_resolve_template_for_new_post() WordPress Function

function _resolve_template_for_new_post( $wp_query ) {
	remove_filter( 'pre_get_posts', '_resolve_template_for_new_post' );

	// Pages.
	$page_id = isset( $wp_query->query['page_id'] ) ? $wp_query->query['page_id'] : null;

	// Posts, including custom post types.
	$p = isset( $wp_query->query['p'] ) ? $wp_query->query['p'] : null;

	$post_id = $page_id ? $page_id : $p;
	$post    = get_post( $post_id );

	if (
		$post &&
		'auto-draft' === $post->post_status &&
		current_user_can( 'edit_post', $post->ID )
	) {
		$wp_query->set( 'post_status', 'auto-draft' );
	}
}
Uses	Description
wp-includes/capabilities.php:current_user_can()	Returns whether the current user has the specified capability.
wp-includes/class-wp-query.php:WP_Query::set()	Sets the value of a query variable.
wp-includes/plugin.php:remove_filter()	Removes a callback function from a filter hook.
wp-includes/post.php:get_post()	Retrieves post data given a post ID or post object.