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<html><body>// Variable to check$str = "<h1>Hello World!</h1>";// Remove HTML tags from string$newstr = filter_var($str, FILTER_SANITIZE_STRING);echo $newstr;</body><!-- Mirrored from www.w3schools.com/php/phptryit.asp?filename=tryphp_func_sanitize_string by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 18:10:00 GMT --></html>
Hello World!