remove need for lots of len calls - and reduce loop to a single line

1 files changed, 2 insertions, 4 deletions

diff --git a/challenge-102/james-smith/php/ch-2.php b/challenge-102/james-smith/php/ch-2.php
index 015733e992..8353e6c2c4 100644
--- a/challenge-102/james-smith/php/ch-2.php
+++ b/challenge-102/james-smith/php/ch-2.php
@@ -14,9 +14,7 @@ foreach( range(1,20) as $_ ) {
 
 function hash_count_string($n) {
   $s = '';
-  do {
-    if( $n   == strlen($s) ) return $s;
-    if( $n-1 == strlen($s) ) return "#$s";
-  } while( $s = ($n-strlen($s)) ."#$s" );
+  while($n>1) list($s,$n) = ["$n#$s",$n-1-strlen($n)];
+  return ( $n? '#' : '' ).$s;
 }