wrong order

sortuniq

@@ -7,7 +7,7 @@ while($z=fgets($in))
 
 if($argc>1 and ($argv[1]=='c' or $argv[1]=='-c'))
 {
-        array_walk($d, function(&$a, $b) {$a = "$b $a";});
+        array_walk($d, function(&$a, $b) {$a = "$a $b";});
         echo implode('', $d);
 }
 else