Time for an 2014 update…

Task/Gray-code/PHP/gray-code.php

@@ -1,28 +0,0 @@
-<?php
-
-/**
- * @author Elad Yosifon
- */
-
-/**
- * @param int $binary
- * @return int
- */
-function gray_encode($binary){
-	return $binary ^ ($binary >> 1);
-}
-
-/**
- * @param int $gray
- * @return int
- */
-function gray_decode($gray){
-	$binary = $gray;
-	while($gray >>= 1) $binary ^= $gray;
-	return $binary;
-}
-
-for($i=0;$i<32;$i++){
-	$gray_encoded = gray_encode($i);
-	printf("%2d : %05b => %05b => %05b : %2d \n",$i, $i, $gray_encoded, $gray_encoded, gray_decode($gray_encoded));
-}