- var_dump: documentation ( source)
<?php
iconv_set_encoding('internal_encoding', 'UTF-8');
iconv_set_encoding('input_encoding', 'UTF-8');
iconv_set_encoding('output_encoding', 'UTF-8');
$headers = <<< HEADERS
X-Header-One: H4sIAAAAAAAAA+NgFlsCAAA=
X-Header-Two: XtLePq6GTMn8G68F0
HEADERS;
echo "Wrong decoding:\n";
var_dump(iconv_mime_decode_headers($headers, ICONV_MIME_DECODE_CONTINUE_ON_ERROR));
echo "Correct decoding:\n";
var_dump(iconv_mime_decode_headers($headers, ICONV_MIME_DECODE_STRICT));