original_string: public function getKey($keyname) {
          $i = $this->findKeyInArray($keyname);
          if ($i !== null) {
              return $this->keys[$i];
          }
          return null;
      }
code: public function getKey($keyname) {
          $i = $this->findKeyInArray($keyname);
          if ($i !== null) {
              return $this->keys[$i];
          }
          return null;
      }
code_tokens: public function getKey ( $ keyname ) { $ i = $ this -> findKeyInArray ( $ keyname ) ; if ( $ i !== null ) { return $ this -> keys [ $ i ] ; } return null ; }
docstring: Returns one xmldb_key
  @param string $keyname
  @return xmldb_key|null
docstring_tokens: Returns one xmldb_key