libraries/database_interface.inc.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Creates the database interface required for database interactions
   5  * and add it to GLOBALS.
   6  *
   7  * @package PhpMyAdmin-DBI
   8  */
   9 use PMA\libraries\dbi\DBIDummy;
  10 use PMA\libraries\di\Container;
  11 use PMA\libraries\DatabaseInterface;
  12 use PMA\libraries\dbi\DBIMysql;
  13 use PMA\libraries\dbi\DBIMysqli;
  14
  15 if (! defined('PHPMYADMIN')) {
  16     exit;
  17 }
  18
  19 if (defined('TESTSUITE')) {
  20     /**
  21      * For testsuite we use dummy driver which can fake some queries.
  22      */
  23     $extension = new DBIDummy();
  24 } else {
  25
  26     /**
  27      * First check for the mysqli extension, as it's the one recommended
  28      * for the MySQL server's version that we support
  29      * (if PHP 7+, it's the only one supported)
  30      */
  31     $extension = 'mysqli';
  32     if (!DatabaseInterface::checkDbExtension($extension)) {
  33
  34         $docurl = PMA\libraries\Util::getDocuLink('faq', 'faqmysql');
  35         $doclink = sprintf(
  36             __('See %sour documentation%s for more information.'),
  37             '[a@' . $docurl  . '@documentation]',
  38             '[/a]'
  39         );
  40
  41         if (PHP_VERSION_ID < 70000) {
  42             $extension = 'mysql';
  43             if (! PMA\libraries\DatabaseInterface::checkDbExtension($extension)) {
  44                 // warn about both extensions missing and exit
  45                 PMA_warnMissingExtension(
  46                     'mysqli',
  47                     true,
  48                     $doclink
  49                 );
  50             } elseif (empty($_SESSION['mysqlwarning'])) {
  51                 trigger_error(
  52                     __(
  53                         'You are using the mysql extension which is deprecated in '
  54                         . 'phpMyAdmin. Please consider installing the mysqli '
  55                         . 'extension.'
  56                     ) . ' ' . $doclink,
  57                     E_USER_WARNING
  58                 );
  59                 // tell the user just once per session
  60                 $_SESSION['mysqlwarning'] = true;
  61             }
  62         } else {
  63             // mysql extension is not part of PHP 7+, so warn and exit
  64             PMA_warnMissingExtension(
  65                 'mysqli',
  66                 true,
  67                 $doclink
  68             );
  69         }
  70     }
  71
  72     /**
  73      * Including The DBI Plugin
  74      */
  75     switch($extension) {
  76     case 'mysql' :
  77         $extension = new DBIMysql();
  78         break;
  79     case 'mysqli' :
  80         include_once 'libraries/dbi/DBIMysqli.lib.php';
  81         $extension = new DBIMysqli();
  82         break;
  83     }
  84 }
  85 $GLOBALS['dbi'] = new DatabaseInterface($extension);
  86
  87 $container = Container::getDefaultContainer();
  88 $container->set('PMA_DatabaseInterface', $GLOBALS['dbi']);
  89 $container->alias('dbi', 'PMA_DatabaseInterface');