Thread: Miscellaneous Hacks - [DBTech] Username Change v1 (vB4)
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Old 03-19-2010, 03:04 PM
sung sung is offline
 
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Here's the script I made/used to go from Marco's name change mod to this one.

PHP Code:
<?php

// Change this stuff

$dbhost 'host';
$dbuser 'user';
$dbpass 'pass';
$dbname 'table';

// END OF STUFF TO CHANGE

$mysqli = new mysqli($dbhost$dbuser$dbpass$dbname);

if(
$mysqli->connect_error) {
   die(
"Connect Error: " $mysqli->connect_error);
}

// Get current usernames for users that have changes
$result $mysqli->query("SELECT distinct mh_unm_history.userid, user.username FROM mh_unm_history, user WHERE user.userid = mh_unm_history.userid");
while (
$row $result->fetch_row()) {
   
$usernames[$row[0]] = mysql_real_escape_string($row[1]);
}
$result->free_result();

// Get the username changes
$result $mysqli->query("SELECT * from mh_unm_history ORDER BY userid ASC, dateline DESC");
while (
$row $result->fetch_row()) {
   
$userid $row[0];
   
$dateline $row[1];
   
$oldname mysql_real_escape_string($row[2]);
   
$adminid $row[3];
   
$uniq md5($dateline $userid $userid rand(1111,9999));

   
// Build the array of queries we'll execute later
   
$q[] = "INSERT INTO userchangelog VALUES('', $userid, 'username', '$usernames[$userid]', '$oldname', $adminid$dateline, '$uniq')";

   
// Set the username as the old one in the
   // event there are multiple name changes
   
$usernames[$userid] = $oldname;
}

foreach (
$q as $query) {
   if (!
$mysqli->real_query($query))
      echo 
"FAILED: " $query "<br>\n"
}

$result->close();
$mysqli->close();
?>

Things I know will cause issues: if you don't have the mysqli (notice the i) extension or use a prefix on your forum tables.

You're on your own to backup/test/verify/etc the above code will work for you!
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