* Optimize memory usage in preg mode

git-svn-id: http://svn.php.net/repository/pear/packages/File_SearchReplace/trunk@181884 c90b9560-bf6c-de11-be94-00142212c4b1

SearchReplace.php

@@ -368,7 +368,7 @@ function pregSearch($filename)
         clearstatcache();
 
         $file       = fread($fp = fopen($filename, 'r'), filesize($filename)); fclose($fp);
-        $occurences = count($matches = preg_split($this->find, $file)) - 1;
+        $occurences = preg_match_all($this->find, $file, $matches);
         $file       = preg_replace($this->find, $this->replace, $file);
 
         if ($occurences > 0) $return = array($occurences, $file); else $return = FALSE;