使用数组推送在循环中构建数组。 使用end（）会损坏数组吗？

Question

Maybe this is obvious, but end() returns the last array element and moves the pointer. It's that "moves the pointer" langauge that makes me nervous though. When using array_push or $thearray[] = "" or any other method of appending to the array, will the use of end() mean that the next added element will overwrite the last existing element?

Answer 1

Only the array functions like next, end, reset, each, etc all use the array internal pointer.

array_push() will always push elements to the end of the array and things like array_shift() will always shift elements off the start.

To learn more about the internal pointer, check out this other answer