root/wp-dbmanager/trunk/database-uninstall.php

<?php
/*
+----------------------------------------------------------------+
|                                                                                            |
|    WordPress 2.5 Plugin: WP-DBManager 2.31                                |
|    Copyright (c) 2008 Lester "GaMerZ" Chan                                    |
|                                                                                            |
|    File Written By:                                                                    |
|    - Lester "GaMerZ" Chan                                                            |
|    - http://lesterchan.net                                                            |
|                                                                                            |
|    File Information:                                                                    |
|    - Uninstall WP-DBManager                                                        |
|    - wp-content/plugins/wp-dbmanager/dbmanager-uninstall.php        |
|                                                                                            |
+----------------------------------------------------------------+
*/


### Check Whether User Can Manage Database
if(!current_user_can('manage_database')) {
    die('Access Denied');
}


### Variables Variables Variables
$base_name = plugin_basename('wp-dbmanager/database-manager.php');
$base_page = 'admin.php?page='.$base_name;
$mode = trim($_GET['mode']);
$db_settings = array('dbmanager_options');
$backup_options = get_option('dbmanager_options');
$backup_options_path = $backup_options['path'];

### Form Processing 
if(!empty($_POST['do'])) {
    // Decide What To Do
    switch($_POST['do']) {
        //  Uninstall WP-DBManager
        case __('UNINSTALL WP-DBManager', 'wp-dbmanager') :
            if(trim($_POST['uninstall_db_yes']) == 'yes') {
                echo '<div id="message" class="updated fade">';
                echo '<p>';
                foreach($db_settings as $setting) {
                    $delete_setting = delete_option($setting);
                    if($delete_setting) {
                        echo '<font color="green">';
                        printf(__('Setting Key \'%s\' has been deleted.', 'wp-dbmanager'), "<strong><em>{$setting}</em></strong>");
                        echo '</font><br />';
                    } else {
                        echo '<font color="red">';
                        printf(__('Error deleting Setting Key \'%s\'.', 'wp-dbmanager'), "<strong><em>{$setting}</em></strong>");
                        echo '</font><br />';
                    }
                }
                echo '</p>';
                echo '<p style="color: blue;">';
                _e('The database backup files generated by WP-DBManager <strong>WILL NOT</strong> be deleted. You will have to delete it manually.', 'wp-dbmanager');
                echo '<br />';
                printf(__('The path to the backup folder is <strong>\'%s\'</strong>.', 'wp-dbmanager'), $backup_options_path);
                echo '</p>';
                echo '</div>'; 
                $mode = 'end-UNINSTALL';
            }
            break;
    }
}


### Determines Which Mode It Is
switch($mode) {
        //  Deactivating WP-DBManager
        case 'end-UNINSTALL':
            $deactivate_url = 'plugins.php?action=deactivate&amp;plugin=wp-dbmanager/wp-dbmanager.php';
            if(function_exists('wp_nonce_url')) { 
                $deactivate_url = wp_nonce_url($deactivate_url, 'deactivate-plugin_wp-dbmanager/wp-dbmanager.php');
            }
            echo '<div class="wrap">';
            echo '<h2>'.__('Uninstall WP-DBManager', 'wp-dbmanager').'</h2>';
            echo '<p><strong>'.sprintf(__('<a href="%s">Click Here</a> To Finish The Uninstallation And WP-DBManager Will Be Deactivated Automatically.', 'wp-dbmanager'), $deactivate_url).'</strong></p>';
            echo '</div>';
            break;
    // Main Page
    default:
?>
<!-- Uninstall WP-DBManager -->
<form action="<?php echo htmlspecialchars($_SERVER['REQUEST_URI']); ?>" method="post">
    <div class="wrap">
        <h2><?php _e('Uninstall WP-DBManager', 'wp-dbmanager'); ?></h2>
        <p style="text-align: left;">
            <?php _e('Deactivating WP-DBManager plugin does not remove any data that may have been created, such as the database options. To completely remove this plugin, you can uninstall it here.', 'wp-dbmanager'); ?>
        </p>
        <p style="text-align: left; color: red">
            <strong><?php _e('WARNING:', 'wp-dbmanager'); ?></strong><br />
            <?php _e('Once uninstalled, this cannot be undone. You should use a Database Backup plugin of WordPress to back up all the data first.', 'wp-dbmanager'); ?>
        </p>
        <p style="text-align: left; color: red">
            <strong><?php _e('NOTE:', 'wp-dbmanager'); ?></strong><br />
            <?php _e('The database backup files generated by WP-DBManager <strong>WILL NOT</strong> be deleted. You will have to delete it manually.', 'wp-dbmanager'); ?><br />
            <?php printf(__('The path to the backup folder is <strong>\'%s\'</strong>.', 'wp-dbmanager'), $backup_options_path); ?>
        </p>
        <p style="text-align: left; color: red">
            <strong><?php _e('The following WordPress Options will be DELETED:', 'wp-dbmanager'); ?></strong><br />
        </p>
        <table class="widefat">
            <thead>
                <tr>
                    <th><?php _e('WordPress Options', 'wp-dbmanager'); ?></th>
                </tr>
            </thead>
            <tr>
                <td valign="top">
                    <ol>
                    <?php
                        foreach($db_settings as $settings) {
                            echo '<li>'.$settings.'</li>'."\n";
                        }
                    ?>
                    </ol>
                </td>
            </tr>
        </table>
        <p>&nbsp;</p>
        <p style="text-align: center;">
            <input type="checkbox" name="uninstall_db_yes" value="yes" />&nbsp;<?php _e('Yes', 'wp-dbmanager'); ?><br /><br />
            <input type="submit" name="do" value="<?php _e('UNINSTALL WP-DBManager', 'wp-dbmanager'); ?>" class="button" onclick="return confirm('<?php _e('You Are About To Uninstall WP-DBManager From WordPress.\nThis Action Is Not Reversible.\n\n Choose [Cancel] To Stop, [OK] To Uninstall.', 'wp-dbmanager'); ?>')" />
        </p>
    </div>
</form>
<?php
} // End switch($mode)
?>