Case Studies - Users

case-studies-users.php

<?php
function sj_rewrite_case_studies_users() {
	hm_add_rewrite_rule(
		array(
			'regex'     => '^case-studies/([^/]+)/?',
			'query'     => 'author_name=$matches[1]',
			'template'  => 'templates/your-template.php',
			'title_callback' => function( $title, $seperator ) {
				return get_query_var( 'author_name' ) . ' case studies ' . $seperator . ' ' . $title;
			}
			'request_callback' => function( WP $wp ) {
				if ( ! username_exists( get_query_var( 'author_name' ) ) )
					wp_redirect( get_bloginfo( 'url' ) );
					exit;
				}
				$wp->query_vars['post_type'] = 'case_study';
				$wp->query_vars['author_name'] = get_query_var( 'author_name' );
			},
		)
	);
}
add_action( 'init', 'sj_rewrite_case_studies_users' );