(PHP 5 >= 5.4.0, PHP 7)
ReflectionClass::getTraits — 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞癸拷玫锟� traits 锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷未锟斤拷写锟侥碉拷锟斤拷锟斤拷锟叫诧拷锟斤拷锟叫憋拷
锟剿猴拷锟斤拷没锟叫诧拷锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟介，锟斤拷锟斤拷 trait 锟斤拷锟斤拷锟狡ｏ拷值锟斤拷 trait 实锟斤拷锟斤拷 ReflectionClass锟斤拷
锟斤拷锟街达拷锟斤拷锟斤拷锟斤拷锟铰凤拷锟斤拷 NULL锟斤拷