1. sfMySQLiSessionStorage.class.php
  2. /**
 * Provides support for session storage using a MySQL brand database 
 * using the MySQL improved API.
 *
 * parameters: see sfDatabaseSessionStorage
 *
 * @package    symfony
 * @subpackage storage
 * @author     Fabien Potencier 
 * @author     Sean Kerr 
 * @author     Julien Garand 
 * @version    SVN: $Id: sfMySQLiSessionStorage.class.php 24590 2009-11-30 18:28:13Z FabianLange $
 */
  3. class sfMySQLiSessionStorage extends sfMySQLSessionStorage
  4. {
  5.   /**
  6.    * Execute an SQL Query
  7.    *
  8.    * @param  string $query  The query to execute
  9.    * @return mixed The result of the query
  10.    */
  11.   protected function db_query($query)
  12.   {
  13.     return mysqli_query($this->db, $query);
  14.   }
  16.   /**
  17.    * Escape a string before using it in a query statement
  18.    *
  19.    * @param  string $string  The string to escape
  20.    * @return string The escaped string
  21.    */
  22.   protected function db_escape($string)
  23.   {
  24.     return mysqli_real_escape_string($this->db, $string);
  25.   }
  27.   /**
  28.    * Count the rows in a query result
  29.    *
  30.    * @param  resource $result  Result of a query
  31.    * @return int Number of rows
  32.    */
  33.   protected function db_num_rows($result)
  34.   {
  35.     return $result->num_rows;
  36.   }
  38.   /**
  39.    * Extract a row from a query result set
  40.    *
  41.    * @param  resource $result  Result of a query
  42.    * @return array Extracted row as an indexed array
  43.    */
  44.   protected function db_fetch_row($result)
  45.   {
  46.     return $result->fetch_row();
  47.   }
  49.   /**
  50.    * Returns the text of the error message from previous database operation
  51.    *
  52.    * @return string The error text from the last database function
  53.    */
  54.   protected function db_error()
  55.   {
  56.     return mysqli_error($this->db);
  57.   }
  58. }
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