<?
$db_hostname = "localhost";
$db_database = "hausplus_site";
$db_username = "root";
$db_password = "123456";
$DBH = new PDO("mysql:host=$db_hostname;dbname=$db_database; charset=utf8", $db_username, $db_password);




//put table names you want backed up in this array.
//leave empty to do all
$tables = array();

backup_tables($DBH, $tables);



function backup_tables($DBH, $tables) {

$DBH->setAttribute(PDO::ATTR_ORACLE_NULLS, PDO::NULL_TO_STRING );

//Script Variables
$compression = false;
$BACKUP_PATH = "";
$nowtimename = time();


//create/open files
if ($compression) {
$zp = gzopen($BACKUP_PATH.$nowtimename.'.sql.gz', "w9");
} else {
$handle = fopen($BACKUP_PATH.$nowtimename.'.sql','a+');
}


//array of all database field types which just take numbers 
$numtypes=array('tinyint','smallint','mediumint','int','bigint','float','double','decimal','real');

//get all of the tables
if(empty($tables)) {
$pstm1 = $DBH->query('SHOW TABLES');
while ($row = $pstm1->fetch(PDO::FETCH_NUM)) {
$tables[] = $row[0];
}
} else {
$tables = is_array($tables) ? $tables : explode(',',$tables);
}

//cycle through the table(s)

foreach($tables as $table) {
$result = $DBH->query('SELECT * FROM '.$table);
$num_fields = $result->columnCount();
$num_rows = $result->rowCount();

$return="";
//uncomment below if you want 'DROP TABLE IF EXISTS' displayed
//$return.= 'DROP TABLE IF EXISTS `'.$table.'`;'; 


//table structure
$pstm2 = $DBH->query('SHOW CREATE TABLE '.$table);
$row2 = $pstm2->fetch(PDO::FETCH_NUM);
$ifnotexists = str_replace('CREATE TABLE', 'CREATE TABLE IF NOT EXISTS', $row2[1]);
$return.= "\n\n".$ifnotexists.";\n\n";


if ($compression) {
gzwrite($zp, $return);
} else {
fwrite($handle,$return);
}
$return = "";

//insert values
if ($num_rows){
$return= 'INSERT INTO `'.$table."` (";
$pstm3 = $DBH->query('SHOW COLUMNS FROM '.$table);
$count = 0;
$type = array();

while ($rows = $pstm3->fetch(PDO::FETCH_NUM)) {

if (stripos($rows[1], '(')) {$type[$table][] = stristr($rows[1], '(', true);
} else $type[$table][] = $rows[1];

$return.= $rows[0];
$count++;
if ($count < ($pstm3->rowCount())) {
$return.= ", ";
}
}

$return.= ")".' VALUES';

if ($compression) {
gzwrite($zp, $return);
} else {
fwrite($handle,$return);
}
$return = "";
}

while($row = $result->fetch(PDO::FETCH_NUM)) {
$return= "\n\t(";
for($j=0; $j<$num_fields; $j++) {
$row[$j] = addslashes($row[$j]);
//$row[$j] = preg_replace("\n","\\n",$row[$j]);


if (isset($row[$j])) {
//if number, take away "". else leave as string
if (in_array($type[$table][$j], $numtypes)) $return.= $row[$j] ; else $return.= '"'.$row[$j].'"' ;
} else {
$return.= '""';
}
if ($j<($num_fields-1)) {
$return.= ',';
}
}
$count++;
if ($count < ($result->rowCount())) {
$return.= "),";
} else {
$return.= ");";

}
if ($compression) {
gzwrite($zp, $return);
} else {
fwrite($handle,$return);
}
$return = "";
}
$return="\n\n-- ------------------------------------------------ \n\n";
if ($compression) {
gzwrite($zp, $return);
} else {
fwrite($handle,$return);
}
$return = "";
}



$error1= $pstm2->errorInfo();
$error2= $pstm3->errorInfo();
$error3= $result->errorInfo();
echo $error1[2];
echo $error2[2];
echo $error3[2];


if ($compression) {
gzclose($zp);
} else {
fclose($handle);
}
}