A. a,b,c,d, B. 1,2,3,4,5 C. a,b,c,d,1,2,3,4,5 D. a,b,c,d,1,2,3,4,5,
A. foreach(array as key=>value) B. foreach(array as $k=>$v) C. foreach(array) D. foreach(array[$key])
A. 对 B. 错