PHPXRef 0.7 : Wordpress 2.9.1 : /wp-admin/upgrade.php source

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   1  <?php
   2  /**
   3   * Upgrade WordPress Page.
   4   *
   5   * @package WordPress
   6   * @subpackage Administration
   7   */
   8  
   9  /**
  10   * We are upgrading WordPress.
  11   *
  12   * @since unknown
  13   * @var bool
  14   */
  15  define( 'WP_INSTALLING', true );
  16  
  17  /** Load WordPress Bootstrap */
  18  require ( '../wp-load.php' );
  19  
  20  timer_start();
  21  require_once ( ABSPATH . 'wp-admin/includes/upgrade.php' );
  22  
  23  delete_transient('update_core');
  24  
  25  if ( isset( $_GET['step'] ) )
  26      $step = $_GET['step'];
  27  else
  28      $step = 0;
  29  
  30  // Do it.  No output.
  31  if ( 'upgrade_db' === $step ) {
  32      wp_upgrade();
  33      die( '0' );
  34  }
  35  
  36  $step = (int) $step;
  37  
  38  $php_version    = phpversion();
  39  $mysql_version  = $wpdb->db_version();
  40  $php_compat     = version_compare( $php_version, $required_php_version, '>=' );
  41  $mysql_compat   = version_compare( $mysql_version, $required_mysql_version, '>=' ) || file_exists( WP_CONTENT_DIR . '/db.php' );
  42  
  43  @header( 'Content-Type: ' . get_option( 'html_type' ) . '; charset=' . get_option( 'blog_charset' ) );
  44  ?>
  45  <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  46  <html xmlns="http://www.w3.org/1999/xhtml" <?php language_attributes(); ?>>
  47  <head>
  48      <meta http-equiv="Content-Type" content="<?php bloginfo( 'html_type' ); ?>; charset=<?php echo get_option( 'blog_charset' ); ?>" />
  49      <title><?php _e( 'WordPress &rsaquo; Upgrade' ); ?></title>
  50      <?php wp_admin_css( 'install', true ); ?>
  51  </head>
  52  <body>
  53  <h1 id="logo"><img alt="WordPress" src="images/wordpress-logo.png" /></h1>
  54  
  55  <?php if ( get_option( 'db_version' ) == $wp_db_version || !is_blog_installed() ) : ?>
  56  
  57  <h2><?php _e( 'No Upgrade Required' ); ?></h2>
  58  <p><?php _e( 'Your WordPress database is already up-to-date!' ); ?></p>
  59  <p class="step"><a class="button" href="<?php echo get_option( 'home' ); ?>/"><?php _e( 'Continue' ); ?></a></p>
  60  
  61  <?php elseif ( !$php_compat || !$mysql_compat ) :
  62      if ( !$mysql_compat && !$php_compat )
  63          printf( __('You cannot upgrade because WordPress %1$s requires PHP version %2$s or higher and MySQL version %3$s or higher. You are running PHP version %4$s and MySQL version %5$s.'), $wp_version, $required_php_version, $required_mysql_version, $php_version, $mysql_version );
  64      elseif ( !$php_compat )
  65          printf( __('You cannot upgrade because WordPress %1$s requires PHP version %2$s or higher. You are running version %3$s.'), $wp_version, $required_php_version, $php_version );
  66      elseif ( !$mysql_compat )
  67          printf( __('You cannot upgrade because WordPress %1$s requires MySQL version %2$s or higher. You are running version %3$s.'), $wp_version, $required_mysql_version, $mysql_version );
  68  ?>
  69  <?php else :
  70  switch ( $step ) :
  71      case 0:
  72          $goback = stripslashes( wp_get_referer() );
  73          $goback = esc_url_raw( $goback );
  74          $goback = urlencode( $goback );
  75  ?>
  76  <h2><?php _e( 'Database Upgrade Required' ); ?></h2>
  77  <p><?php _e( 'WordPress has been updated! Before we send you on your way, we have to upgrade your database to the newest version.' ); ?></p>
  78  <p><?php _e( 'The upgrade process may take a little while, so please be patient.' ); ?></p>
  79  <p class="step"><a class="button" href="upgrade.php?step=1&amp;backto=<?php echo $goback; ?>"><?php _e( 'Upgrade WordPress Database' ); ?></a></p>
  80  <?php
  81          break;
  82      case 1:
  83          wp_upgrade();
  84  
  85              $backto = empty($_GET['backto']) ? '' : $_GET['backto'] ;
  86              $backto = stripslashes( urldecode( $backto ) );
  87              $backto = esc_url_raw( $backto  );
  88              $backto = wp_validate_redirect($backto, __get_option( 'home' ) . '/');
  89  ?>
  90  <h2><?php _e( 'Upgrade Complete' ); ?></h2>
  91      <p><?php _e( 'Your WordPress database has been successfully upgraded!' ); ?></p>
  92      <p class="step"><a class="button" href="<?php echo $backto; ?>"><?php _e( 'Continue' ); ?></a></p>
  93  
  94  <!--
  95  <pre>
  96  <?php printf( __( '%s queries' ), $wpdb->num_queries ); ?>
  97  
  98  <?php printf( __( '%s seconds' ), timer_stop( 0 ) ); ?>
  99  </pre>
 100  -->
 101  
 102  <?php
 103          break;
 104  endswitch;
 105  endif;
 106  ?>
 107  </body>
 108  </html>
PHP Cross Reference of Wordpress 2.9.1

/wp-admin/ -> upgrade.php (source)
