PMA\libraries\DatabaseInterface::getDbCollation PHP Méthode

    public function getDbCollation($db)
    {
        if ($this->isSystemSchema($db)) {
            // We don't have to check the collation of the virtual
            // information_schema database: We know it!
            return 'utf8_general_ci';
        }
        if (!$GLOBALS['cfg']['Server']['DisableIS']) {
            // this is slow with thousands of databases
            $sql = 'SELECT DEFAULT_COLLATION_NAME FROM information_schema.SCHEMATA' . ' WHERE SCHEMA_NAME = \'' . $this->escapeString($db) . '\' LIMIT 1';
            return $this->fetchValue($sql);
        } else {
            $this->selectDb($db);
            $return = $this->fetchValue('SELECT @@collation_database');
            if ($db !== $GLOBALS['db']) {
                $this->selectDb($GLOBALS['db']);
            }
            return $return;
        }
    }