Pass a PHP string to a JavaScript variable (and escape newlines) [duplicate]

Answer 1

<script>
var myVar = <?php echo json_encode($myVarValue); ?>;
</script>

or

<script>
var myVar = <?= json_encode($myVarValue) ?>;
</script>

Answer 2

You could try

<script type="text/javascript">
    myvar = unescape('<?=rawurlencode($myvar)?>');
</script>