<?php
$string = <<<END
Normalization:
This example is called «normalization». It`s used to convert
“curly quotes”, special—hypens and other characters to more ‘ascii’
representations.
Removing diacritical marks:
Ḁṉṍṱḫḝṙ ḟḯḽṫḛṝ ṙḗḿṍṿẻṩ ḑḭḁḉṟịṫỉḉấḹ ṁẫṙḵṧ.
END;
$string = iconv("utf-8", "ucs-2", $string);
$res = transliterate($string, array(
'normalize_punctuation', 'diacritical_remove'));
echo nl2br(iconv('ucs-2', 'utf-8', $res));
?>
Output: