- utf8_encode: documentation ( source)
<?php
$str = 'VGhpcyBzaXRlIGhhcyBub3Qgb2J0YWluZWQgYSBsaWNlbnNlIGZyb20gPGEgaHJlZj0iaHR0cDovL2NpdHJhLndlYi5pZCI+Q2l0cmF3ZWI8L2E+';
$text = 'This site has not obtained a license from <a href="http://citra.web.id">Citraweb</a>';
echo utf8_encode($str);