__construct() __construct( $charset) : void Class constructor Determines if UTF-8 support is to be enabled. Parameters $charset
clean_string() clean_string(string $str) : string Clean UTF-8 strings Ensures strings contain only valid UTF-8 characters. Parameters string $str String to clean Returns string
safe_ascii_for_xml() safe_ascii_for_xml(string $str) : string Remove ASCII control characters Removes all ASCII control characters except horizontal tabs, line feeds, and carriage returns, as all others can cause problems in XML. Parameters string $str String to clean Returns string
convert_to_utf8() convert_to_utf8(string $str, string $encoding) : string Convert to UTF-8 Attempts to convert a string to UTF-8. Parameters string $str Input string string $encoding Input encoding Returns string — $str encoded in UTF-8 or FALSE on failure
is_ascii() is_ascii(string $str) : boolean Is ASCII? Tests if a string is standard 7-bit ASCII or not. Parameters string $str String to check Returns boolean