diff -r 000000000000 -r d970ebf37754 wp/wp-content/plugins/wp-db-backup/wp-db-backup.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-content/plugins/wp-db-backup/wp-db-backup.php	Wed Nov 06 03:21:17 2013 +0000
@@ -0,0 +1,1524 @@
+<?php
+/*
+Plugin Name: WordPress Database Backup
+Plugin URI: http://austinmatzko.com/wordpress-plugins/wp-db-backup/
+Description: On-demand backup of your WordPress database. Navigate to <a href="edit.php?page=wp-db-backup">Tools &rarr; Backup</a> to get started.
+Author: Austin Matzko 
+Author URI: http://austinmatzko.com/
+Version: 2.2.4
+
+Copyright 2013  Austin Matzko  (email : austin at pressedcode.com)
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
+*/
+
+/**
+ * Change WP_BACKUP_DIR if you want to
+ * use a different backup location
+ */
+
+if ( ! defined('ABSPATH') ) {
+	die('Please do not load this file directly.');
+}
+
+$rand = substr( md5( md5( DB_PASSWORD ) ), -5 );
+global $wpdbb_content_dir, $wpdbb_content_url, $wpdbb_plugin_dir;
+$wpdbb_content_dir = ( defined('WP_CONTENT_DIR') ) ? WP_CONTENT_DIR : ABSPATH . 'wp-content';
+$wpdbb_content_url = ( defined('WP_CONTENT_URL') ) ? WP_CONTENT_URL : get_option('siteurl') . '/wp-content';
+$wpdbb_plugin_dir = ( defined('WP_PLUGIN_DIR') ) ? WP_PLUGIN_DIR : $wpdbb_content_dir . '/plugins';
+
+if ( ! defined('WP_BACKUP_DIR') ) {
+	define('WP_BACKUP_DIR', $wpdbb_content_dir . '/backup-' . $rand . '/');
+}
+
+if ( ! defined('WP_BACKUP_URL') ) {
+	define('WP_BACKUP_URL', $wpdbb_content_url . '/backup-' . $rand . '/');
+}
+
+if ( ! defined('ROWS_PER_SEGMENT') ) {
+	define('ROWS_PER_SEGMENT', 100);
+}
+
+/** 
+ * Set MOD_EVASIVE_OVERRIDE to true 
+ * and increase MOD_EVASIVE_DELAY 
+ * if the backup stops prematurely.
+ */
+// define('MOD_EVASIVE_OVERRIDE', false);
+if ( ! defined('MOD_EVASIVE_DELAY') ) {
+	define('MOD_EVASIVE_DELAY', '500');
+}
+
+class wpdbBackup {
+
+	var $backup_complete = false;
+	var $backup_file = '';
+	var $backup_filename;
+	var $core_table_names = array();
+	var $errors = array();
+	var $basename;
+	var $page_url;
+	var $referer_check_key;
+	var $version = '2.1.5-alpha';
+
+	function module_check() {
+		$mod_evasive = false;
+		if ( defined( 'MOD_EVASIVE_OVERRIDE' ) && true === MOD_EVASIVE_OVERRIDE ) return true;
+		if ( ! defined( 'MOD_EVASIVE_OVERRIDE' ) || false === MOD_EVASIVE_OVERRIDE ) return false;
+		if ( function_exists('apache_get_modules') ) 
+			foreach( (array) apache_get_modules() as $mod ) 
+				if ( false !== strpos($mod,'mod_evasive') || false !== strpos($mod,'mod_dosevasive') )
+					return true;
+		return false;
+	}
+
+	function wpdbBackup() {
+		global $table_prefix, $wpdb;
+		add_action('wp_ajax_save_backup_time', array(&$this, 'save_backup_time'));
+		add_action('init', array(&$this, 'init_textdomain'));
+		add_action('init', array(&$this, 'set_page_url'));
+		add_action('load-update-core.php', array(&$this, 'update_notice_action'));
+		add_action('wp_db_backup_cron', array(&$this, 'cron_backup'));
+		add_action('wp_cron_daily', array(&$this, 'wp_cron_daily'));
+		add_filter('cron_schedules', array(&$this, 'add_sched_options'));
+		add_filter('wp_db_b_schedule_choices', array(&$this, 'schedule_choices'));
+		
+		$table_prefix = ( isset( $table_prefix ) ) ? $table_prefix : $wpdb->prefix;
+		$datum = date("Ymd_B");
+		$this->backup_filename = DB_NAME . "_$table_prefix$datum.sql";
+
+		$possible_names = array(
+			'categories',
+			'commentmeta',
+			'comments',
+			'link2cat',
+			'linkcategories',
+			'links',
+			'options',
+			'post2cat',
+			'postmeta',
+			'posts',
+			'terms',
+			'term_taxonomy',
+			'term_relationships',
+			'users',
+			'usermeta',
+		);
+
+		foreach( $possible_names as $name ) {
+			if ( isset( $wpdb->{$name} ) ) {
+				$this->core_table_names[] = $wpdb->{$name};
+			}
+		}
+	
+		$this->backup_dir = trailingslashit(apply_filters('wp_db_b_backup_dir', WP_BACKUP_DIR));
+		$this->basename = 'wp-db-backup';
+	
+		$this->referer_check_key = $this->basename . '-download_' . DB_NAME;
+		if (isset($_POST['do_backup'])) {
+			$this->wp_secure('fatal');
+			check_admin_referer($this->referer_check_key);
+			$this->can_user_backup('main');
+			// save exclude prefs
+
+			$exc_revisions = isset( $_POST['exclude-revisions'] ) ? (array) $_POST['exclude-revisions'] : array();
+			$exc_spam = isset( $_POST['exclude-spam'] ) ? (array) $_POST['exclude-spam'] : array();
+			update_option('wp_db_backup_excs', array('revisions' => $exc_revisions, 'spam' => $exc_spam));
+			switch($_POST['do_backup']) {
+			case 'backup':
+				add_action('init', array(&$this, 'perform_backup'));
+				break;
+			case 'fragments':
+				add_action('admin_menu', array(&$this, 'fragment_menu'));
+				break;				
+			}
+		} elseif (isset($_GET['fragment'] )) {
+			$this->can_user_backup('frame');
+			add_action('init', array(&$this, 'init'));
+		} elseif (isset($_GET['backup'] )) {
+			$this->can_user_backup();
+			add_action('init', array(&$this, 'init'));
+		} else {
+			add_action('admin_menu', array(&$this, 'admin_menu'));
+		}
+	}
+	
+	function init() {
+		$this->can_user_backup();
+		if (isset($_GET['backup'])) {
+			$via = isset($_GET['via']) ? $_GET['via'] : 'http';
+			
+			$this->backup_file = $_GET['backup'];
+			$this->validate_file($this->backup_file);
+
+			switch($via) {
+			case 'smtp':
+			case 'email':
+				$success = $this->deliver_backup($this->backup_file, 'smtp', $_GET['recipient'], 'frame');
+				$this->error_display( 'frame' );
+				if ( $success ) {
+					echo '
+						<!-- ' . $via . ' -->
+						<script type="text/javascript"><!--\\
+					';
+					echo '
+						alert("' . __('Backup Complete!','wp-db-backup') . '");
+						window.onbeforeunload = null; 
+						</script>
+					';
+				}
+				break;
+			default:
+				$success = $this->deliver_backup($this->backup_file, $via);
+				echo $this->error_display( 'frame', false );
+				
+				if ( $success ) {
+					echo '
+					<script type="text/javascript">
+						window.parent.setProgress("' . __('Backup Complete!','wp-db-backup') . '");
+					</script>
+					';
+				}
+			}
+			exit;
+		}
+		if (isset($_GET['fragment'] )) {
+			list($table, $segment, $filename) = explode(':', $_GET['fragment']);
+			$this->validate_file($filename);
+			$this->backup_fragment($table, $segment, $filename);
+		}
+
+		die();
+	}
+
+	function init_textdomain() {
+		load_plugin_textdomain('wp-db-backup', str_replace(ABSPATH, '', dirname(__FILE__)), dirname(plugin_basename(__FILE__)));
+	}
+
+	function set_page_url() {
+		$query_args = array( 'page' => $this->basename );
+		if ( function_exists('wp_create_nonce') )
+			$query_args = array_merge( $query_args, array('_wpnonce' => wp_create_nonce($this->referer_check_key)) );
+		$base = ( function_exists('site_url') ) ? site_url('', 'admin') : get_option('siteurl');
+		$this->page_url = add_query_arg( $query_args, $base . '/wp-admin/edit.php');
+	}
+
+	/*
+	 * Add a link to back up your database when doing a core upgrade 
+	 */
+	function update_notice_action() {
+		if ( 'upgrade-core' == $_REQUEST['action'] ) :
+			ob_start(array(&$this, 'update_notice'));
+			add_action('admin_footer', create_function('', 'ob_end_flush();'));
+		endif;
+	}
+		function update_notice($text = '') {
+			$pattern = '#(<a href\="' . __('http://codex.wordpress.org/WordPress_Backups') . '">.*?</p>)#';
+			$replace = '$1' . "\n<p>" . sprintf(__('Click <a href="%s" target="_blank">here</a> to back up your database using the WordPress Database Backup plugin. <strong>Note:</strong> WordPress Database Backup does <em>not</em> back up your files, just your database.', 'wp-db-backup'), 'tools.php?page=wp-db-backup') . "</p>\n"; 
+			$text = preg_replace($pattern, $replace, $text);
+			return $text;
+		}
+
+	function build_backup_script() {
+		global $table_prefix, $wpdb;
+	
+		echo "<div class='wrap'>";
+		echo 	'<fieldset class="options"><legend>' . __('Progress','wp-db-backup') . '</legend>
+			<p><strong>' .
+				__('DO NOT DO THE FOLLOWING AS IT WILL CAUSE YOUR BACKUP TO FAIL:','wp-db-backup').
+			'</strong></p>
+			<ol>
+				<li>'.__('Close this browser','wp-db-backup').'</li>
+				<li>'.__('Reload this page','wp-db-backup').'</li>
+				<li>'.__('Click the Stop or Back buttons in your browser','wp-db-backup').'</li>
+			</ol>
+			<p><strong>' . __('Progress:','wp-db-backup') . '</strong></p>
+			<div id="meterbox" style="height:11px;width:80%;padding:3px;border:1px solid #659fff;"><div id="meter" style="color:#fff;height:11px;line-height:11px;background-color:#659fff;width:0%;text-align:center;font-size:6pt;">&nbsp;</div></div>
+			<div id="progress_message"></div>
+			<div id="errors"></div>
+			</fieldset>
+			<iframe id="backuploader" src="about:blank" style="visibility:hidden;border:none;height:1em;width:1px;"></iframe>
+			<script type="text/javascript">
+			//<![CDATA[
+			window.onbeforeunload = function() {
+				return "' . __('Navigating away from this page will cause your backup to fail.', 'wp-db-backup') . '";
+			}
+			function setMeter(pct) {
+				var meter = document.getElementById("meter");
+				meter.style.width = pct + "%";
+				meter.innerHTML = Math.floor(pct) + "%";
+			}
+			function setProgress(str) {
+				var progress = document.getElementById("progress_message");
+				progress.innerHTML = str;
+			}
+			function addError(str) {
+				var errors = document.getElementById("errors");
+				errors.innerHTML = errors.innerHTML + str + "<br />";
+			}
+
+			function backup(table, segment) {
+				var fram = document.getElementById("backuploader");
+				fram.src = "' . $this->page_url . '&fragment=" + table + ":" + segment + ":' . $this->backup_filename . ':";
+			}
+			
+			var curStep = 0;
+			
+			function nextStep() {
+				backupStep(curStep);
+				curStep++;
+			}
+			
+			function finishBackup() {
+				var fram = document.getElementById("backuploader");				
+				setMeter(100);
+		';
+
+		$download_uri = add_query_arg('backup', $this->backup_filename, $this->page_url);
+		switch($_POST['deliver']) {
+		case 'http':
+			echo '
+				setProgress("' . __('Preparing download.','wp-db-backup') . '");
+				window.onbeforeunload = null; 
+				fram.src = "' . $download_uri . '";
+				
+				setTimeout( function() {
+					var secondFrame = document.createElement("iframe");				
+					fram.parentNode.insertBefore(secondFrame, fram);
+					secondFrame.src = "' . $download_uri . '&download-retry=1";
+				}, 30000 );
+			';
+			break;
+		case 'smtp':
+			if ( get_option('wpdb_backup_recip') != $_POST['backup_recipient'] ) {
+				update_option('wpdb_backup_recip', $_POST['backup_recipient'] );
+			}
+			echo '
+				setProgress("' . sprintf(__('Your backup has been emailed to %s','wp-db-backup'), $_POST['backup_recipient']) . '");
+				window.onbeforeunload = null; 
+				fram.src = "' . $download_uri . '&via=email&recipient=' . $_POST['backup_recipient'] . '";
+			';
+			break;
+		default:
+			echo '
+				setProgress("' . __('Backup Complete!','wp-db-backup') . '");
+				window.onbeforeunload = null; 
+			';
+		}
+		
+		echo '
+			}
+			
+			function backupStep(step) {
+				switch(step) {
+				case 0: backup("", 0); break;
+		';
+		
+		$also_backup = array();
+		if (isset($_POST['other_tables'])) {
+			$also_backup = $_POST['other_tables'];
+		} else {
+			$also_backup = array();
+		}
+		$core_tables = $_POST['core_tables'];
+		$tables = array_merge($core_tables, $also_backup);
+		$step_count = 1;
+		foreach ($tables as $table) {
+			$rec_count = $wpdb->get_var("SELECT count(*) FROM {$table}");
+			$rec_segments = ceil($rec_count / ROWS_PER_SEGMENT);
+			$table_count = 0;
+			if ( $this->module_check() ) {
+				$delay = "setTimeout('";
+				$delay_time = "', " . (int) MOD_EVASIVE_DELAY . ")";
+			}
+			else { $delay = $delay_time = ''; }
+			do {
+				echo "case {$step_count}: {$delay}backup(\"{$table}\", {$table_count}){$delay_time}; break;\n";
+				$step_count++;
+				$table_count++;
+			} while($table_count < $rec_segments);
+			echo "case {$step_count}: {$delay}backup(\"{$table}\", -1){$delay_time}; break;\n";
+			$step_count++;
+		}
+		echo "case {$step_count}: finishBackup(); break;";
+		
+		echo '
+				}
+				if(step != 0) setMeter(100 * step / ' . $step_count . ');
+			}
+
+			nextStep();
+			// ]]>
+			</script>
+	</div>
+		';
+		$this->backup_menu();
+	}
+
+	function backup_fragment($table, $segment, $filename) {
+		global $table_prefix, $wpdb;
+			
+		echo "$table:$segment:$filename";
+		
+		if($table == '') {
+			$msg = __('Creating backup file...','wp-db-backup');
+		} else {
+			if($segment == -1) {
+				$msg = sprintf(__('Finished backing up table \\"%s\\".','wp-db-backup'), $table);
+			} else {
+				$msg = sprintf(__('Backing up table \\"%s\\"...','wp-db-backup'), $table);
+			}
+		}
+		
+		if (is_writable($this->backup_dir)) {
+			$this->fp = $this->open($this->backup_dir . $filename, 'a');
+			if(!$this->fp) {
+				$this->error(__('Could not open the backup file for writing!','wp-db-backup'));
+				$this->error(array('loc' => 'frame', 'kind' => 'fatal', 'msg' =>  __('The backup file could not be saved.  Please check the permissions for writing to your backup directory and try again.','wp-db-backup')));
+			}
+			else {
+				if($table == '') {		
+					//Begin new backup of MySql
+					$this->stow("# " . __('WordPress MySQL database backup','wp-db-backup') . "\n");
+					$this->stow("#\n");
+					$this->stow("# " . sprintf(__('Generated: %s','wp-db-backup'),date("l j. F Y H:i T")) . "\n");
+					$this->stow("# " . sprintf(__('Hostname: %s','wp-db-backup'),DB_HOST) . "\n");
+					$this->stow("# " . sprintf(__('Database: %s','wp-db-backup'),$this->backquote(DB_NAME)) . "\n");
+					$this->stow("# --------------------------------------------------------\n");
+				} else {
+					if($segment == 0) {
+						// Increase script execution time-limit to 15 min for every table.
+						if ( !ini_get('safe_mode')) @set_time_limit(15*60);
+						// Create the SQL statements
+						$this->stow("# --------------------------------------------------------\n");
+						$this->stow("# " . sprintf(__('Table: %s','wp-db-backup'),$this->backquote($table)) . "\n");
+						$this->stow("# --------------------------------------------------------\n");
+					}			
+					$this->backup_table($table, $segment);
+				}
+			}
+		} else {
+			$this->error(array('kind' => 'fatal', 'loc' => 'frame', 'msg' => __('The backup directory is not writeable!  Please check the permissions for writing to your backup directory and try again.','wp-db-backup')));
+		}
+
+		if($this->fp) $this->close($this->fp);
+		
+		$this->error_display('frame');
+
+		echo '<script type="text/javascript"><!--//
+		var msg = "' . $msg . '";
+		window.parent.setProgress(msg);
+		window.parent.nextStep();
+		//--></script>
+		';
+		die();
+	}
+
+	function perform_backup() {
+		// are we backing up any other tables?
+		$also_backup = array();
+		if (isset($_POST['other_tables']))
+			$also_backup = $_POST['other_tables'];
+		$core_tables = $_POST['core_tables'];
+		$this->backup_file = $this->db_backup($core_tables, $also_backup);
+		if (false !== $this->backup_file) {
+			if ('smtp' == $_POST['deliver']) {
+				$this->deliver_backup($this->backup_file, $_POST['deliver'], $_POST['backup_recipient'], 'main');
+				if ( get_option('wpdb_backup_recip') != $_POST['backup_recipient'] ) {
+					update_option('wpdb_backup_recip', $_POST['backup_recipient'] );
+				}
+				wp_redirect($this->page_url);
+			} elseif ('http' == $_POST['deliver']) {
+				$download_uri = add_query_arg('backup',$this->backup_file,$this->page_url);
+				wp_redirect($download_uri); 
+				exit;
+			}
+			// we do this to say we're done.
+			$this->backup_complete = true;
+		}
+	}
+
+	function admin_header() {
+		?>
+		<script type="text/javascript">
+		//<![CDATA[
+		if ( 'undefined' != typeof addLoadEvent ) {
+			addLoadEvent(function() {
+				var t = {'extra-tables-list':{name: 'other_tables[]'}, 'include-tables-list':{name: 'wp_cron_backup_tables[]'}};
+
+				for ( var k in t ) {
+					t[k].s = null;
+					var d = document.getElementById(k);
+					if ( ! d )
+						continue;
+					var ul = d.getElementsByTagName('ul').item(0);
+					if ( ul ) {
+						var lis = ul.getElementsByTagName('li');
+						if ( 2 < lis.length ) {
+							var text = document.createElement('p');
+							text.className = 'instructions';
+							text.innerHTML = '<?php _e('Click and hold down <code>[SHIFT]</code> to toggle multiple checkboxes', 'wp-db-backup'); ?>';
+							ul.parentNode.insertBefore(text, ul);
+						}
+					}
+					t[k].p = d.getElementsByTagName("input");
+					for(var i=0; i < t[k].p.length; i++) {
+						if(t[k].name == t[k].p[i].getAttribute('name')) {
+							t[k].p[i].id = k + '-table-' + i;
+							t[k].p[i].onkeyup = t[k].p[i].onclick = function(e) {
+								e = e ? e : event;
+								if ( 16  == e.keyCode ) 
+									return;
+								var match = /([\w-]*)-table-(\d*)/.exec(this.id);
+								var listname = match[1];
+								var that = match[2];
+								if ( null === t[listname].s )
+									t[listname].s = that;
+								else if ( e.shiftKey ) {
+									var start = Math.min(that, t[listname].s) + 1;
+									var end = Math.max(that, t[listname].s);
+									for( var j=start; j < end; j++)
+										t[listname].p[j].checked = t[listname].p[j].checked ? false : true;
+									t[listname].s = null;
+								}
+							}
+						}
+					}
+				}
+
+				<?php if ( function_exists('wp_schedule_event') ) : // needs to be at least WP 2.1 for ajax ?>
+				if ( 'undefined' == typeof XMLHttpRequest ) 
+					var xml = new ActiveXObject( navigator.userAgent.indexOf('MSIE 5') >= 0 ? 'Microsoft.XMLHTTP' : 'Msxml2.XMLHTTP' );
+				else
+					var xml = new XMLHttpRequest();
+
+				var initTimeChange = function() {
+					var timeWrap = document.getElementById('backup-time-wrap');
+					var backupTime = document.getElementById('next-backup-time');
+					if ( !! timeWrap && !! backupTime && ( 1 == <?php
+						echo (int) ( 'en' == strtolower( substr( get_locale(), 0, 2 ) ) );	
+					?> ) ) {
+						var span = document.createElement('span');
+						span.className = 'submit';
+						span.id = 'change-wrap';
+						span.innerHTML = '<input type="submit" id="change-backup-time" name="change-backup-time" value="<?php _e('Change','wp-db-backup'); ?>" />';
+						timeWrap.appendChild(span);
+						backupTime.ondblclick = function(e) { span.parentNode.removeChild(span); clickTime(e, backupTime); };
+						span.onclick = function(e) { span.parentNode.removeChild(span); clickTime(e, backupTime); };
+					}
+				}
+
+				var clickTime = function(e, backupTime) {
+					var tText = backupTime.innerHTML;
+					backupTime.innerHTML = '<input type="text" value="' + tText + '" name="backup-time-text" id="backup-time-text" /> <span class="submit"><input type="submit" name="save-backup-time" id="save-backup-time" value="<?php _e('Save', 'wp-db-backup'); ?>" /></span>';
+					backupTime.ondblclick = null;
+					var mainText = document.getElementById('backup-time-text');
+					mainText.focus();
+					var saveTButton = document.getElementById('save-backup-time');
+					if ( !! saveTButton )
+						saveTButton.onclick = function(e) { saveTime(backupTime, mainText); return false; };
+					if ( !! mainText )
+						mainText.onkeydown = function(e) { 
+							e = e || window.event;
+							if ( 13 == e.keyCode ) {
+								saveTime(backupTime, mainText);
+								return false;
+							}
+						}
+				}
+
+				var saveTime = function(backupTime, mainText) {
+					var tVal = mainText.value;
+
+					xml.open('POST', 'admin-ajax.php', true);
+					xml.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
+					if ( xml.overrideMimeType )
+						xml.setRequestHeader('Connection', 'close');
+					xml.send('action=save_backup_time&_wpnonce=<?php echo wp_create_nonce($this->referer_check_key); ?>&backup-time='+tVal);
+					xml.onreadystatechange = function() {
+						if ( 4 == xml.readyState && '0' != xml.responseText ) {
+							backupTime.innerHTML = xml.responseText;
+							initTimeChange();
+						}
+					}
+				}
+
+				initTimeChange();
+				<?php endif; // wp_schedule_event exists ?>
+			});
+		}
+		//]]>
+		</script>
+		<style type="text/css">
+			.wp-db-backup-updated {
+				margin-top: 1em;
+			}
+
+			fieldset.options {
+				border: 1px solid;
+				margin-top: 1em;
+				padding: 1em;
+				-moz-border-radius: 8px;
+				-khtml-border-radius: 8px;
+				-webkit-border-top-left-radius: 8px;
+				-webkit-border-top-right-radius: 8px;
+				-webkit-border-bottom-left-radius: 8px;
+				-webkit-border-bottom-right-radius: 8px;
+				border-radius: 8px;
+			}
+				fieldset.options div.tables-list {
+					float: left;
+					padding: 1em;
+				}
+
+				fieldset.options input {
+				}
+
+				fieldset.options legend {
+					font-size: larger;
+					font-weight: bold;
+					margin-bottom: .5em;
+					padding: 1em;
+				}
+		
+				fieldset.options .instructions {
+					font-size: smaller;
+				}
+
+				fieldset.options ul {
+					list-style-type: none;
+				}
+					fieldset.options li {
+						text-align: left;
+					}
+
+				fieldset.options .submit {
+					border-top: none;
+				}
+		</style>
+		<?php 
+	}
+
+	function admin_load() {
+		add_action('admin_head', array(&$this, 'admin_header'));
+	}
+
+	function admin_menu() {
+		$_page_hook = add_management_page(__('Backup','wp-db-backup'), __('Backup','wp-db-backup'), 'import', $this->basename, array(&$this, 'backup_menu'));
+		add_action('load-' . $_page_hook, array(&$this, 'admin_load'));
+		if (function_exists('get_current_screen')) {
+			$screen = convert_to_screen($_page_hook);
+			if (method_exists($screen,'add_help_tab')) {
+				$screen->add_help_tab(array(
+					'title' => __('Backup','wp-db-backup'),
+					'id' => $_page_hook,
+					'content' => $this->help_menu(),
+				));
+			}
+		} elseif ( function_exists('add_contextual_help') ) {
+			$text = $this->help_menu();
+			add_contextual_help($_page_hook, $text);
+		}
+	}
+
+	function fragment_menu() {
+		$page_hook = add_management_page(__('Backup','wp-db-backup'), __('Backup','wp-db-backup'), 'import', $this->basename, array(&$this, 'build_backup_script'));
+		add_action('load-' . $page_hook, array(&$this, 'admin_load'));
+	}
+
+	/** 
+	 * Add WP-DB-Backup-specific help options to the 2.7 =< WP contextual help menu
+	 * @return string The text of the help menu.
+	 */
+	function help_menu() {
+		$text = "\n<a href=\"http://wordpress.org/extend/plugins/wp-db-backup/faq/\" target=\"_blank\">" . __('FAQ', 'wp-db-backup') . '</a>';
+		return $text;
+	}
+
+	function save_backup_time() {
+		if ( $this->can_user_backup() ) {
+			// try to get a time from the input string
+			$time = strtotime(strval($_POST['backup-time']));
+			if ( ! empty( $time ) && time() < $time ) {
+				wp_clear_scheduled_hook( 'wp_db_backup_cron' ); // unschedule previous
+				$scheds = (array) wp_get_schedules();
+				$name = get_option('wp_cron_backup_schedule');
+				if ( 0 != $time ) {
+					wp_schedule_event($time, $name, 'wp_db_backup_cron');
+					echo gmdate(get_option('date_format') . ' ' . get_option('time_format'), $time + (get_option('gmt_offset') * 3600));
+					exit;
+				}
+			}
+		} else {
+			die(0);
+		}
+	}
+
+	/**
+	 * Better addslashes for SQL queries.
+	 * Taken from phpMyAdmin.
+	 */
+	function sql_addslashes($a_string = '', $is_like = false) {
+		if ($is_like) $a_string = str_replace('\\', '\\\\\\\\', $a_string);
+		else $a_string = str_replace('\\', '\\\\', $a_string);
+		return str_replace('\'', '\\\'', $a_string);
+	} 
+
+	/**
+	 * Add backquotes to tables and db-names in
+	 * SQL queries. Taken from phpMyAdmin.
+	 */
+	function backquote($a_name) {
+		if (!empty($a_name) && $a_name != '*') {
+			if (is_array($a_name)) {
+				$result = array();
+				reset($a_name);
+				while(list($key, $val) = each($a_name)) 
+					$result[$key] = '`' . $val . '`';
+				return $result;
+			} else {
+				return '`' . $a_name . '`';
+			}
+		} else {
+			return $a_name;
+		}
+	} 
+
+	function open($filename = '', $mode = 'w') {
+		if ('' == $filename) return false;
+		$fp = @fopen($filename, $mode);
+		return $fp;
+	}
+
+	function close($fp) {
+		fclose($fp);
+	}
+
+	/**
+	 * Write to the backup file
+	 * @param string $query_line the line to write
+	 * @return null
+	 */
+	function stow($query_line) {
+		if(false === @fwrite($this->fp, $query_line))
+			$this->error(__('There was an error writing a line to the backup script:','wp-db-backup') . '  ' . $query_line . '  ' . $php_errormsg);
+	}
+	
+	/**
+	 * Logs any error messages
+	 * @param array $args
+	 * @return bool
+	 */
+	function error($args = array()) {
+		if ( is_string( $args ) ) 
+			$args = array('msg' => $args);
+		$args = array_merge( array('loc' => 'main', 'kind' => 'warn', 'msg' => ''), $args);
+		$this->errors[$args['kind']][] = $args['msg'];
+		if ( 'fatal' == $args['kind'] || 'frame' == $args['loc'])
+			$this->error_display($args['loc']);
+		return true;
+	}
+
+	/**
+	 * Displays error messages 
+	 * @param array $errs
+	 * @param string $loc
+	 * @return string
+	 */
+	function error_display($loc = 'main', $echo = true) {
+		$errs = $this->errors;
+		unset( $this->errors );
+		if ( ! count($errs) ) return;
+		$msg = '';
+		$errs['fatal'] = isset( $errs['fatal'] ) ? (array) $errs['fatal'] : array();
+		$errs['warn'] = isset( $errs['warn'] ) ? (array) $errs['warn'] : array();
+		$err_list = array_slice( array_merge( $errs['fatal'], $errs['warn'] ), 0, 10);
+		if ( 10 == count( $err_list ) )
+			$err_list[9] = __('Subsequent errors have been omitted from this log.','wp-db-backup');
+		$wrap = ( 'frame' == $loc ) ? "<script type=\"text/javascript\">\n var msgList = ''; \n %1\$s \n if ( msgList ) alert(msgList); \n </script>" : '%1$s';
+		$line = ( 'frame' == $loc ) ? 
+			"try{ window.parent.addError('%1\$s'); } catch(e) { msgList += ' %1\$s';}\n" :
+			"%1\$s<br />\n";
+		foreach( (array) $err_list as $err )
+			$msg .= sprintf($line,str_replace(array("\n","\r"), '', addslashes($err)));
+		$msg = sprintf($wrap,$msg);
+		if ( count($errs['fatal'] ) ) {
+			if ( function_exists('wp_die') && 'frame' != $loc ) wp_die(stripslashes($msg));
+			else die($msg);
+		}
+		else {
+			if ( $echo ) echo $msg;
+			else return $msg;
+		}
+	}
+
+	/**
+	 * Taken partially from phpMyAdmin and partially from
+	 * Alain Wolf, Zurich - Switzerland
+	 * Website: http://restkultur.ch/personal/wolf/scripts/db_backup/
+	
+	 * Modified by Scott Merrill (http://www.skippy.net/) 
+	 * to use the WordPress $wpdb object
+	 * @param string $table
+	 * @param string $segment
+	 * @return void
+	 */
+	function backup_table($table, $segment = 'none') {
+		global $wpdb;
+
+		$table_structure = $wpdb->get_results("DESCRIBE $table");
+		if (! $table_structure) {
+			$this->error(__('Error getting table details','wp-db-backup') . ": $table");
+			return false;
+		}
+	
+		if(($segment == 'none') || ($segment == 0)) {
+			// Add SQL statement to drop existing table
+			$this->stow("\n\n");
+			$this->stow("#\n");
+			$this->stow("# " . sprintf(__('Delete any existing table %s','wp-db-backup'),$this->backquote($table)) . "\n");
+			$this->stow("#\n");
+			$this->stow("\n");
+			$this->stow("DROP TABLE IF EXISTS " . $this->backquote($table) . ";\n");
+			
+			// Table structure
+			// Comment in SQL-file
+			$this->stow("\n\n");
+			$this->stow("#\n");
+			$this->stow("# " . sprintf(__('Table structure of table %s','wp-db-backup'),$this->backquote($table)) . "\n");
+			$this->stow("#\n");
+			$this->stow("\n");
+			
+			$create_table = $wpdb->get_results("SHOW CREATE TABLE $table", ARRAY_N);
+			if (false === $create_table) {
+				$err_msg = sprintf(__('Error with SHOW CREATE TABLE for %s.','wp-db-backup'), $table);
+				$this->error($err_msg);
+				$this->stow("#\n# $err_msg\n#\n");
+			}
+			$this->stow($create_table[0][1] . ' ;');
+			
+			if (false === $table_structure) {
+				$err_msg = sprintf(__('Error getting table structure of %s','wp-db-backup'), $table);
+				$this->error($err_msg);
+				$this->stow("#\n# $err_msg\n#\n");
+			}
+		
+			// Comment in SQL-file
+			$this->stow("\n\n");
+			$this->stow("#\n");
+			$this->stow('# ' . sprintf(__('Data contents of table %s','wp-db-backup'),$this->backquote($table)) . "\n");
+			$this->stow("#\n");
+		}
+		
+		if(($segment == 'none') || ($segment >= 0)) {
+			$defs = array();
+			$ints = array();
+			foreach ($table_structure as $struct) {
+				if ( (0 === strpos($struct->Type, 'tinyint')) ||
+					(0 === strpos(strtolower($struct->Type), 'smallint')) ||
+					(0 === strpos(strtolower($struct->Type), 'mediumint')) ||
+					(0 === strpos(strtolower($struct->Type), 'int')) ||
+					(0 === strpos(strtolower($struct->Type), 'bigint')) ) {
+						$defs[strtolower($struct->Field)] = ( null === $struct->Default ) ? 'NULL' : $struct->Default;
+						$ints[strtolower($struct->Field)] = "1";
+				}
+			}
+			
+			
+			// Batch by $row_inc
+			
+			if($segment == 'none') {
+				$row_start = 0;
+				$row_inc = ROWS_PER_SEGMENT;
+			} else {
+				$row_start = $segment * ROWS_PER_SEGMENT;
+				$row_inc = ROWS_PER_SEGMENT;
+			}
+			
+			do {	
+				// don't include extra stuff, if so requested
+				$excs = (array) get_option('wp_db_backup_excs');
+				$where = '';
+				if ( is_array($excs['spam'] ) && in_array($table, $excs['spam']) ) {
+					$where = ' WHERE comment_approved != "spam"';
+				} elseif ( is_array($excs['revisions'] ) && in_array($table, $excs['revisions']) ) {
+					$where = ' WHERE post_type != "revision"';
+				}
+				
+				if ( !ini_get('safe_mode')) @set_time_limit(15*60);
+				$table_data = $wpdb->get_results("SELECT * FROM $table $where LIMIT {$row_start}, {$row_inc}", ARRAY_A);
+
+				$entries = 'INSERT INTO ' . $this->backquote($table) . ' VALUES (';	
+				//    \x08\\x09, not required
+				$search = array("\x00", "\x0a", "\x0d", "\x1a");
+				$replace = array('\0', '\n', '\r', '\Z');
+				if($table_data) {
+					foreach ($table_data as $row) {
+						$values = array();
+						foreach ($row as $key => $value) {
+							if ($ints[strtolower($key)]) {
+								// make sure there are no blank spots in the insert syntax,
+								// yet try to avoid quotation marks around integers
+								$value = ( null === $value || '' === $value) ? $defs[strtolower($key)] : $value;
+								$values[] = ( '' === $value ) ? "''" : $value;
+							} else {
+								$values[] = "'" . str_replace($search, $replace, $this->sql_addslashes($value)) . "'";
+							}
+						}
+						$this->stow(" \n" . $entries . implode(', ', $values) . ');');
+					}
+					$row_start += $row_inc;
+				}
+			} while((count($table_data) > 0) and ($segment=='none'));
+		}
+		
+		if(($segment == 'none') || ($segment < 0)) {
+			// Create footer/closing comment in SQL-file
+			$this->stow("\n");
+			$this->stow("#\n");
+			$this->stow("# " . sprintf(__('End of data contents of table %s','wp-db-backup'),$this->backquote($table)) . "\n");
+			$this->stow("# --------------------------------------------------------\n");
+			$this->stow("\n");
+		}
+	} // end backup_table()
+	
+	function db_backup($core_tables, $other_tables) {
+		global $table_prefix, $wpdb;
+		
+		if (is_writable($this->backup_dir)) {
+			$this->fp = $this->open($this->backup_dir . $this->backup_filename);
+			if(!$this->fp) {
+				$this->error(__('Could not open the backup file for writing!','wp-db-backup'));
+				return false;
+			}
+		} else {
+			$this->error(__('The backup directory is not writeable!','wp-db-backup'));
+			return false;
+		}
+		
+		//Begin new backup of MySql
+		$this->stow("# " . __('WordPress MySQL database backup','wp-db-backup') . "\n");
+		$this->stow("#\n");
+		$this->stow("# " . sprintf(__('Generated: %s','wp-db-backup'),date("l j. F Y H:i T")) . "\n");
+		$this->stow("# " . sprintf(__('Hostname: %s','wp-db-backup'),DB_HOST) . "\n");
+		$this->stow("# " . sprintf(__('Database: %s','wp-db-backup'),$this->backquote(DB_NAME)) . "\n");
+		$this->stow("# --------------------------------------------------------\n");
+		
+			if ( (is_array($other_tables)) && (count($other_tables) > 0) )
+			$tables = array_merge($core_tables, $other_tables);
+		else
+			$tables = $core_tables;
+		
+		foreach ($tables as $table) {
+			// Increase script execution time-limit to 15 min for every table.
+			if ( !ini_get('safe_mode')) @set_time_limit(15*60);
+			// Create the SQL statements
+			$this->stow("# --------------------------------------------------------\n");
+			$this->stow("# " . sprintf(__('Table: %s','wp-db-backup'),$this->backquote($table)) . "\n");
+			$this->stow("# --------------------------------------------------------\n");
+			$this->backup_table($table);
+		}
+				
+		$this->close($this->fp);
+		
+		if (count($this->errors)) {
+			return false;
+		} else {
+			return $this->backup_filename;
+		}
+		
+	} //wp_db_backup
+
+	/**
+	 * Sends the backed-up file via email
+	 * @param string $to
+	 * @param string $subject
+	 * @param string $message
+	 * @return bool
+	 */
+	function send_mail( $to, $subject, $message, $diskfile) {
+		global $phpmailer;
+
+		$filename = basename($diskfile);
+
+		extract( apply_filters( 'wp_mail', compact( 'to', 'subject', 'message' ) ) );
+
+		if ( !is_object( $phpmailer ) || ( strtolower(get_class( $phpmailer )) != 'phpmailer' ) ) {
+			if ( file_exists( ABSPATH . WPINC . '/class-phpmailer.php' ) )
+				require_once ABSPATH . WPINC . '/class-phpmailer.php';
+			if ( file_exists( ABSPATH . WPINC . '/class-smtp.php' ) )
+				require_once ABSPATH . WPINC . '/class-smtp.php';
+			if ( class_exists( 'PHPMailer') )
+				$phpmailer = new PHPMailer();
+		}
+
+		// try to use phpmailer directly (WP 2.2+)
+		if ( is_object( $phpmailer ) && ( strtolower(get_class( $phpmailer )) == 'phpmailer' ) ) {
+			
+			// Get the site domain and get rid of www.
+			$sitename = strtolower( $_SERVER['SERVER_NAME'] );
+			if ( substr( $sitename, 0, 4 ) == 'www.' ) {
+				$sitename = substr( $sitename, 4 );
+			}
+			$from_email = 'wordpress@' . $sitename;
+			$from_name = 'WordPress';
+
+			// Empty out the values that may be set
+			$phpmailer->ClearAddresses();
+			$phpmailer->ClearAllRecipients();
+			$phpmailer->ClearAttachments();
+			$phpmailer->ClearBCCs();
+			$phpmailer->ClearCCs();
+			$phpmailer->ClearCustomHeaders();
+			$phpmailer->ClearReplyTos();
+
+			$phpmailer->AddAddress( $to );
+			$phpmailer->AddAttachment($diskfile, $filename);
+			$phpmailer->Body = $message;
+			$phpmailer->CharSet = apply_filters( 'wp_mail_charset', get_bloginfo('charset') );
+			$phpmailer->From = apply_filters( 'wp_mail_from', $from_email );
+			$phpmailer->FromName = apply_filters( 'wp_mail_from_name', $from_name );
+			$phpmailer->IsMail();
+			$phpmailer->Subject = $subject;
+
+			do_action_ref_array( 'phpmailer_init', array( &$phpmailer ) );
+			
+			$result = @$phpmailer->Send();
+
+		// old-style: build the headers directly
+		} else {
+			$randomish = md5(time());
+			$boundary = "==WPBACKUP-$randomish";
+			$fp = fopen($diskfile,"rb");
+			$file = fread($fp,filesize($diskfile)); 
+			$this->close($fp);
+			
+			$data = chunk_split(base64_encode($file));
+			
+			$headers .= "MIME-Version: 1.0\n";
+			$headers = 'From: wordpress@' . preg_replace('#^www\.#', '', strtolower($_SERVER['SERVER_NAME'])) . "\n";
+			$headers .= "Content-Type: multipart/mixed; boundary=\"$boundary\"\n";
+		
+			// Add a multipart boundary above the plain message
+			$message = "This is a multi-part message in MIME format.\n\n" .
+		        	"--{$boundary}\n" .
+				"Content-Type: text/plain; charset=\"" . get_bloginfo('charset') . "\"\n" .
+				"Content-Transfer-Encoding: 7bit\n\n" .
+				$message . "\n\n";
+
+			// Add file attachment to the message
+			$message .= "--{$boundary}\n" .
+				"Content-Type: application/octet-stream;\n" .
+				" name=\"{$filename}\"\n" .
+				"Content-Disposition: attachment;\n" .
+				" filename=\"{$filename}\"\n" .
+				"Content-Transfer-Encoding: base64\n\n" .
+				$data . "\n\n" .
+				"--{$boundary}--\n";
+			
+			$result = @wp_mail($to, $subject, $message, $headers);
+		}
+		return $result;
+
+	}
+
+	function deliver_backup($filename = '', $delivery = 'http', $recipient = '', $location = 'main') {
+		if ('' == $filename) { return false; }
+		
+		$diskfile = $this->backup_dir . $filename;
+		$gz_diskfile = "{$diskfile}.gz";
+
+		/**
+		 * Try upping the memory limit before gzipping
+		 */
+		if ( function_exists('memory_get_usage') && ( (int) @ini_get('memory_limit') < 64 ) ) {
+			@ini_set('memory_limit', '64M' );
+		}
+
+		if ( file_exists( $diskfile ) && empty( $_GET['download-retry'] ) ) {
+			/**
+			 * Try gzipping with an external application
+			 */
+			if ( file_exists( $diskfile ) && ! file_exists( $gz_diskfile ) ) {
+				@exec( "gzip $diskfile" );
+			}
+
+			if ( file_exists( $gz_diskfile ) ) {
+				if ( file_exists( $diskfile ) ) {
+					unlink($diskfile);
+				}
+				$diskfile = $gz_diskfile;
+				$filename = "{$filename}.gz";
+			
+			/**
+			 * Try to compress to gzip, if available 
+			 */
+			} else {
+				if ( function_exists('gzencode') ) {
+					if ( function_exists('file_get_contents') ) {
+						$text = file_get_contents($diskfile);
+					} else {
+						$text = implode("", file($diskfile));
+					}
+					$gz_text = gzencode($text, 9);
+					$fp = fopen($gz_diskfile, "w");
+					fwrite($fp, $gz_text);
+					if ( fclose($fp) ) {
+						unlink($diskfile);
+						$diskfile = $gz_diskfile;
+						$filename = "{$filename}.gz";
+					}
+				}
+			}
+			/*
+			 * 
+			 */
+		} elseif ( file_exists( $gz_diskfile ) && empty( $_GET['download-retry'] ) ) {
+			$diskfile = $gz_diskfile;
+			$filename = "{$filename}.gz";
+		}
+
+		if ('http' == $delivery) {
+			if ( ! file_exists( $diskfile ) ) {
+				if ( empty( $_GET['download-retry'] ) ) { 
+					$this->error(array('kind' => 'fatal', 'msg' => sprintf(__('File not found:%s','wp-db-backup'), "&nbsp;<strong>$filename</strong><br />") . '<br /><a href="' . $this->page_url . '">' . __('Return to Backup','wp-db-backup') . '</a>'));
+				} else {
+					return true;
+				}
+			} elseif ( file_exists( $diskfile ) ) {
+				header('Content-Description: File Transfer');
+				header('Content-Type: application/octet-stream');
+				header('Content-Length: ' . filesize($diskfile));
+				header("Content-Disposition: attachment; filename=$filename");
+				$success = readfile($diskfile);
+				if ( $success ) {
+					unlink($diskfile);
+				}
+			}
+		} elseif ('smtp' == $delivery) {
+			if (! file_exists($diskfile)) {
+				$msg = sprintf(__('File %s does not exist!','wp-db-backup'), $diskfile);
+				$this->error($msg);
+				return false;
+			}
+			if (! is_email($recipient)) {
+				$recipient = get_option('admin_email');
+			}
+			$message = sprintf(__("Attached to this email is\n   %1s\n   Size:%2s kilobytes\n",'wp-db-backup'), $filename, round(filesize($diskfile)/1024));
+			$success = $this->send_mail($recipient, get_bloginfo('name') . ' ' . __('Database Backup','wp-db-backup'), $message, $diskfile);
+
+			if ( false === $success ) {
+				$msg = __('The following errors were reported:','wp-db-backup') . "\n ";
+				if ( function_exists('error_get_last') ) {
+					$err = error_get_last();
+					$msg .= $err['message'];
+				} else {
+					$msg .= __('ERROR: The mail application has failed to deliver the backup.','wp-db-backup'); 
+				}
+				$this->error(array('kind' => 'fatal', 'loc' => $location, 'msg' => $msg));
+			} else {
+				if ( file_exists( $diskfile ) ) {
+					unlink($diskfile);
+				}
+			}
+		}
+		return $success;
+	}
+	
+	function backup_menu() {
+		global $table_prefix, $wpdb;
+		$feedback = '';
+		$whoops = false;
+		
+		// did we just do a backup?  If so, let's report the status
+		if ( $this->backup_complete ) {
+			$feedback = '<div class="updated wp-db-backup-updated"><p>' . __('Backup Successful','wp-db-backup') . '!';
+			$file = $this->backup_file;
+			switch($_POST['deliver']) {
+			case 'http':
+				$feedback .= '<br />' . sprintf(__('Your backup file: <a href="%1s">%2s</a> should begin downloading shortly.','wp-db-backup'), WP_BACKUP_URL . "{$this->backup_file}", $this->backup_file);
+				break;
+			case 'smtp':
+				if (! is_email($_POST['backup_recipient'])) {
+					$feedback .= get_option('admin_email');
+				} else {
+					$feedback .= $_POST['backup_recipient'];
+				}
+				$feedback = '<br />' . sprintf(__('Your backup has been emailed to %s','wp-db-backup'), $feedback);
+				break;
+			case 'none':
+				$feedback .= '<br />' . __('Your backup file has been saved on the server. If you would like to download it now, right click and select "Save As"','wp-db-backup');
+				$feedback .= ':<br /> <a href="' . WP_BACKUP_URL . "$file\">$file</a> : " . sprintf(__('%s bytes','wp-db-backup'), filesize($this->backup_dir . $file));
+			}
+			$feedback .= '</p></div>';
+		}
+	
+		// security check
+		$this->wp_secure();  
+
+		if (count($this->errors)) {
+			$feedback .= '<div class="updated wp-db-backup-updated error"><p><strong>' . __('The following errors were reported:','wp-db-backup') . '</strong></p>';
+			$feedback .= '<p>' . $this->error_display( 'main', false ) . '</p>';
+			$feedback .= "</p></div>";
+		}
+
+		// did we just save options for wp-cron?
+		if ( (function_exists('wp_schedule_event') || function_exists('wp_cron_init')) 
+			&& isset($_POST['wp_cron_backup_options']) ) :
+			do_action('wp_db_b_update_cron_options');
+			if ( function_exists('wp_schedule_event') ) {
+				wp_clear_scheduled_hook( 'wp_db_backup_cron' ); // unschedule previous
+				$scheds = (array) wp_get_schedules();
+				$name = strval($_POST['wp_cron_schedule']);
+				$interval = ( isset($scheds[$name]['interval']) ) ? 
+					(int) $scheds[$name]['interval'] : 0;
+				update_option('wp_cron_backup_schedule', $name, false);
+				if ( 0 !== $interval ) {
+					wp_schedule_event(time() + $interval, $name, 'wp_db_backup_cron');
+				}
+			}
+			else {
+				update_option('wp_cron_backup_schedule', intval($_POST['cron_schedule']), false);
+			}
+			update_option('wp_cron_backup_tables', isset( $_POST['wp_cron_backup_tables'] ) ? $_POST['wp_cron_backup_tables'] : array() );
+			if (is_email($_POST['cron_backup_recipient'])) {
+				update_option('wp_cron_backup_recipient', $_POST['cron_backup_recipient'], false);
+			}
+			$feedback .= '<div class="updated wp-db-backup-updated"><p>' . __('Scheduled Backup Options Saved!','wp-db-backup') . '</p></div>';
+		endif;
+		
+		$other_tables = array();
+		$also_backup = array();
+	
+		// Get complete db table list	
+		$all_tables = $wpdb->get_results("SHOW TABLES", ARRAY_N);
+		$all_tables = array_map(create_function('$a', 'return $a[0];'), $all_tables);
+		// Get list of WP tables that actually exist in this DB (for 1.6 compat!)
+		$wp_backup_default_tables = array_intersect($all_tables, $this->core_table_names);
+		// Get list of non-WP tables
+		$other_tables = array_diff($all_tables, $wp_backup_default_tables);
+		
+		if ('' != $feedback)
+			echo $feedback;
+
+		if ( ! $this->wp_secure() ) 	
+			return;
+
+		// Give the new dirs the same perms as wp-content.
+//		$stat = stat( ABSPATH . 'wp-content' );
+//		$dir_perms = $stat['mode'] & 0000777; // Get the permission bits.
+		$dir_perms = '0777';
+
+		// the file doesn't exist and can't create it
+		if ( ! file_exists($this->backup_dir) && ! @mkdir($this->backup_dir) ) {
+			?><div class="updated wp-db-backup-updated error"><p><?php _e('WARNING: Your backup directory does <strong>NOT</strong> exist, and we cannot create it.','wp-db-backup'); ?></p>
+			<p><?php printf(__('Using your FTP client, try to create the backup directory yourself: %s', 'wp-db-backup'), '<code>' . $this->backup_dir . '</code>'); ?></p></div><?php
+			$whoops = true;
+		// not writable due to write permissions
+		} elseif ( !is_writable($this->backup_dir) && ! @chmod($this->backup_dir, $dir_perms) ) {
+			?><div class="updated wp-db-backup-updated error"><p><?php _e('WARNING: Your backup directory is <strong>NOT</strong> writable! We cannot create the backup files.','wp-db-backup'); ?></p>
+			<p><?php printf(__('Using your FTP client, try to set the backup directory&rsquo;s write permission to %1$s or %2$s: %3$s', 'wp-db-backup'), '<code>777</code>', '<code>a+w</code>', '<code>' . $this->backup_dir . '</code>'); ?>
+			</p></div><?php 
+			$whoops = true;
+		} else {
+			$this->fp = $this->open($this->backup_dir . 'test' );
+			if( $this->fp ) { 
+				$this->close($this->fp);
+				@unlink($this->backup_dir . 'test' );
+			// the directory is not writable probably due to safe mode
+			} else {
+				?><div class="updated wp-db-backup-updated error"><p><?php _e('WARNING: Your backup directory is <strong>NOT</strong> writable! We cannot create the backup files.','wp-db-backup'); ?></p><?php 
+				if( ini_get('safe_mode') ){
+					?><p><?php _e('This problem seems to be caused by your server&rsquo;s <code>safe_mode</code> file ownership restrictions, which limit what files web applications like WordPress can create.', 'wp-db-backup'); ?></p><?php 
+				}
+				?><?php printf(__('You can try to correct this problem by using your FTP client to delete and then re-create the backup directory: %s', 'wp-db-backup'), '<code>' . $this->backup_dir . '</code>');
+				?></div><?php 
+				$whoops = true;
+			}
+		}
+
+		
+
+		if ( !file_exists($this->backup_dir . 'index.php') )
+			@ touch($this->backup_dir . 'index.php');
+		?><div class='wrap'>
+		<h2><?php _e('Backup','wp-db-backup') ?></h2>
+		<form method="post" action="">
+		<?php if ( function_exists('wp_nonce_field') ) wp_nonce_field($this->referer_check_key); ?>
+		<fieldset class="options"><legend><?php _e('Tables','wp-db-backup') ?></legend>
+		<div class="tables-list core-tables alternate">
+		<h4><?php _e('These core WordPress tables will always be backed up:','wp-db-backup') ?></h4><ul><?php
+		$excs = (array) get_option('wp_db_backup_excs');
+		foreach ($wp_backup_default_tables as $table) {
+			if ( $table == $wpdb->comments ) {
+				$checked = ( isset($excs['spam']) && is_array($excs['spam'] ) && in_array($table, $excs['spam']) ) ? ' checked=\'checked\'' : '';
+				echo "<li><input type='hidden' name='core_tables[]' value='$table' /><code>$table</code> <span class='instructions'> <input type='checkbox' name='exclude-spam[]' value='$table' $checked /> " . __('Exclude spam comments', 'wp-db-backup') . '</span></li>';
+			} elseif ( function_exists('wp_get_post_revisions') && $table == $wpdb->posts ) {
+					$checked = ( isset($excs['revisions']) && is_array($excs['revisions'] ) && in_array($table, $excs['revisions']) ) ? ' checked=\'checked\'' : '';
+				echo "<li><input type='hidden' name='core_tables[]' value='$table' /><code>$table</code> <span class='instructions'> <input type='checkbox' name='exclude-revisions[]' value='$table' $checked /> " . __('Exclude post revisions', 'wp-db-backup') . '</span></li>';
+			} else {
+				echo "<li><input type='hidden' name='core_tables[]' value='$table' /><code>$table</code></li>";
+			}
+		}
+		?></ul>
+		</div>
+		<div class="tables-list extra-tables" id="extra-tables-list">
+		<?php 
+		if (count($other_tables) > 0) { 
+			?>
+			<h4><?php _e('You may choose to include any of the following tables:','wp-db-backup'); ?></h4>
+			<ul>
+			<?php
+			foreach ($other_tables as $table) {
+				?>
+				<li><label><input type="checkbox" name="other_tables[]" value="<?php echo $table; ?>" /> <code><?php echo $table; ?></code></label>
+				<?php 
+			}
+			?></ul><?php 
+		}
+		?></div>
+		</fieldset>
+		
+		<fieldset class="options">
+			<legend><?php _e('Backup Options','wp-db-backup'); ?></legend>
+			<p><?php  _e('What to do with the backup file:','wp-db-backup'); ?></p>
+			<ul>
+			<li><label for="do_save">
+				<input type="radio" id="do_save" name="deliver" value="none" style="border:none;" />
+				<?php _e('Save to server','wp-db-backup'); 
+				echo " (<code>" . $this->backup_dir . "</code>)"; ?>
+			</label></li>
+			<li><label for="do_download">
+				<input type="radio" checked="checked" id="do_download" name="deliver" value="http" style="border:none;" />
+				<?php _e('Download to your computer','wp-db-backup'); ?>
+			</label></li>
+			<li><label for="do_email">
+				<input type="radio" name="deliver" id="do_email" value="smtp" style="border:none;" />
+				<?php _e('Email backup to:','wp-db-backup'); ?>
+				<input type="text" name="backup_recipient" size="20" value="<?php 
+					$backup_recip = get_option('wpdb_backup_recip');
+					if ( empty( $backup_recip ) ) {
+						$backup_recip = get_option('admin_email');
+					}
+
+					echo $backup_recip; ?>" />
+			</label></li>
+			</ul>
+			<?php if ( ! $whoops ) : ?>
+			<input type="hidden" name="do_backup" id="do_backup" value="backup" /> 
+			<p class="submit">
+				<input type="submit" name="submit" onclick="document.getElementById('do_backup').value='fragments';" value="<?php _e('Backup now!','wp-db-backup'); ?>" />
+			</p>
+			<?php else : ?>
+				<div class="updated wp-db-backup-updated error"><p><?php _e('WARNING: Your backup directory is <strong>NOT</strong> writable!','wp-db-backup'); ?></p></div>
+			<?php endif; // ! whoops ?>
+		</fieldset>
+		<?php do_action('wp_db_b_backup_opts'); ?>
+		</form>
+		
+		<?php
+		// this stuff only displays if some sort of wp-cron is available 
+		$cron = ( function_exists('wp_schedule_event') ) ? true : false; // wp-cron in WP 2.1+
+		$cron_old = ( function_exists('wp_cron_init') && ! $cron ) ? true : false; // wp-cron plugin by Skippy
+		if ( $cron_old || $cron ) :
+			echo '<fieldset class="options"><legend>' . __('Scheduled Backup','wp-db-backup') . '</legend>';
+			$datetime = get_option('date_format') . ' ' . get_option('time_format');
+			if ( $cron ) :
+				$next_cron = wp_next_scheduled('wp_db_backup_cron');
+				if ( ! empty( $next_cron ) ) :
+					?>
+					<p id="backup-time-wrap">
+					<?php printf(__('Next Backup: %s','wp-db-backup'), '<span id="next-backup-time">' . gmdate($datetime, $next_cron + (get_option('gmt_offset') * 3600)) . '</span>'); ?>
+					</p>
+					<?php 
+				endif;
+			elseif ( $cron_old ) :
+				?><p><?php printf(__('Last WP-Cron Daily Execution: %s','wp-db-backup'), gmdate($datetime, get_option('wp_cron_daily_lastrun') + (get_option('gmt_offset') * 3600))); ?><br /><?php 
+				printf(__('Next WP-Cron Daily Execution: %s','wp-db-backup'), gmdate($datetime, (get_option('wp_cron_daily_lastrun') + (get_option('gmt_offset') * 3600) + 86400))); ?></p><?php 
+			endif;
+			?><form method="post" action="">
+			<?php if ( function_exists('wp_nonce_field') ) wp_nonce_field($this->referer_check_key); ?>
+			<div class="tables-list">
+			<h4><?php _e('Schedule: ','wp-db-backup'); ?></h4>
+			<?php 
+			if ( $cron_old ) :
+				$wp_cron_backup_schedule = get_option('wp_cron_backup_schedule');
+				$schedule = array(0 => __('None','wp-db-backup'), 1 => __('Daily','wp-db-backup'));
+				foreach ($schedule as $value => $name) {
+					echo ' <input type="radio" style="border:none;" name="cron_schedule"';
+					if ($wp_cron_backup_schedule == $value) {
+						echo ' checked="checked" ';
+					}
+					echo 'value="' . $value . '" /> ' . $name;
+				}
+			elseif ( $cron ) :
+				echo apply_filters('wp_db_b_schedule_choices', wp_get_schedules() );
+			endif;
+			$cron_recipient = get_option('wp_cron_backup_recipient');
+			if (! is_email($cron_recipient)) {
+				$cron_recipient = get_option('admin_email');
+			}
+			$cron_recipient_input = '<p><label for="cron_backup_recipient">' . __('Email backup to:','wp-db-backup') . ' <input type="text" name="cron_backup_recipient" id="cron_backup_recipient" size="20" value="' . $cron_recipient . '" /></label></p>';
+			echo apply_filters('wp_db_b_cron_recipient_input', $cron_recipient_input);
+			echo '<p class="submit"><input type="submit" name="submit" value="' . __('Schedule backup','wp-db-backup') . '" /></p>';
+			echo '</div>';
+			$cron_tables = get_option('wp_cron_backup_tables');
+			if (! is_array($cron_tables)) {
+				$cron_tables = array();
+			}
+			if (count($other_tables) > 0) {
+				echo '<div class="tables-list alternate" id="include-tables-list">';
+				echo '<h4>' . __('Tables to include in the scheduled backup:','wp-db-backup') . '</h4><ul>';
+				foreach ($other_tables as $table) {
+					echo '<li><input type="checkbox" ';
+					if (in_array($table, $cron_tables)) {
+						echo 'checked="checked" ';
+					}
+					echo "name='wp_cron_backup_tables[]' value='{$table}' /> <code>{$table}</code></li>";
+				}
+				echo '</ul></div>';
+			}
+			echo '<input type="hidden" name="wp_cron_backup_options" value="SET" /></form>';
+			echo '</fieldset>';
+		endif; // end of wp_cron (legacy) section
+		
+		echo '</div><!-- .wrap -->';
+		
+	} // end wp_backup_menu()
+
+	function get_sched() {
+		$options = array_keys( (array) wp_get_schedules() );
+		$freq = get_option('wp_cron_backup_schedule'); 
+		$freq = ( in_array( $freq , $options ) ) ? $freq : 'never';
+		return $freq;
+	}
+
+	function schedule_choices($schedule) { // create the cron menu based on the schedule
+		$wp_cron_backup_schedule = $this->get_sched();
+		$next_cron = wp_next_scheduled('wp_db_backup_cron');
+		$wp_cron_backup_schedule = ( empty( $next_cron ) ) ? 'never' : $wp_cron_backup_schedule;
+		$sort = array();
+		foreach ( (array) $schedule as $key => $value ) $sort[$key] = $value['interval'];
+		asort( $sort );
+		$schedule_sorted = array();
+		foreach ( (array) $sort as $key => $value ) $schedule_sorted[$key] = $schedule[$key];
+		$menu = '<ul>';
+		$schedule = array_merge( array( 'never' => array( 'interval' => 0, 'display' => __('Never','wp-db-backup') ) ),
+			(array) $schedule_sorted );
+		foreach ( $schedule as $name => $settings) {
+			$interval = (int) $settings['interval'];
+			if ( 0 == $interval && ! 'never' == $name ) continue;
+			$display = ( ! '' == $settings['display'] ) ? $settings['display'] : sprintf(__('%s seconds','wp-db-backup'),$interval);
+			$menu .= "<li><input type='radio' name='wp_cron_schedule' style='border:none;' ";
+			if ($wp_cron_backup_schedule == $name) {
+				$menu .= " checked='checked' ";
+			}
+			$menu .= "value='$name' /> $display</li>";
+		}
+		$menu .= '</ul>';
+		return $menu;
+	} // end schedule_choices()
+	
+	function wp_cron_daily() { // for legacy cron plugin
+		$schedule = intval(get_option('wp_cron_backup_schedule'));
+		// If scheduled backup is disabled
+		if (0 == $schedule)
+		        return;
+		else return $this->cron_backup();
+	} 
+
+	function cron_backup() {
+		global $table_prefix, $wpdb;
+		$all_tables = $wpdb->get_results("SHOW TABLES", ARRAY_N);
+		$all_tables = array_map(create_function('$a', 'return $a[0];'), $all_tables);
+		$core_tables = array_intersect($all_tables, $this->core_table_names);
+		$other_tables = get_option('wp_cron_backup_tables');
+		$recipient = get_option('wp_cron_backup_recipient');
+		$backup_file = $this->db_backup($core_tables, $other_tables);
+		if (false !== $backup_file) 
+			return $this->deliver_backup($backup_file, 'smtp', $recipient, 'main');
+		else return false;
+	}
+
+	function add_sched_options($sched) {
+		$sched['weekly'] = array('interval' => 604800, 'display' => __('Once Weekly','wp-db-backup'));
+		return $sched;
+	}
+
+	/**
+	 * Checks that WordPress has sufficient security measures 
+	 * @param string $kind
+	 * @return bool
+	 */
+	function wp_secure($kind = 'warn', $loc = 'main') {
+		global $wp_version;
+		if ( function_exists('wp_verify_nonce') ) return true;
+		else {
+			$this->error(array('kind' => $kind, 'loc' => $loc, 'msg' => sprintf(__('Your WordPress version, %1s, lacks important security features without which it is unsafe to use the WP-DB-Backup plugin.  Hence, this plugin is automatically disabled.  Please consider <a href="%2s">upgrading WordPress</a> to a more recent version.','wp-db-backup'),$wp_version,'http://wordpress.org/download/')));
+			return false;
+		}
+	}
+
+	/**
+	 * Checks that the user has sufficient permission to backup
+	 * @param string $loc
+	 * @return bool
+	 */
+	function can_user_backup($loc = 'main') {
+		$can = false;
+		// make sure WPMU users are site admins, not ordinary admins
+		if ( function_exists('is_site_admin') && ! is_site_admin() )
+			return false;
+		if ( ( $this->wp_secure('fatal', $loc) ) && current_user_can('import') )
+			$can = $this->verify_nonce($_REQUEST['_wpnonce'], $this->referer_check_key, $loc);
+		if ( false == $can ) 
+			$this->error(array('loc' => $loc, 'kind' => 'fatal', 'msg' => __('You are not allowed to perform backups.','wp-db-backup')));
+		return $can;
+	}
+
+	/**
+	 * Verify that the nonce is legitimate
+	 * @param string $rec 	the nonce received
+	 * @param string $nonce	what the nonce should be
+	 * @param string $loc 	the location of the check
+	 * @return bool
+	 */
+	function verify_nonce($rec = '', $nonce = 'X', $loc = 'main') {
+		if ( wp_verify_nonce($rec, $nonce) )
+			return true;
+		else 
+			$this->error(array('loc' => $loc, 'kind' => 'fatal', 'msg' => sprintf(__('There appears to be an unauthorized attempt from this site to access your database located at %1s.  The attempt has been halted.','wp-db-backup'),get_option('home'))));
+	}
+
+	/**
+	 * Check whether a file to be downloaded is  
+	 * surreptitiously trying to download a non-backup file
+	 * @param string $file
+	 * @return null
+	 */ 
+	function validate_file($file) {
+		if ( (false !== strpos($file, '..')) || (false !== strpos($file, './')) || (':' == substr($file, 1, 1)) )
+			$this->error(array('kind' => 'fatal', 'loc' => 'frame', 'msg' => __("Cheatin' uh ?",'wp-db-backup')));
+	}
+
+}
+
+function wpdbBackup_init() {
+	global $mywpdbbackup;
+	$mywpdbbackup = new wpdbBackup(); 	
+}
+
+add_action('plugins_loaded', 'wpdbBackup_init');
+?>