<?php

function backupDatabaseTables($dbHost,$dbUsername,$dbPassword,$dbName,$tables = '*'){
//connect & select the database
$db = new mysqli($dbHost, $dbUsername, $dbPassword, $dbName);

//get all of the tables
if($tables == '*'){
$tables = array();
$result = $db->query("SHOW TABLES");
while($row = $result->fetch_row()){
$tables[] = $row[0];
}
}else{
$tables = is_array($tables)?$tables:explode(',',$tables);
}

//loop through the tables
foreach($tables as $table){
$result = $db->query("SELECT * FROM $table");
$numColumns = $result->field_count;

$return .= "DROP TABLE $table;";

$result2 = $db->query("SHOW CREATE TABLE $table");
$row2 = $result2->fetch_row();

$return .= "nn".$row2[1].";nn";

for($i = 0; $i < $numColumns; $i++){
while($row = $result->fetch_row()){
$return .= "INSERT INTO $table VALUES(";
for($j=0; $j < $numColumns; $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 < ($numColumns-1)) { $return.= ','; }
}
$return .= ");n";
}
}

$return .= "nnn";
}

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


// Kullanımı
backupDatabaseTables('localhost','root','sifre','dbadi');


?>