<?php 
//error_reporting(0);
$dbhost = 'localhost';
$dbuser = 'root';
$dbpass = '';
$dbname = 'shop';

function backup_tables($host,$user,$pass,$name,$tables = '*')
{
	
	$link = mysql_connect($host,$user,$pass);
	mysql_select_db($name,$link);
	mysql_query("SET NAMES 'utf8'");
	
	//get all of the tables
	if($tables == '*')
	{
		$tables = array();
		$result = mysql_query('SHOW TABLES');
		while($row = mysql_fetch_row($result))
		{
			$tables[] = $row[0];
		}
	}
	else
	{
		$tables = is_array($tables) ? $tables : explode(',',$tables);
	}
	$return='';
	//cycle through
	foreach($tables as $table)
	{
		$result = mysql_query('SELECT * FROM '.$table);
		$num_fields = mysql_num_fields($result);
		
		$return.= 'DROP TABLE '.$table.';';
		$row2 = mysql_fetch_row(mysql_query('SHOW CREATE TABLE '.$table));
		$return.= "\n\n".$row2[1].";\n\n";
		
		for ($i = 0; $i < $num_fields; $i++) 
		{
			while($row = mysql_fetch_row($result))
			{
				$return.= 'INSERT INTO '.$table.' VALUES(';
				for($j=0; $j<$num_fields; $j++) 
				{
					$row[$j] = addslashes($row[$j]);
					$row[$j] = str_replace("\n","\\n",$row[$j]);
					if (isset($row[$j])) { $return.= '"'.$row[$j].'"' ; } else { $return.= '""'; }
					if ($j<($num_fields-1)) { $return.= ','; }
				}
				$return.= ");\n";
			}
		}
		$return.="\n\n\n";
	}
	
	//save file
	$handle = fopen('D:/databasebackup/databasebackup-'.time().'-'.(md5(implode(',',$tables))).'.sql','w+');
	fwrite($handle,$return);
	fclose($handle);
}

backup_tables($dbhost,$dbuser,$dbpass,$dbname);
$today = date("Y-m-d");
$insert1 = mysql_query("insert into backups(bupdate) values
	('$today')");
		if($insert1){
			?>
			<script>window.location="login";</script>
			<?php 
		}

?>