function xclusive(){
        $xclsv = array('post_type' => 'attachment','post_mime_type' =>array('jpg|jpeg|jpe' => 'image/jpeg', 'gif' => 'image/gif', 'png' => 'image/png',), 'post_status' => 'inherit', 'posts_per_page' => -1,);
        $xclsv2 = new WP_Query( $xclsv );
        echo $xclsv2->post_count;
}

<?php xclusive(); ?>