root/wp-dbmanager/trunk/database-empty.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:                                                                    |
|    - Database Empty                                                                |
|    - wp-content/plugins/wp-dbmanager/database-empty.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;
$backup = array();
$backup_options = get_option('dbmanager_options');
$backup['date'] = current_time('timestamp');
$backup['mysqldumppath'] = $backup_options['mysqldumppath'];
$backup['mysqlpath'] = $backup_options['mysqlpath'];
$backup['path'] = $backup_options['path'];


### Form Processing 
if($_POST['do']) {
    // Lets Prepare The Variables
    $emptydrop = $_POST['emptydrop'];

    // Decide What To Do
    switch($_POST['do']) {
        case __('Empty/Drop', 'wp-dbmanager'):
            $empty_tables = array();
            if(!empty($emptydrop)) {
                foreach($emptydrop as $key => $value) {
                    if($value == 'empty') {
                        $empty_tables[] = $key;
                    } elseif($value == 'drop') {
                        $drop_tables .=  ', '.$key;
                    }
                }
            } else {
                $text = '<font color="red">'.__('No Tables Selected.', 'wp-dbmanager').'</font>';
            }
            $drop_tables = substr($drop_tables, 2);
            if(!empty($empty_tables)) {
                foreach($empty_tables as $empty_table) {
                    $empty_query = $wpdb->query("TRUNCATE $empty_table");
                    $text .= '<font color="green">'.sprintf(__('Table \'%s\' Emptied', 'wp-dbmanager'), $empty_table).'</font><br />';
                }
            }
            if(!empty($drop_tables)) {
                $drop_query = $wpdb->query("DROP TABLE $drop_tables");
                $text = '<font color="green">'.sprintf(__('Table(s) \'%s\' Dropped', 'wp-dbmanager'), $drop_tables).'</font>';
            }
            break;
    }
}


### Show Tables
$tables = $wpdb->get_col("SHOW TABLES");
?>
<?php if(!empty($text)) { echo '<!-- Last Action --><div id="message" class="updated fade"><p>'.$text.'</p></div>'; } ?>
<!-- Empty/Drop Tables -->
<form action="<?php echo $_SERVER['REQUEST_URI']; ?>" method="post">
    <div class="wrap">
        <h2><?php _e('Empty/Drop Tables', 'wp-dbmanager'); ?></h2>    
        <br style="clear" />
        <table class="widefat">
            <thead>
                <tr>
                    <th><?php _e('Tables', 'wp-dbmanager'); ?></th>
                    <th><?php _e('Empty', 'wp-dbmanager'); ?> <sup><?php _e('1', 'wp-dbmanager'); ?></sup></th>
                    <th><?php _e('Drop', 'wp-dbmanager'); ?> <sup><?php _e('2', 'wp-dbmanager'); ?></sup></th>
                </tr>
            </thead>
                <?php
                    foreach($tables as $table_name) {
                        if($no%2 == 0) {
                            $style = '';                            
                        } else {
                            $style = ' class="alternate"';
                        }
                        $no++;
                        echo "<tr $style><th align=\"left\" scope=\"row\">$table_name</th>\n";
                        echo "<td><input type=\"radio\" id=\"$table_name-empty\" name=\"emptydrop[$table_name]\" value=\"empty\" />&nbsp;<label for=\"$table_name-empty\">".__('Empty', 'wp-dbmanager').'</label></td>';
                        echo "<td><input type=\"radio\" id=\"$table_name-drop\" name=\"emptydrop[$table_name]\" value=\"drop\" />&nbsp;<label for=\"$table_name-drop\">".__('Drop', 'wp-dbmanager').'</label></td></tr>';
                    }
                ?>
            <tr>
                <td colspan="3">
                    <?php _e('1. EMPTYING a table means all the rows in the table will be deleted. This action is not REVERSIBLE.', 'wp-dbmanager'); ?>
                    <br />
                    <?php _e('2. DROPPING a table means deleting the table. This action is not REVERSIBLE.', 'wp-dbmanager'); ?>                
                </td>
            </tr>
            <tr>
                <td colspan="3" align="center"><input type="submit" name="do" value="<?php _e('Empty/Drop', 'wp-dbmanager'); ?>" class="button" onclick="return confirm('<?php _e('You Are About To Empty Or Drop The Selected Databases.\nThis Action Is Not Reversible.\n\n Choose [Cancel] to stop, [Ok] to delete.', 'wp-dbmanager'); ?>')" />&nbsp;&nbsp;<input type="button" name="cancel" value="<?php _e('Cancel', 'wp-dbmanager'); ?>" class="button" onclick="javascript:history.go(-1)" /></td>
            </tr>
        </table>
    </div>
</form>