<?php

  //Get user's ActiveCampaign email
  $acEmail = $_GET['email'];

?>

<script type="text/javascript">
/* Export user's ActiveCampaign email to JS variable*/
var acEmail = "<?php echo $acEmail ?>";

//Store user's ActiveCampaign email in cookie
var emailCookie = document.cookie;

if(acEmail) {
  document.cookie = "acEmail=" + acEmail + "; expires=Fri, 31 Dec 2020
  23:59:59 EST; path=/";
}

</script>