Using PHP to backup mysql tables/database?

[random1]

Hi All,

 

I have the following code for backing up a database:

 

/**
* Database::backupDatabase()
* Backs up tables, or an entire database.
* @param mixed $host
* @param mixed $username
* @param mixed $password
* @param mixed $databasename
* @param string $tables
* @return void
*/
function backupDatabase($host,$username,$password,$databasename,$tables = '*')
{

	$link = mysql_connect($host,$username,$password);
	mysql_select_db($databasename,$link);

	//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);
	}

	//cycle through
	foreach($tables as $table)
	{
		$result = mysql_query('SELECT * FROM '.$table);
		$num_fields = mysql_num_fields($result);

		$return = '';

		$return.= 'DROP TABLE '.$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] = ereg_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
	$handle = fopen('db-backup-'.time().'-'.(md5(implode(',',$tables))).'.sql','w+');
	fwrite($handle,$return);
	fclose($handle);
}

 

This is currently only backing up 1 table in the database. I am calling the function as such:

 

$database->backupDatabase(CONSTANT_DATABASE_HOST, CONSTANT_DATABASE_USERNAME, CONSTANT_DATABASE_PASSWORD, CONSTANT_DATABASE_NAME);

 

The above CONSTANTS are defined and working.

 

Any hints for doing this? Is there a better method of doing this? I am using mysql with the InnoDB engine.

[redarrow]

 

GO HERE IT ALL SHORT AND EASY........

http://www.php-mysql-tutorial.com/perform-mysql-backup-php.php