- var_dump: documentation ( source)
- iconv_mime_decode: documentation ( source)
<?php
function decodeHeader($header) {
$charset = 'UTF-8';
$decoded = iconv_mime_decode($header, ICONV_MIME_DECODE_CONTINUE_ON_ERROR, $charset);
return $decoded;
}
$header = '=?utf-8?Q?=22=53=61=70=65=2E=72=75=22=20?=';
var_dump(decodeHeader($header));