<?php
/*
define("DB_USER", 'root');
define("DB_PASSWORD", '');
define("DB_NAME", 'happy');
define("DB_HOST", 'localhost');
define("OUTPUT_DIR", 'E:\backup'); // Folder / Directory Name
define("TABLES", '*');

		$tms = gmdate("Ymd", time());		
		$name = "db-backup-$tms";

// Instantiate Backup_Database and perform backup 
$backupDatabase = new Backup_Database(DB_HOST, DB_USER, DB_PASSWORD, DB_NAME);
$status = $backupDatabase->backupTables(TABLES, OUTPUT_DIR) ? 'OK' : 'KO';

// The Backup_Database class 

class Backup_Database {
  // Backup the whole database or just some tables Use '*' for whole database or 'table1 table2 table3...' @param string $tables  

  public function backupTables($tables = '*', $outputDir = '.') {
    try {
      // Tables to export  
      if ($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);
      }

      $sql = 'CREATE DATABASE IF NOT EXISTS ' . $this->dbName . ";\n\n";
      $sql .= 'USE ' . $this->dbName . ";\n\n";

  // Iterate tables 
  foreach ($tables as $table) {
   // echo "Backing up " . $table . " table...";

    $result = mysql_query('SELECT * FROM ' . $table);
    $numFields = mysql_num_fields($result);

    $sql .= 'DROP TABLE IF EXISTS ' . $table . ';';
    $row2 = mysql_fetch_row(mysql_query('SHOW CREATE TABLE ' . $table));
    $sql.= "\n\n" . $row2[1] . ";\n\n";

    for ($i = 0; $i < $numFields; $i++) {
      while ($row = mysql_fetch_row($result)) {
        $sql .= 'INSERT INTO ' . $table . ' VALUES(';
        for ($j = 0; $j < $numFields; $j++) {
          $row[$j] = addslashes($row[$j]);
          // $row[$j] = ereg_replace("\n", "\\n", $row[$j]);
          if (isset($row[$j])) {
            $sql .= '"' . $row[$j] . '"';
          } else {
            $sql.= '""';
          }
          if ($j < ($numFields - 1)) {
            $sql .= ',';
          }
        }
        $sql.= ");\n";
      }
    }
    $sql.="\n\n\n";
 //   echo " OK <br/><br/>" . "";
  }
} catch (Exception $e) {
  var_dump($e->getMessage());
  return false;
 }

    return $this->saveFile($sql, $outputDir);
  }

  // Save SQL to file @param string $sql 

  protected function saveFile(&$sql, $outputDir = '.') {
    if (!$sql)
      return false;

    try {
      $handle = fopen($outputDir . '/db-backup-' . gmdate("Ymd", time()) . '.sql', 'w+');
      fwrite($handle, $sql);
      fclose($handle);
    } catch (Exception $e) {
      var_dump($e->getMessage());
      return false;
    }
    return true;
  }

}
*/
?>
