雾の乡

public function tweet($msg) {
	$msg = trim($msg);
	if(($len = mb_strlen($msg))>130) {
		if($len > 1200) gx::throw_('tooooo long msg x_x');
 
		$nonbreak = '%((?:@[a-zA-Z0-9_\-]+)|(?:#[\S]+)|(?:https?://[\w\s\.]+(?:/\S*)?))%';
		$units = preg_split($nonbreak, $msg,-1, PREG_SPLIT_DELIM_CAPTURE);
		$msgs = array();
		$buffer = '';
		while($u=array_shift($units)) {
			if(mb_strlen($buffer)+mb_strlen($u) > 120) {
				if(preg_match($nonbreak, $u)) {//this unit is non-break!
					$msgs[] = $buffer;
					$buffer = $u;
					continue;
				}
				//break words
				$buffer .= $u;
				while(mb_strlen($buffer)>120) {
					$msgs[] = mb_substr($buffer,0,120);
					$buffer = mb_substr($buffer,120);
				}
			} else {//not too long yet, wait for next unit
				$buffer .= $u;
			}
		}
		$now = $all = count($msgs);
		$objs = array();
		while($m = array_pop($msgs)) {//output in reversed order
			$objs[] = $this->tweet($m."($now/$all)");
			$now--;
		}
		return $objs;
	}
	list($code, $response) = $this->request('1/statuses/update.json', 'POST', array(
	  'status' => $msg
	));
 
	if ($code == 200) {
	  return json_decode($response);
	} else {
	  gx::throw_(htmlentities($response), $code);
	}
}