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- <?php
- //MySQL server and database
- $dbhost = 'localhost';
- $dbuser = 'root';
- $dbpass = '';
- $dbname = 'DB_NAME';
- $tables = '*';
- //Call the core function
- backup_tables($dbhost, $dbuser, $dbpass, $dbname, $tables);
- //Core function
- function backup_tables($host, $user, $pass, $dbname, $tables = '*') {
- $link = mysqli_connect($host,$user,$pass, $dbname);
- // Check connection
- if (mysqli_connect_errno())
- {
- echo "Failed to connect to MySQL: " . mysqli_connect_error();
- exit;
- }
- mysqli_query($link, "SET NAMES 'utf8'");
- //get all of the tables
- if($tables == '*')
- {
- $tables = array();
- $result = mysqli_query($link, 'SHOW TABLES');
- while($row = mysqli_fetch_row($result))
- {
- $tables[] = $row[0];
- }
- }
- else
- {
- $tables = is_array($tables) ? $tables : explode(',',$tables);
- }
- $return = '';
- //cycle through
- foreach($tables as $table)
- {
- $result = mysqli_query($link, 'SELECT * FROM '.$table);
- $num_fields = mysqli_num_fields($result);
- $num_rows = mysqli_num_rows($result);
- $return.= 'DROP TABLE IF EXISTS '.$table.';';
- $row2 = mysqli_fetch_row(mysqli_query($link, 'SHOW CREATE TABLE '.$table));
- $return.= "\n\n".$row2[1].";\n\n";
- $counter = 1;
- //Over tables
- for ($i = 0; $i < $num_fields; $i++)
- { //Over rows
- while($row = mysqli_fetch_row($result))
- {
- if($counter == 1){
- $return.= 'INSERT INTO '.$table.' VALUES(';
- } else{
- $return.= '(';
- }
- //Over fields
- for($j=0; $j<$num_fields; $j++)
- {
- $row[$j] = addslashes($row[$j]);
- $row[$j] = str_replace("\n","\\n",$row[$j]);
- if (isset($row[$j])) { $return.= '"'.$row[$j].'"' ; } else { $return.= '""'; }
- if ($j<($num_fields-1)) { $return.= ','; }
- }
- if($num_rows == $counter){
- $return.= ");\n";
- } else{
- $return.= "),\n";
- }
- ++$counter;
- }
- }
- $return.="\n\n\n";
- }
- //save file
- $fileName = 'db-backup-'.time().'-'.(md5(implode(',',$tables))).'.txt';
- $handle = fopen($fileName,'w+');
- fwrite($handle,$return);
- if(fclose($handle)){
- echo "Done, the file name is: ".$fileName;
- exit;
- }
- }
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