Online PHP editor | output for 3YIrB

<?php function ei_decode($ei) { // Copyright 2013 Deed Poll Office Ltd, UK <https://deedpolloffice.com> // Licensed under Apache Licence v2.0 <http://apache.org/licenses/LICENSE-2.0> $ei = base64_decode(str_replace(array('_', '-'), array('+', '/'), $ei)); if (!preg_match('/^ (.{4}) ((?:[\x80-\xff]*[\0-\x7f])+) $/sx', $ei, $matches)) return false; // Non-valid ei value $ret = array(); $val = 0; foreach (str_split($matches[1]) as $i => $c) $val = PHP_INT_SIZE < 5 && function_exists('bcadd') ? bcadd($val, bcmul(ord($c), bcpow(2, $i * 8))) : $val + (ord($c) << $i * 8); $ret[0] = $val; preg_match_all('/[\x80-\xff]*[\0-\x7f]/', $matches[2], $matches, PREG_SET_ORDER); foreach ($matches as $j => $match) { $val = 0; foreach (str_split($match[0]) as $i => $c) $val = PHP_INT_SIZE < 8 && function_exists('bcadd') ? bcadd($val, bcmul(ord($c) & 0x7f, bcpow(2, $i * 7))) : $val + ((ord($c) & 0x7f) << $i * 7); $ret[$j + 1] = $val; } return $ret; }