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File: mysql_backup.php
<?php
///////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////
/////// SISFOSURAT v1.0                          ///////
/////// Sistem Informasi Surat - Menyurat                    ///////
///////////////////////////////////////////////////////////////////////
/////// Dibuat oleh :                                           ///////
/////// Agus Muhajir, S.Kom                                     ///////
/////// URL 	:                                               ///////
///////     * http://omahbiasawae.com/                          ///////
///////     * http://sisfokol.wordpress.com/                    ///////
///////     * http://hajirodeon.wordpress.com/                  ///////
///////     * http://yahoogroup.com/groups/sisfokol/            ///////
///////     * http://yahoogroup.com/groups/linuxbiasawae/       ///////
/////// E-Mail	:                                               ///////
///////     * hajirodeon@yahoo.com                              ///////
///////     * hajirodeon@gmail.com                              ///////
/////// HP/SMS/WA : 081-829-88-54                               ///////
///////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////



	/**
	 * @name : MYSQL_DUMP
	 * @author : Harish Chauhan
	 * @copyright : Freeware
	 *
	 * About : This script can take backup of mysql database.
	 * dan dimodifikasi oleh : Agus Muhajir,S.Kom [hajirodeon@yahoo.com]
	 *		untuk SISFOKOL.
	 */

	define("HAR_LOCK_TABLE",1);
	define("HAR_FULL_SYNTAX",2);
	define("HAR_DROP_TABLE",4);
	define("HAR_NO_STRUCT",8);
	define("HAR_NO_DATA",16);
	define("HAR_ALL_OPTIONS",HAR_LOCK_TABLE | HAR_FULL_SYNTAX | HAR_DROP_TABLE );

	define("HAR_ALL_DB",1);
	define("HAR_ALL_TABLES",1);

	define('OS_Unix','u');
	define('OS_Windows','w');
	define('OS_Mac','m');


	class MYSQL_DUMP
	{
		var $dbhost = "";
		var $dbuser = "";
		var $dbpwd = "";
		var $database = null;
		var $tables = null;

		var $conn = null;
		var $result = null;
		var $error = "";
		var $OS_FullName = null;
		var $lineEnd = null;
		var $OS_local = "";


		/**
		 * Class Object
		 *
		 * @param String: $host
		 * @param String: $user
		 * @param String: $dbpwd
		 * @return MYSQL_DUMP
		 */
		function MYSQL_DUMP($host="",$user="",$dbpwd="")
		{
			$this->setDBHost($host,$user,$dbpwd);

			$this->OS_FullName=array(OS_Unix => 'UNIX',OS_Windows => 'WINDOWS',OS_Mac => 'MACOS');
			$this->lineEnd=array(OS_Unix => "\n",OS_Mac => "\r",OS_Windows => "\r\n");

			$this->OS_local=OS_Unix;
			if(strtoupper(substr(PHP_OS, 0, 3)) === 'WIN')
				$this->OS_local=OS_Windows;
			elseif(strtoupper(substr(PHP_OS, 0, 3)) === 'MAC')
				$this->OS_local=OS_Mac;

		}

		/**
		 * Set the database connection parameters
		 *
		 * @param String: $host
		 * @param String: $user
		 * @param String: $dbpwd
		 */
		function setDBHost($host,$user,$dbpwd)
		{
			$this->dbhost = $host;
			$this->dbuser = $user;
			$this->dbpwd = $dbpwd;
		}

		/**
		 * Return last error
		 *
		 * @return String
		 */
		function error()
		{
			return $this->error;
		}

		/**
		 * Take backup of the database
		 *
		 * @param Mixed $database (It can be string seperated by coma (,) or single database name on an array of database names
		 * @param Mixed $tables (It can be string seperated by coma (,) or single table name on an array of table names
		 * @param Int $options
		 * @return String SQL Commands
		 */
		function dumpDB($database = HAR_ALL_DB, $tables = HAR_ALL_TABLES,$options = HAR_ALL_OPTIONS)
		{
			$this->_connect();

			if(empty($database))
			{
				$this->error = "Specify the database.";
				return false;
			}

			if(empty($tables))
			{
				$this->error = "Specify the tables.";
				return false;
			}

			if($database == HAR_ALL_DB)
			{
				$sql = "SHOW DATABASES";
				$this->result = @mysqli_query($sql);
				if(mysqli_error()!=="")
				{
					$this->error="Error : ".mysqli_error();
					return false;
				}

				while($row = mysqli_fetch_array($this->result,MYSQL_NUM))
				{
					$this->database[]=$row[0];
				}
			}
			else if(is_string($database))
			{
				$this->database = @explode(",",$database);
			}

			$lineEnd = $this->lineEnd[$this->OS_local];
			$returnSql = "# MySql Dump Backup untuk SISFOKOL (oleh : Agus Muhajir [hajirodeon@yahoo.com])".$lineEnd ;
			$returnSql .= "# Host:".$this->dbhost.$lineEnd;
			$returnSql .= "# Database:".$database.$lineEnd;
			$returnSql .= "# -------------------------------------------------".$lineEnd;

			$sql = "SELECT VERSION()";
			$this->result = mysqli_query($sql);
			$row = mysqli_fetch_array($this->result,MYSQL_NUM);
			$returnSql .= "# Server version ".$row[0].$lineEnd.$lineEnd;



			for($i=0; $i < count($this->database) ; $i++)
			{
				if(count($this->database)>1)
					$returnSql.= "USE ".$this->database[$i].";".$lineEnd.$lineEnd;

				$this->result = @mysqli_query($koneksi, "USE ".$this->database[$i]);
				if(mysqli_error()!=="")
				{
					$this->error="Error : ".mysqli_error();
					return false;
				}

				$this->tables=array();
				if($tables == HAR_ALL_TABLES)
				{
					$sql = "SHOW Tables";
					$this->result = @mysqli_query($sql);
					if(mysqli_error()!=="")
					{
						$this->error="Error : ".mysqli_error();
						return false;
					}

					while($row = mysqli_fetch_array($this->result,MYSQL_NUM))
					{
						$this->tables[]=$row[0];
					}
				}
				else if(is_string($tables))
				{
					$this->tables = @explode(",",$tables);
				}
				for($j=0 ; $j < count($this->tables) ; $j++)
				{
					if(($options & HAR_NO_STRUCT ) != HAR_NO_STRUCT)
					{
						$sql = "SHOW CREATE TABLE ".$this->tables[$j];
						$this->result = @mysqli_query($sql);
						if(mysqli_error()!=="")
						{
							$this->error="Error : ".mysqli_error();
							return false;
						}
						$row = mysqli_fetch_array($this->result,MYSQL_NUM);


						$returnSql .= " #".$lineEnd;
						$returnSql .= " # Table structure for table '".$this->tables[$j]."'".$lineEnd;
						$returnSql .= " #".$lineEnd.$lineEnd;

						if(($options & HAR_DROP_TABLE) == HAR_DROP_TABLE)
							$returnSql .= "DROP TABLE IF EXISTS ".$this->tables[$j].";".$lineEnd;
						$returnSql .= $row[1].";".$lineEnd.$lineEnd.$lineEnd;
					}

					if(($options & HAR_NO_DATA ) != HAR_NO_DATA )
					{
						$returnSql .= " #".$lineEnd;
						$returnSql .= " # Dumping data for table '".$this->tables[$j]."'".$lineEnd;
						$returnSql .= " #".$lineEnd.$lineEnd;

						if(($options & HAR_LOCK_TABLE ) == HAR_LOCK_TABLE )
							$returnSql .= "LOCK TABLES ".$this->tables[$j]." WRITE;".$lineEnd;

						$temp_sql = "INSERT INTO ".$this->tables[$j];
						if(($options & HAR_FULL_SYNTAX == HAR_FULL_SYNTAX))
						{
							$sql="SHOW COLUMNS FROM ".$this->tables[$j];
							$this->result = @mysqli_query($sql);
							if(mysqli_error()!=="")
							{
								$this->error="Error : ".mysqli_error();
								return false;
							}
							$fields = array();
							while($row = mysqli_fetch_array($this->result,MYSQL_NUM))
							{
								$fields[]=$row[0];
							}
							$temp_sql.=' ('.@implode(',',$fields).')';
						}

						$sql="SELECT * FROM ".$this->tables[$j];
						$this->result = @mysqli_query($sql);
						if(mysqli_error()!=="")
						{
							$this->error="Error : ".mysqli_error();
							return false;
						}
						while($row = mysqli_fetch_array($this->result,MYSQL_NUM))
						{
							foreach($row as $key => $value)
								$row[$key] = mysqli_escape_string($value);

							$returnSql .=$temp_sql.' VALUES ("'.@implode('","',$row).'");'.$lineEnd;
						}
						if(($options & HAR_LOCK_TABLE ) == HAR_LOCK_TABLE )
							$returnSql .= "UNLOCK TABLES;".$lineEnd;

					}
					$returnSql .=$lineEnd.$lineEnd;
				}
			}
			return $returnSql;
		}

		/**
		 * Save the sql file on server
		 *
		 * @param String $sql
		 * @param String $sqlfile
		 * @return Boolean
		 */
		function save_sql($sql,$sqlfile="")
		{
			if(empty($sqlfile))
			{
				$sqlfile = @implode("_",$this->database).".sql";
			}
			$fp = @fopen($sqlfile,"wb");
			if(!is_resource($fp))
			{
				$this->error = "Error: Unable to save file.";
				return false;
			}
			@fwrite($fp,$sql);
			@fclose($fp);
			return true;
		}

		/**
		 * force to download the sql file
		 *
		 * @param String $sql
		 * @param String $sqlfile
		 * @return Boolean
		 */
		function download_sql($sql,$sqlfile="")
		{
			if(empty($sqlfile))
			{
				$sqlfile = @implode("_",$this->database).".sql";
			}
			@header("Cache-Control: ");// leave blank to avoid IE errors
			@header("Pragma: ");// leave blank to avoid IE errors
			@header("Content-type: application/octet-stream");
			@header("Content-type: application/octet-stream");
			@header("Content-Disposition: attachment; filename=".$sqlfile);
			echo $sql;
		}


		function _connect()
		{
			if(!is_resource($this->conn))
				$this->conn = @mysqli_connect($this->dbhost,$this->dbuser,$this->dbpwd);
			if(!is_resource($this->conn))
			{
				$this->error = mysqli_error();
				return false;
			}
			return $this->conn;
		}

	}
?>