header("Location: $location", true, $status);

"Cannot modify header information - headers already sent by (output started at   /home/content/c/l/a/clareb23/html/client4/wp-content/plugins/featured-articles-lite/main.php:773) in /home/content/c/l/a/clareb23/html/client4/wp-includes/pluggable.php on line 870"

<script>
  window.location = '<?php echo $location?>?myvar=true&status=<?php echo $status?>';
</script>