Проблем при инсталиране на phpbb3

[DaPk0]

Преди инсталация искам да сменя префикса ( phpbb_ ), но не знам как
Може ли да ме светнете?

 

[goshkoy]

    <?php
    // rename all tables in a PHPBB structure
    // Author: espicom aka Jeff Brenton

    define('IN_PHPBB', true);
    $phpbb_root_path = './';
    include($phpbb_root_path . 'config.php');

    if (!isset($_POST['newname']))
    {
       // first run, display form
       echo "<html><head><title>Rename tables</title></head>\n";
       echo "<body>\n";
       echo "<FORM ACTION='$PHP_SELF' method='post'>\n";
       echo "<p>Old prefix is $table_prefix. <br />\n";
       echo "Input new prefix: <input type=\"text\" name=\"newname\" value=\"\" /><br />";
       echo "Confirm prefix: <input type=\"text\" name=\"newconfirm\" value=\"\" /><br />";
       echo "<INPUT TYPE='submit' NAME='changeit' value='Click to change prefix' class='formbutton' WIDTH='70' HEIGHT='17' BORDER='0'>";
       echo "</p></form></body></html>\n";
    }
    else
    {
       // make sure the new prefix is viable
       $newprefix = htmlentities($_POST['newname']);
       $confirmpf = htmlentities($_POST['newconfirm']);
       if ($newprefix != $confirmpf)
       {
          // display mismatch message and redisplay form
          
          echo "<html><head><title>Rename tables</title></head>\n";
          echo "<body>\n";
          echo "<FORM ACTION='$PHP_SELF' method='post'>\n";
          echo "<p><font color='ff0000'>Mis-match on confirm prefix change, please try again!</font><br />\n";
          echo "Old prefix is $table_prefix. <br />\n";
          echo "Input new prefix: <input type=\"text\" name=\"newname\" value=\"$newprefix\" /><br />";
          echo "Confirm prefix: <input type=\"text\" name=\"newconfirm\" value=\"\" /><br />";
          echo "<INPUT TYPE='submit' NAME='changeit' value='Click to change prefix' class='formbutton' WIDTH='70' HEIGHT='17' BORDER='0'>";
          echo "</p></form></body></html>\n";
          die();
       }
       // got valid prefix to change, so go to it!
       // connect to the database server
       $db = mysql_connect($dbhost,$dbuser,$dbpasswd);
       if (!$db) die("Unable to connect to database!\n");

       // select the PHPBB database
       mysql_select_db($dbname,$db);
       
       // get a list of tables for this PHPBB
       $tablequery = "show tables like '".$table_prefix."%'";
       $tablelist = mysql_query($tablequery,$db);
       $prefixlength = strlen($table_prefix);
       
       echo "<html><head><title>Rename tables</title></head>\n";
       echo "<body>\n";
       // cycle through them for repair
       while ($tar = mysql_fetch_array($tablelist))
       {
          $tablename = $tar[0];
          $newtablename = $newprefix . substr($tablename,$prefixlength);
          // output some verbosity for comfort
          echo "Now renaming table <font color='ff0000'>$tablename</font> to <font color='00ff00'>$newtablename</font><br>\n";
          $repres = mysql_query("RENAME table $tablename TO $newtablename");
       }
       echo "<p><font color='ff0000'>You now must edit your config.php file to reflect the new prefix!</font></p>\n";
       echo "</body></html>\n";
    }
    ?>

този код е за след като е инсталиран PHPBB правиш един PHP файл и слагаш кода вътре