<?php $input = "I <3 your website, it's awesome! Great job, fast, safe and secure! :D"; if (mb_strlen($input) <1) { throw new Exception('Bad input. Try again'); } $output = $input; $output = htmlspecialchars($output, ENT_QUOTES | ENT_HTML5 | ENT_DISALLOWED | ENT_SUBSTITUTE, 'UTF-8'); echo $output;
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