MySQLDumper

Is a PHP and Perl based tool for backing up MySQL databases.

http://www.mysqldumper.net/

otherwise use :

<?php

//ref : http://davidwalsh.name/backup-mysql-database-php

backup_tables('localhost','x','x','x');

/* backup the db OR just a table */
function backup_tables($host,$user,$pass,$name,$tables = '*')
{

	$link = mysql_connect($host,$user,$pass);
	mysql_select_db($name,$link);
	mysql_query("SET character_set_results = 'utf8', character_set_client = 'utf8', character_set_connection = 'utf8', character_set_database = 'utf8', character_set_server = '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);
	}

	//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] = 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";
	}

	//------------ /* Backup Procedure structure*/
	$result = mysql_query('SHOW PROCEDURE STATUS');
	while($row = mysql_fetch_row($result)) {
		 $procedures[] = $row[1];
	}

	foreach($procedures as $proc)
	{
		$return.= "\n\nDELIMITER $$\n\n";
		$return.= "DROP PROCEDURE IF EXISTS $name.$proc$$\n";
		$rowX = mysql_fetch_row(mysql_query("SHOW CREATE PROCEDURE $proc"));
		$return.= "\n".$rowX[2]."$$\n\n";
		$return.= "DELIMITER ;\n\n";
	}
	//------------ /* Backup Procedure structure*/

	//save file
	// $handle = fopen('db-backup-'.time().'-'.(md5(implode(',',$tables))).'.sql','w+');
	// fwrite($handle,$return);
	// fclose($handle);

	header('Content-Type: text/html; charset=utf-8');

	echo $return;
}
?>