09. august 2007 - 14:14
#2
Jeg har 2 versioner:
1. Tager backup af samtlige tabeller
2. Tager backup af de tabeller, der er angivet i koden
Begge backup laves sådan, at de er nemme at indlæse igen via PHPMyAdmin, men jeg har også PHP kode, til genoprette.
09. august 2007 - 15:52
#5
Her er koden så.
Husk at ændre de 4 første linjer i PHP-koden herunder:
Brugernavn, password, databasenavn og evt. host.
<?php
$dbhost = "localhost"; // Angiv din host til MySQL?
$dbuname = "xxxxx"; // Dit Brugernavn?
$dbpass = "xxxxxx"; // Dit Password?
$dbname = "xxxxx"; // Angiv Database navn
mysql_connect("$dbhost","$dbuname","$dbpass") or die (mysql_error());
mysql_select_db("$dbname") or die (mysql_error());
//ret intet herunder
@set_time_limit(600);
$crlf="\n";
// Danish Text
$strNoTablesFound = "Ingen databasetabeller fundet";
$strHost = "Host";
$strDatabase = "Database ";
$strTableStructure = "Struktur for tabel";
$strDumpingData = "Indhold af tabel";
$strError = "Fejl";
$strSQLQuery = "SQL-query";
$strMySQLSaid = "MySQL: ";
$strBack = "Tilbage";
$strFileName = "DB-dump";
$strName = "Backup af database";
$strDone = "Downloadet d.";
$strat = "kl.";
$date_jour = date ("d-m-Y");
header("Content-disposition: filename=$strFileName $dbname $date_jour.sql");
header("Content-type: application/ms-download");
header("Pragma: no-cache");
header("Expires: 0");
// doing some DOS-CRLF magic...
$client = getenv("HTTP_USER_AGENT");
if(ereg('[^(]*\((.*)\)[^)]*',$client,$regs))
{
$os = $regs[1];
// this looks better under WinX
if (eregi("Win",$os))
$crlf="\r\n";
}
function my_handler($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)
{
$result = mysql_db_query($db, "SELECT * FROM $table") or mysql_die();
$i = 0;
while($row = mysql_fetch_row($result))
{
$table_list = "(";
for($j=0; $j<mysql_num_fields($result);$j++)
$table_list .= mysql_field_name($result,$j).", ";
$table_list = substr($table_list,0,-2);
$table_list .= ")";
if(isset($GLOBALS["showcolumns"]))
$schema_insert = "INSERT INTO $table $table_list VALUES (";
else
$schema_insert = "INSERT INTO $table VALUES (";
for($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)
{
$schema_create = "";
$schema_create .= "DROP TABLE IF EXISTS $table; CREATE TABLE $table ($crlf";
$result = mysql_db_query($db, "SHOW FIELDS FROM $table") or mysql_die();
while($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 $table") or mysql_die();
while($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=\"java script:history.go(-1)\">$strBack</a>";
exit;
}
global $bruger, $dbhost, $dbuname, $dbpass, $dbname;
mysql_connect($dbhost, $dbuname, $dbpass);
@mysql_select_db("$dbname") or die ("Kunne ikke forbinde til databasen");
$tables = mysql_list_tables($dbname);
$num_tables = @mysql_numrows($tables);
if($num_tables == 0)
{
echo $strNoTablesFound;
}
else
{
$i = 0;
$heure_jour = date ("H:i");
print "# ========================================================$crlf";
print "#$crlf";
print "# $strName : $dbname$crlf";
print "# $strDone $date_jour $strat $heure_jour $crlf";
print "#$crlf";
print "# ========================================================$crlf";
print "$crlf";
while($i < $num_tables)
{
$table = mysql_tablename($tables, $i);
print $crlf;
print "# --------------------------------------------------------$crlf";
print "#$crlf";
print "# $strTableStructure '$table'$crlf";
print "#$crlf";
print $crlf;
echo get_table_def($dbname, $table, $crlf).";$crlf$crlf";
print "#$crlf";
print "# $strDumpingData '$table'$crlf";
print "#$crlf";
print $crlf;
get_table_content($dbname, $table, "my_handler");
$i++;
}
}
?>