original_string: public function read($session_id)
      {
          //string casting is a fix for PHP 7
          //when strict type are enable
          return (string) $this->pdo->queryWithParam(
              'SELECT session_data FROM session WHERE session_id = :session_id',
              [[':session_id', $session_id, \PDO::PARAM_STR]]
          )->fetchColumn();
      }
code: public function read($session_id)
      {
          //string casting is a fix for PHP 7
          //when strict type are enable
          return (string) $this->pdo->queryWithParam(
              'SELECT session_data FROM session WHERE session_id = :session_id',
              [[':session_id', $session_id, \PDO::PARAM_STR]]
          )->fetchColumn();
      }
code_tokens: public function read ( $ session_id ) { //string casting is a fix for PHP 7 //when strict type are enable return ( string ) $ this -> pdo -> queryWithParam ( 'SELECT session_data FROM session WHERE session_id = :session_id' , [ [ ':session_id' , $ session_id , \ PDO :: PARAM_STR ] ] ) -> fetchColumn ( ) ; }
docstring: Read session data from storage.
  
  http://php.net/manual/en/sessionhandler.read.php.
  
  @param string $session_id
  
  @return string
docstring_tokens: Read session data from storage .