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<?php

// change this to strip old slugs if needed:
//update wp_posts set post_name = '' where guid like '%.asp'
set_time_limit(20000);

/** Loads the WordPress Environment and Template, allowing wp functions like the_title() */
define('WP_USE_THEMES', false);
require('./wp-blog-header.php');

function bleach($which)
{
    $result = sanitize_title(get_the_title($which));
    return $result;
}

$dbhost = 'localhost';
$dbuser = 'username';
$dbpass = 'password';
$dbname = 'wordpress';

$sql = 'SELECT ID, post_title' . ' FROM `wp_posts`' . ' WHERE post_status = "publish"' . " and post_name = '' " . ' order by ID asc';

$db = mysql_connect($dbhost, $dbuser, $dbpass) or die('Could not connect: ' . mysql_error());
mysql_select_db($dbname);

$result = mysql_query($sql) or die('Query failed: ' . mysql_error());
while ($row = mysql_fetch_array($result, MYSQL_ASSOC)) {
    $id         = $row['ID'];
    $title      = $row['post_title'];
    $clean_slug = rawurlencode(bleach($id));

    echo "ID:{$row['ID']} " . "post_title : {$title} " . "sanitized : {$clean_slug}
";
    $sql_u = "UPDATE `wp_posts` SET post_name = '" . $clean_slug . "' " . 'WHERE ID = ' . $id;
    echo 'QUERY:' . $sql_u . '
';
    mysql_query($sql_u) or die('ERROR: ' . mysql_error());
    flush();
}
echo "";
mysql_close($db);