- mb_convert_encoding: documentation ( source)
- utf8_decode: documentation ( source)
- preg_replace_callback: documentation ( source)
- pack: documentation ( source)
- header: documentation ( source)
<?php
class utils {
public static function replace_unicode_escape_sequence($str) {
return preg_replace_callback('/\\\\u([0-9a-f]{4})/i', function ($match) {
return mb_convert_encoding(pack('H*', $match[1]), 'ISO-8859-1', 'UCS-2BE');
}, $str);
}
}
header('Content-Type: text/plain; charset=latin1');
$str = '{"name":"F\u00f6retag: Betalning"}';
echo utils::replace_unicode_escape_sequence(utf8_decode($str));