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@pepebe
Created January 17, 2013 09:52
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SQL: Repair German "Umlaute" inside a MySQL Database.
<?php
/**
* Alle kaputten Umlaute reparieren bei Umstellung von ISO->UTF8
* Source: http://xhtmlforum.de/66480-kleines-skript-alle-umlaute-der-datenbank.html
*
* @project -
* @author Boris Bojic <bojic@devshack.biz>
* @copyright Copyright (c) 2011, Boris Bojic (DevShack)
* @version Fri, 23 Dec 2011 13:47:11 +0100
* @updated -
*
*/
// === [ Content / Charset ] ==============================================
header('Content-Type: text/html; charset=utf-8');
// PHP auch explizit auf UTF-8 setzen
mb_internal_encoding('UTF-8');
$db = array();
$db['host'] = "localhost";
$db['uname'] = "mysql_user";
$db['password'] = "mysql_pass";
$db['database'] = "datenbankname";
$dbconnect = mysql_connect($db['host'], $db['uname'], $db['password']) or die ("Konnte keine Verbindung zur Datenbank aufnehmen!");
mysql_select_db($db['database'],$dbconnect) or die ("Fehler beim Auswählen der Datenbank!");
mysql_set_charset('utf8');
echo '<pre>';
function getTables($db){
$result = mysql_query("SHOW TABLES FROM " . $db['database']);
while($row = mysql_fetch_row($result)){
$res[] = $row[0];
}
return $res;
}
function getColumns($table){
$table = mysql_real_escape_string($table);
$mysqlres = mysql_query("SHOW COLUMNS FROM " . $table);
while($row = mysql_fetch_row($mysqlres)){
$res[] = $row[0];
}
return $res;
}
// Alle Tabellen ermitteln
$tablesArray = getTables($db);
// Alle Spalten pro Tabelle ermitteln und durcharbeiten
foreach($tablesArray AS $table){
$affectedRows = 0;
$spalten = getColumns($table);
echo "Tabelle: " . $table . "<br />";
foreach($spalten AS $spalte){
echo "...Spalte: " . $spalte . "<br />";
$query = '
UPDATE `' . $table . '` SET
`' . $spalte . '` = REPLACE(`' . $spalte . '`,"ß", "ß"),
`' . $spalte . '` = REPLACE(`' . $spalte . '`, "ä", "ä"),
`' . $spalte . '` = REPLACE(`' . $spalte . '`, "ü", "ü"),
`' . $spalte . '` = REPLACE(`' . $spalte . '`, "ö", "ö"),
`' . $spalte . '` = REPLACE(`' . $spalte . '`, "Ä", "Ä"),
`' . $spalte . '` = REPLACE(`' . $spalte . '`, "Ãœ", "Ü"),
`' . $spalte . '` = REPLACE(`' . $spalte . '`, "Ö", "Ö"),
`' . $spalte . '` = REPLACE(`' . $spalte . '`, "€", "€")
';
mysql_query($query) OR die(mysql_error() . $query);
$affectedRows += mysql_affected_rows();
}
echo "Tabelle " . $table . " aktualisiert, Datensätze: " . $affectedRows . "<br /><br />";
}
@ApeMonkeys
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Thx

@Wucasch
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Wucasch commented Mar 9, 2016

Dude you are awesome, really, thank you very much!

@astoeffer
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Hi,

thanks for that script. I test it and it works great.
But I need a correction only for one table and two columns.

But I'm not a developer. Ist ist possible to customise your script for that purpose?

Thx

@IL-Michi
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perfekt thx

@hoergen
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hoergen commented Jul 3, 2017

Didn't work for PHP7 so i've done some changes. What licenes is this? Can we use that for friendica? https://github.com/friendica/friendica

`<?php
/**

// === [ Content / Charset ] ==============================================
header('Content-Type: text/html; charset=utf-8');

// PHP auch explizit auf UTF-8 setzen
ini_set('display_errors', 'On');
mb_internal_encoding('UTF-8');

$db = array();

$db['host'] = 'localhost';
$db['uname'] = 'NAME';
$db['password'] = 'PASSWORT';
$db['database'] = 'DATENBANKNAME';

echo 'huhu';

$dbconnect = mysqli_connect($db['host'], $db['uname'], $db['password']) or die ("Konnte keine Verbindung zur Datenbank aufnehmen!");
mysqli_select_db($dbconnect,$db['database']) or die ("Fehler beim Auswählen der Datenbank!");

mysqli_set_charset($dbconnect,'utf8');

echo '

';

function getTables($db){
global $dbconnect;
$result = mysqli_query($dbconnect,"SHOW TABLES FROM " . $db['database']);

while($row = mysqli_fetch_row($result)){ 
    $res[] = $row[0]; 
} 

return $res; 

}

function getColumns($table){
global $dbconnect;
$table = mysqli_real_escape_string($dbconnect,$table);

$mysqlres = mysqli_query($dbconnect,"SHOW COLUMNS FROM " . $table); 
while($row = mysqli_fetch_row($mysqlres)){ 
    $res[] = $row[0]; 
} 

return $res; 

}

// Alle Tabellen ermitteln
$tablesArray = getTables($db);

echo 'nach getTables';

// Alle Spalten pro Tabelle ermitteln und durcharbeiten
foreach($tablesArray AS $table){

$affectedRows = 0; 
$spalten = getColumns($table); 

echo "Tabelle: " . $table . "<br />"; 
 

foreach($spalten AS $spalte){ 
 
    echo "...Spalte: " . $spalte . "<br />"; 
 
    $query = ' 
        UPDATE `' . $table . '` SET 
          `' . $spalte . '` = REPLACE(`' . $spalte . '`,"ß", "ß"), 
          `' . $spalte . '` = REPLACE(`' . $spalte . '`, "ä", "ä"), 
          `' . $spalte . '` = REPLACE(`' . $spalte . '`, "ü", "ü"), 
          `' . $spalte . '` = REPLACE(`' . $spalte . '`, "ö", "ö"), 
          `' . $spalte . '` = REPLACE(`' . $spalte . '`, "Ä", "Ä"), 
          `' . $spalte . '` = REPLACE(`' . $spalte . '`, "Ãœ", "Ü"), 
          `' . $spalte . '` = REPLACE(`' . $spalte . '`, "Ö", "Ö"), 
          `' . $spalte . '` = REPLACE(`' . $spalte . '`, "€", "€") 
    '; 
 
    mysqli_query($dbconnect,$query) OR die(mysqli_error($dbconnect) . $query); 
    $affectedRows += mysqli_affected_rows(); 
 
} 

 
echo "Tabelle " . $table . " aktualisiert, Datensätze: " . $affectedRows . "<br /><br />"; 

}
`

@CodeBrauer
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