Online PHP editor | refs for A1GlL

<?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=iso-8859-1'); $strs = 'F\u00f6retag: Betalning'; /*echo utils::replace_unicode_escape_sequence($str);*/ function unicode_escape_sequences($str){return preg_replace('/\\\u([0-9a-z]{4})/', '&#x$1;', $str);} echo unicode_escape_sequences($strs);