Assertion: queue's element | /r/HasProperty | the top
Facets:
value: always
type: DEGREE
Source sentences:
text: In this example, I’ve used array_unshift() and array_shift() , rather than array_push() and array_pop() , so that the first element of the stack is always the top.
text: The first element, usually at the zero offset, is the bottom resulting in array being the first element pushed onto the stack and the last element popped off.