/**
* @param $value
* @param $charlist
* @param bool $utf8
*
* @return null|string
*/
public static function trimAsNULL($value, $charlist = NULL, $utf8 = TRUE)
{
if (NULL !== $value) {
if ($utf8) {
$value = Kohana_UTF8::trim($value, $charlist);
if (!Kohana_UTF8::strlen($value)) {
$value = NULL;
}
} else {
$value = trim($value, $charlist);
if (!strlen($value)) {
$value = NULL;
}
}
}
return $value;
}
* Takes an array of ints representing the Unicode characters and returns a UTF-8 string.
* Astral planes are supported i.e. the ints in the input can be > 0xFFFF.
* Occurrances of the BOM are ignored. Surrogates are not allowed.
*
* $str = UTF8::to_unicode($array);
*
* The Original Code is Mozilla Communicator client code.
* The Initial Developer of the Original Code is Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998 the Initial Developer.
* Ported to PHP by Henri Sivonen <*****@*****.**>, see http://hsivonen.iki.fi/php-utf8/
* Slight modifications to fit with phputf8 library by Harry Fuecks <*****@*****.**>.
*
* @param array unicode code points representing a string
* @return string utf8 string of characters
* @return boolean FALSE if a code point cannot be found
*/
public static function from_unicode($arr)
{
if (!isset(self::$called[__FUNCTION__])) {
require SYSPATH . 'utf8' . DIRECTORY_SEPARATOR . __FUNCTION__ . EXT;
// Function has been called
self::$called[__FUNCTION__] = TRUE;
}
return _from_unicode($arr);
}
}
// End UTF8
if (Kohana_UTF8::$server_utf8 === NULL) {
// Determine if this server supports UTF-8 natively
Kohana_UTF8::$server_utf8 = extension_loaded('mbstring');
}
