(PHP 5 >= 5.3.0, PHP 7)
ReflectionFunctionAbstract::isClosure — 锟斤拷锟斤拷欠锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�
锟斤拷锟斤拷欠锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�
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锟斤拷锟斤拷锟斤拷 TRUE锟斤拷锟斤拷锟津返伙拷 FALSE
TRUE
FALSE