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With PHP it's possible to check if a cookie exists. Is there a similar way to check if a HTML5 sessionStorage (webstorage) item exists?
350
asked Apr 29 '13 05:04
If you mean by sessionStorage the HTML5 web storage (as I understand from the tags in your question), then no. It is not possible to access this data from PHP. It can only be accessed with JavaScript and passed through to PHP with AJAX.
117
No. PHP is server side language and storage or cache are browser dependent, so it is not possible check storage or cache directly from server.
44
answered Sep 27 '22 18:09
This worked.
HTML side:
<body onLoad="submitform()">
<form name="myform" method="post" action="example.php">
<input type="text" name = "var" id="var">
</form>
<script type="text/javascript">
function submitform()
{
document.getElementById("var").value = sessionStorage.getItem('var');
document.myform.submit();
}
</script>
PHP side:
echo $_REQUEST['var'];
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