PHP Script – FILTER_SANITIZE_STRING Filter to Sanitize User Input String and Strip HTML Tags

index.php

<?php

$str= "<h2>Welcome to example</h2>
<p>dffdgdfgfd</p><span>sfdsfsdf</span>"; 
$str_new= filter_var($str, FILTER_SANITIZE_STRING); 
echo $str_new; 

?>