WB 2.08.x

// Function as replecement for php's htmlspecialchars()

function my_htmlspecialchars($string) {

	$string = umlauts_to_entities($string);

	$string = entities_to_umlauts($string);

	return($string);

}

// Function to convert a string from $from- to $to-encoding, using mysql

function my_mysql_iconv($string, $from, $to) {

	// keep current character set values:

	$character_set_database = mysql_result(mysql_query("SELECT @@character_set_client"),0,0);

	$character_set_results = mysql_result(mysql_query("SELECT @@character_set_results"),0,0);

	$collation_results = mysql_result(mysql_query("SELECT @@collation_connection"),0,0);

	mysql_query("SET character_set_client=$from");

	mysql_query("SET character_set_results=$to");

	mysql_query("SET collation_connection=utf8_unicode_ci");

	$string_escaped = mysql_real_escape_string($string);

	$converted_string = mysql_result(mysql_query("SELECT '$string_escaped'"),0,0);

	// restore previous character set values:

	mysql_query("SET character_set_client=$character_set_database");

	mysql_query("SET character_set_results=$character_set_results");

	mysql_query("SET collation_connection=$collation_results");

	return $converted_string;

}

// Function to convert a string from mixed html-entities/umlauts to pure utf-8-umlauts

function string_to_utf8($string, $charset=DEFAULT_CHARSET) {

	$charset = strtoupper($charset);

	if ($charset == '') { $charset = 'ISO-8859-1'; }

	// there's no GB2312 or ISO-8859-11 encoding in php's mb_* functions

	if ($charset == "GB2312") {

		$string=my_mysql_iconv($string, 'gb2312', 'utf8');

	} elseif ($charset == "ISO-8859-11") {

		$string=my_mysql_iconv($string, 'tis620', 'utf8');

	} else {

		$string=mb_convert_encoding($string, 'UTF-8', $charset);

	}

	$string=mb_convert_encoding($string, 'HTML-ENTITIES', 'UTF-8');

	$string=mb_convert_encoding($string, 'UTF-8', 'HTML-ENTITIES');

	return($string);

}

// Function to convert a string from mixed html-entities/umlauts to pure $charset_out-umlauts

function entities_to_umlauts($string, $charset_out=DEFAULT_CHARSET, $convert_htmlspecialchars=0) {

	$charset_out = strtoupper($charset_out);

	if ($charset_out == '') {

		$charset_out = 'ISO-8859-1';

	}

	$string = string_to_utf8($string);

	if($charset_out != 'UTF-8') {

		if ($charset_out == "GB2312") {

			$string=my_mysql_iconv($string, 'utf8', 'gb2312');

		} elseif ($charset_out == "ISO-8859-11") {

			$string=my_mysql_iconv($string, 'utf8', 'tis620');

		} else {

			$string=mb_convert_encoding($string, $charset_out, 'UTF-8');

		}

	}

	if($convert_htmlspecialchars == 1) {

		$string=htmlspecialchars($string);

	}

	return($string);

}

// Function to convert a string from mixed html-entitites/$charset_in-umlauts to pure html-entities

function umlauts_to_entities($string, $charset_in=DEFAULT_CHARSET, $convert_htmlspecialchars=1) {

	$charset_in = strtoupper($charset_in);

	if ($charset_in == "") {

		$charset_in = 'ISO-8859-1';

	}

	$string = string_to_utf8($string, $charset_in);

	if($convert_htmlspecialchars == 1) {

		$string=htmlspecialchars($string,ENT_QUOTES);

	}

	$string=mb_convert_encoding($string,'HTML-ENTITIES','UTF-8');

	return($string);

}

// translate any latin/greek/cyrillic html-entities to their plain 7bit equivalents

function entities_to_7bit($string) {

	require(WB_PATH.'/framework/convert.php');

	$string = strtr($string, $conversion_array);

	return($string);

}

	$string = entities_to_7bit(umlauts_to_entities($string));

	$string = entities_to_7bit(umlauts_to_entities($string));

	if(file_exists($filename) && substr($filename,0,1<>'.')) {