ascii码范围是0~255，为什么php的chr(360)没报错？

Question

ascii码范围是0~255，为什么php的chr(360)没报错？

Answer 1

Note that if the number is higher than 256, it will return the number mod 256.
For example :
chr(321)=A because A=65(256)

http://www.php.net/manual/zh/...