Backup Your MySQL Database Using PHP

Here is the script to backup MySql database using php. Cheers!



‹?php  
// Check via PhpMyAdmin to see what character database is using
mysql_query('SET NAMES utf8');
mysql_query('SET CHARACTER SET utf8');
$tables = '*';
//get all of the tables
if($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);
}
//cycle through
foreach($tables as $table)
{
    $result = mysql_query('SELECT * FROM '.$table);
    $num_fields = mysql_num_fields($result);
    $return.= 'DROP TABLE '.$table.';';
    $row2 = mysql_fetch_row(mysql_query('SHOW CREATE TABLE '.$table));
    $return.= "\n\n".$row2[1].";\n\n";
    for ($i = 0; $i < $num_fields; $i++)
    {
        while($row = mysql_fetch_row($result))
        {
            $return.= 'INSERT INTO '.$table.' VALUES('; for($j=0; $j<$num_fields; $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<($num_fields-1))
            {
                $return.= ',';
            }
        }  
        $return.= ");\n";
    }
}
$return.="\n\n\n";
}
//save file
$handle = fopen('backups/db-backup-'.date('Y-m-d H:i:s').'-'.(md5(implode(',',$tables))).'.sql','w+'); fwrite($handle,$return); fclose($handle); if($handle)
{
    echo "database is successfully stored in backups directory.";
}
else
{
    echo "database backup unsuccessfuly.";
}


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