Mostrar posts populares últimos 7 días con date_query

<?php 	$args = array(	'posts_per_page'=>5,	'meta_key'=>'post_views_count',	'orderby'=>'meta_value_num',	'date_query' => array(        'after'     => '1 week ago',      )	);	$custom_query = new WP_Query($args);	while($custom_query->have_posts()) : $custom_query->the_post(); ?>		<a href="<?php the_permalink();?>"><?php the_title();?></a>     	<?php endwhile; ?>	<?php wp_reset_postdata();?>

$args = array(
's' => ''.$s.'',
'category_name' => ''.$categoria.'',
'tag' => ''.$tag.'',
'orderby' => 'title',
'order'   => 'DESC',
'posts_per_page' => -1,
'date_query' => array(
    array(
        //1ero de Marzo de 2010 (2010-03-01)
        'after'     => ''.$inicio.'',
        'before'    => ''.$final.'',
        'inclusive' => true,

    ),
),
);

$args["date_query"] = array(
		array( 'after' => '7 days ago' )
	);