====== Escape HTML ======
Basic example :
<code linenums>
function escapeHTML($string)
{
	$char_to_delete = array('<', '>', '*', '$', ';');
	foreach($char_to_delete as $char)
	{
		$string = str_replace( $char, '', $string );
	}
	$string = htmlentities( $string, ENT_HTML5, 'UTF-8');
	return $string;
}
</code>