Index: includes/database.mysqli.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/database.mysqli.inc,v
retrieving revision 1.4
diff -u -r1.4 database.mysqli.inc
--- includes/database.mysqli.inc	20 Oct 2005 21:30:50 -0000	1.4
+++ includes/database.mysqli.inc	16 Nov 2005 19:23:32 -0000
@@ -22,10 +22,10 @@
  */
 function db_connect($url) {
   // Check if MySQLi support is present in PHP
-  if (!function_exists('mysqli_init')) {
+  if (!function_exists('mysqli_init') && !extension_loaded('mysqli')) {
     drupal_maintenance_theme();
-    drupal_set_title('PHP MySQL support not enabled');
-    print theme('maintenance_page', '<p>We were unable to use the MySQL database because the MySQLi extension for PHP is not installed. Check your <code>PHP.ini</code> to see how you can enable it.</p>
+    drupal_set_title('PHP MySQLi support not enabled');
+    print theme('maintenance_page', '<p>We were unable to use the MySQLi database because the MySQLi extension for PHP is not installed. Check your <code>PHP.ini</code> to see how you can enable it.</p>
 <p>For more help, see the <a href="http://drupal.org/node/258">Installation and upgrading handbook</a>. If you are unsure what these terms mean you should probably contact your hosting provider.</p>');
     exit;
   }
@@ -71,6 +71,17 @@
     exit;
   }
 
+  
+  /** 
+   * from: http://bugs.php.net/bug.php?id=33772
+   * Write and Close handlers are called after destructing objects since PHP
+   * 5.0.5. Thus destructors can use sessions but session handler can't use
+   * objects. In prior versions, they were called in the opposite order. It
+   * is possible to call session_write_close() from the destructor to solve
+   * this chicken and egg problem.
+   */
+  register_shutdown_function('session_write_close');
+  
   return $connection;
 }
 
@@ -324,7 +335,8 @@
  * Prepare user input for use in a database query, preventing SQL injection attacks.
  */
 function db_escape_string($text) {
-  return mysql_real_escape_string($text);
+  global $active_db;
+  return mysqli_real_escape_string($active_db, $text);
 }