'prev_next'    => True,
                'prev_text'    => __('&larr; Previous'),
                'next_text'    => __('Next &rarr;'),
                'type'         => 'plain',
                'add_args'     => False,
                'add_fragment' => ''
        ); ?>
    <?php  echo paginate_links( $args ) ;
endif;
$post = $post_backup;
?>