src/classes/CCStr.php
public static function upper( $string, $encoding = null )
	{
		if ( is_null( $encoding ) )
		{
			$encoding = ClanCats::$config->charset;
		}
		return mb_strtoupper( $string, $encoding );
	}
public static function upper( $string, $encoding = null )
	{
		if ( is_null( $encoding ) )
		{
			$encoding = ClanCats::$config->charset;
		}
		return mb_strtoupper( $string, $encoding );
	}
public static function upper ( $ string , $ encoding = null ) { if ( is_null ( $ encoding ) ) { $ encoding = ClanCats :: $ config -> charset ; } return mb_strtoupper ( $ string , $ encoding ) ; }
Converts an string to uppercase using the system encoding

@param string		$string
@param string 	$encoding
@return string
Converts an string to uppercase using the system encoding