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The array_shift re index the key items if it's integer, so it's bad, so you can use this: stackoverflow.com/a/52826684/1407491

Nabi K.A.Z.
– Nabi K.A.Z.

2018-10-16 01:31:09 +00:00
Commented Oct 16, 2018 at 1:31
The complexity of array_shift() is O(n) (due to re-indexing numeric indexes) and for array_pop() it is O(1). How to get to know the first element's index? Just start a foreach and break it right in its first iteration.

AmigoJack
– AmigoJack

2021-10-23 13:00:41 +00:00
Commented Oct 23, 2021 at 13:00

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