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
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 پیاچپی:
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++;
}
}
}