Online PHP editor | refs for ZfFkL

<?php $n = 47; //print the last n digits from mysterycode aka greyCode for($k=pow(2,$n)-$n;$k<pow(2,$n);$k++){ //echo tobin($mC[$k], $n)."\r\n<br>"; echo tobin(floatval(binaryToGray($k)),$n)."\r\n"; } function binaryToGray($num) { return $num ^ ($num >> 1); } function tobin($nr,$n){ $cnt = $n;//pow(2,$n); $converted_nr = base_convert($nr,10,2); if (strlen($converted_nr)<$cnt){ return leadZero($converted_nr,$cnt-strlen($converted_nr)-1); }else{ return $converted_nr; } } function leadZero($a,$nrZeros){ return str_pad($a, $nrZeros, "0", STR_PAD_LEFT); }