- var_dump: documentation ( source)
<?php
$text = <<<'TEXT'
Български Català Čeština Deutsch 한국어 Հայերեն മലയാളം 中文
TEXT;
$encodings = array(
'UTF-8', 'ASCII', 'ISO-8859-1'
);
foreach ($encodings as $encoding) {
$dom = new DOMDocument('1.0', $encoding);
$dom
->appendChild($dom->createElement('foo'))
->appendChild($dom->createTextNode($text));
var_dump($dom->saveXml());
}