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 get the DEFAULT_CHARSET

function get_wbcharset() {

	$charset=strtoupper(DEFAULT_CHARSET);

	if(strcmp($charset,"BIG5") == 0) {

		$charset="BIG-5";

	}

	return($charset);

}

// 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 html-entities to umlauts

// and encode htmlspecialchars

function entities_to_umlauts($string) {

	$charset = get_wbcharset();

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

	if (strcmp($charset,"GB2312") == 0) {

		if(function_exists('iconv')) {

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

			$string=iconv("UTF-8","GB2312",$string);

		} else {

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

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

		}

	} elseif (strcmp($charset,"ISO-8859-11") == 0) {

		if(function_exists('iconv')) {

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

			$string=iconv("UTF-8","ISO-8859-11",$string);

		} else {

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

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

		}

	} else {

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

	}

	$string=htmlspecialchars($string);

	return($string);

}

// Function to convert a string from umlauts to html-entities

// and encode htmlspecialchars

function umlauts_to_entities($string) {

	$charset=get_wbcharset();

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

	if (strcmp($charset,"GB2312") == 0) {

		if(function_exists('iconv')) {

			$string=iconv("GB2312","UTF-8",$string);

			$charset="UTF-8";

		} else {

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

			$charset="UTF-8";

		}

	} elseif (strcmp($charset,"ISO-8859-11") == 0) {

		if(function_exists('iconv')) {

			$string=iconv("ISO-8859-11","UTF-8",$string);

			$charset="UTF-8";

		} else {

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

			$charset="UTF-8";

		}

	}

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

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

	$string=htmlspecialchars($string,ENT_QUOTES);

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

	return($string);

}

// translate any "latin" 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));