Echo php var before the </head> (closing head) tag in order to retrieve it with java script

Question

I have a php variable called $myVar = "6542";

Where can I echo it before the </head> tag of my site (and not trigger any html issues) in order to be able to pick the value up with javascript?

Ty

Answer 1

Throw it above your tag somewhere. Simple.

<script type="text/javascript>var myvar = '<?=htmlspecialchars($myVar);?>';</script>

It can be put anywhere on the page, not necessarily needing to be above

Answer 2

Just about anywhere (the HEAD contents is the best place), provided that you wrap it up with a <script> tag:

<script>
  var myVar = "6542";
</script>