PHP PMA_aix_iconv_wrapper函数代码示例

/**
 * converts charset of a mysql message, usually coming from mysql_error(),
 * into PMA charset, usally UTF-8
 * uses language to charset mapping from mysql/share/errmsg.txt
 * and charset names to ISO charset from information_schema.CHARACTER_SETS
 *
 * @uses    $GLOBALS['cfg']['IconvExtraParams']
 * @uses    $GLOBALS['charset']     as target charset
 * @uses    PMA_DBI_fetch_value()   to get server_language
 * @uses    preg_match()            to filter server_language
 * @uses    in_array()
 * @uses    function_exists()       to check for a convert function
 * @uses    iconv()                 to convert message
 * @uses    libiconv()              to convert message
 * @uses    recode_string()         to convert message
 * @uses    mb_convert_encoding()   to convert message
 * @param   string  $message
 * @return  string  $message
 */
function PMA_DBI_convert_message($message)
{
    // latin always last!
    $encodings = array('japanese' => 'EUC-JP', 'japanese-sjis' => 'Shift-JIS', 'korean' => 'EUC-KR', 'russian' => 'KOI8-R', 'ukrainian' => 'KOI8-U', 'greek' => 'ISO-8859-7', 'serbian' => 'CP1250', 'estonian' => 'ISO-8859-13', 'slovak' => 'ISO-8859-2', 'czech' => 'ISO-8859-2', 'hungarian' => 'ISO-8859-2', 'polish' => 'ISO-8859-2', 'romanian' => 'ISO-8859-2', 'spanish' => 'CP1252', 'swedish' => 'CP1252', 'italian' => 'CP1252', 'norwegian-ny' => 'CP1252', 'norwegian' => 'CP1252', 'portuguese' => 'CP1252', 'danish' => 'CP1252', 'dutch' => 'CP1252', 'english' => 'CP1252', 'french' => 'CP1252', 'german' => 'CP1252');
    if ($server_language = PMA_DBI_fetch_value('SHOW VARIABLES LIKE \'language\';', 0, 1)) {
        $found = array();
        if (preg_match('&(?:\\\\|\\/)([^\\\\\\/]*)(?:\\\\|\\/)$&i', $server_language, $found)) {
            $server_language = $found[1];
        }
    }
    if (!empty($server_language) && isset($encodings[$server_language])) {
        if (function_exists('iconv')) {
            if (@stristr(PHP_OS, 'AIX') && @strcasecmp(ICONV_IMPL, 'unknown') == 0 && @strcasecmp(ICONV_VERSION, 'unknown') == 0) {
                require_once './libraries/iconv_wrapper.lib.php';
                $message = PMA_aix_iconv_wrapper($encodings[$server_language], $GLOBALS['charset'] . $GLOBALS['cfg']['IconvExtraParams'], $message);
            } else {
                $message = iconv($encodings[$server_language], $GLOBALS['charset'] . $GLOBALS['cfg']['IconvExtraParams'], $message);
            }
        } elseif (function_exists('recode_string')) {
            $message = recode_string($encodings[$server_language] . '..' . $GLOBALS['charset'], $message);
        } elseif (function_exists('libiconv')) {
            $message = libiconv($encodings[$server_language], $GLOBALS['charset'], $message);
        } elseif (function_exists('mb_convert_encoding')) {
            // do not try unsupported charsets
            if (!in_array($server_language, array('ukrainian', 'greek', 'serbian'))) {
                $message = mb_convert_encoding($message, $GLOBALS['charset'], $encodings[$server_language]);
            }
        }
    } else {
        /**
         * @todo lang not found, try all, what TODO ?
         */
    }
    return $message;
}

/**
 * Converts encoding of file according to parameters with detected
 * conversion function. The old file will be unlinked and new created and
 * its file name is returned.
 *
 * @param   string   source charset
 * @param   string   target charset
 * @param   string   file to convert
 *
 * @return  string   new temporay file
 *
 * @access  public
 *
 * @author  nijel
 */
function PMA_convert_file($src_charset, $dest_charset, $file)
{
    switch ($GLOBALS['PMA_recoding_engine']) {
        case PMA_CHARSET_RECODE:
        case PMA_CHARSET_ICONV:
        case PMA_CHARSET_LIBICONV:
            $tmpfname = tempnam('', 'PMA_convert_file');
            $fin = fopen($file, 'r');
            $fout = fopen($tmpfname, 'w');
            if ($GLOBALS['PMA_recoding_engine'] == PMA_CHARSET_RECODE) {
                recode_file($src_charset . '..' . $dest_charset, $fin, $fout);
            } else {
                while (!feof($fin)) {
                    $line = fgets($fin, 4096);
                    if ($GLOBALS['PMA_recoding_engine'] == PMA_CHARSET_ICONV) {
                        $dist = iconv($src_charset, $dest_charset . $GLOBALS['cfg']['IconvExtraParams'], $line);
                    } elseif ($GLOBALS['PMA_recoding_engine'] == PMA_CHARSET_ICONV_AIX) {
                        $dist = PMA_aix_iconv_wrapper($src_charset, $dest_charset . $GLOBALS['cfg']['IconvExtraParams'], $line);
                    } else {
                        $dist = libiconv($src_charset, $dest_charset . $GLOBALS['cfg']['IconvExtraParams'], $line);
                    }
                    fputs($fout, $dist);
                }
                // end while
            }
            fclose($fin);
            fclose($fout);
            unlink($file);
            return $tmpfname;
        default:
            return $file;
    }
}