[aligilani1986]

سلام.

مدتي دنبال يك كد براي پشتيبان گيري از mysql ميگشتم.

اين كد رو داخل يك فايل بگذاريد و تابع backup را صدا بزنيد.
host: _DBHOST
username mysql : _DBUSER
password : _DBPASS
dbname : _DBNAME

کد PHP:

        function my_handler($sql_insert)
        {
            global $crlf;
            echo "$sql_insert;$crlf";
        }

        // Get the content of $table as a series of INSERT statements.
        // After every row, a custom callback function $handler gets called.
        // $handler must accept one parameter ($sql_insert);
        function get_table_content($db, $table, $handler)
        {
            $link = mysql_connect(_DBHOST,_DBUSER,_DBPASS);
                   mysql_select_db(_DBNAME,$link);
            
           $result = mysql_db_query($db, "SELECT * FROM $table",$link) or mysql_die();
            $i = 0;
            while($row = mysql_fetch_row($result))
            {
                //        set_time_limit(60); // HaRa
                $table_list = "(";

                for($j=0; $j<mysql_num_fields($result);$j++)
                $table_list .= "`".mysql_field_name($result,$j)."`, ";

                $table_list = substr($table_list,0,-2);
                $table_list .= ")";
 
                $schema_insert = "\n INSERT INTO `$table` $table_list VALUES (";
             

                for($j=0; $j<mysql_num_fields($result);$j++)
                {
                    if(!isset($row[$j]))
                    $schema_insert .= " NULL,";
                    elseif($row[$j] != "")
                    $schema_insert .= " '".addslashes($row[$j])."',";
                    else
                    $schema_insert .= " '',";
                }
                $schema_insert = ereg_replace(",$", "", $schema_insert);
                $schema_insert .= ")";
                $handler(trim($schema_insert));
                $i++;
            }
            return (true);
        }

        // Return $table's CREATE definition
        // Returns a string containing the CREATE statement on success
        function get_table_def($db, $table, $crlf)
        { 
            $link = mysql_connect(_DBHOST,_DBUSER,_DBPASS);
                   mysql_select_db(_DBNAME,$link);
    
            $schema_create = "";
            //$schema_create .= "DROP TABLE IF EXISTS $table;$crlf";
            $schema_create .= " \n CREATE TABLE  IF NOT EXISTS  `$table` ($crlf";

            $result = mysql_db_query($db, "SHOW FIELDS FROM $table",$link) or mysql_die();
            while($row = mysql_fetch_array($result))
            {
                $schema_create .= "   `$row[Field]` $row[Type]";

                if(isset($row["Default"]) && (!empty($row["Default"]) || $row["Default"] == "0"))
                $schema_create .= " DEFAULT '$row[Default]'";
                if($row["Null"] != "YES")
                $schema_create .= " NOT NULL";
                if($row["Extra"] != "")
                $schema_create .= " $row[Extra]";
                $schema_create .= ",$crlf";
            }
            $schema_create = ereg_replace(",".$crlf."$", "", $schema_create);
            $result = mysql_db_query($db, "SHOW KEYS FROM $table",$link) or mysql_die();
            while($row = mysql_fetch_array($result))
            {
                $kname=$row['Key_name'];
                if(($kname != "PRIMARY") && ($row['Non_unique'] == 0))
                $kname="UNIQUE|$kname";
                if(!isset($index[$kname]))
                $index[$kname] = array();
                $index[$kname][] = $row['Column_name'];
            }

            while(list($x, $columns) = @each($index))
            {
                $schema_create .= ",$crlf";
                if($x == "PRIMARY")
                $schema_create .= "   PRIMARY KEY (`" . implode($columns, ", ") . "`)";
                elseif (substr($x,0,6) == "UNIQUE")
                $schema_create .= "   UNIQUE ".substr($x,7)." (`" . implode($columns, ", ") . "`)";
                else
                $schema_create .= "   KEY $x (`" . implode($columns, ", ") . "`)";
            }

            $schema_create .= "$crlf)";
            return (stripslashes($schema_create));
        }

        function mysql_die($error = "")
        {
            echo "<b> $strError </b><p>";
            if(isset($sql_query) && !empty($sql_query))
            {
                echo "$strSQLQuery: <pre>$sql_query</pre><p>";
            }
            if(empty($error))
            echo $strMySQLSaid.mysql_error();
            else
            echo $strMySQLSaid.$error;
            echo "<br><a href=\"javascript:history.go(-1)\">$strBack</a>";
            exit;
        }

        function backup()
        {
            header("Content-disposition: filename="._DBNAME.".sql");
            header("Content-type: application/octetstream");
            header("Pragma: no-cache");
            header("Expires: 0");
        
            // doing some DOS-CRLF magic...
            $client = $_SERVER["HTTP_USER_AGENT"];
            if(ereg('[^(]*\((.*)\)[^)]*',$client,$regs))
            {
                $os = $regs[1];
                // this looks better under WinX
                if (eregi("Win",$os))
                $crlf="\r\n";
            }
            $link = mysql_connect(_DBHOST,_DBUSER,_DBPASS);
                       mysql_select_db(_DBNAME,$link);
        
            $tables = mysql_list_tables(_DBNAME,$link);
    
            $num_tables = @mysql_numrows($tables);
            
            if($num_tables == 0)
            {
                echo $strNoTablesFound;
            }
            else
            {
                $i = 0;
                $heure_jour = date ("H:i");
     
                while($i < $num_tables)
                {
                    $table = mysql_tablename($tables, $i);
     
                    echo  get_table_def(_DBNAME, $table, $crlf).";$crlf$crlf";
     
                    get_table_content(_DBNAME, $table, "my_handler");
    
                    $i++;
                }
            } 
        }