Online PHP editor | refs for X2KvA

<?php $input = ''; $code = ''; for ($i = 0; isset($input[$i]); $i++) { $code .= $code ? '.' : ''; $code .= sprintf('(function($str, $pos) { $length = (function($str) { for ($l = 0; isset($str[$l]); $l++) {} return $l - 1; })($str); return $str[$length - $pos]; })(%s, %u)', var_export($input, true), $i); } $code = sprintf('return %s;', $code); var_dump($code); var_dump(eval($code));