The EIQueue object implements the FIFO Queue data structure of type int and the Singleton design pattern
add($int)
addAll($array)
clear()
getClone() : array
arraygetInstance() : \EIQueue | null
\EIQueuenull
isEmpty() : bool
boolpeek() : mixed
mixedremove(null $int) : int | bool
(No, this is not standard.)
null
intbool
removeAll() : mixed
mixedsize() : int
int__construct()
| access | private |
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save()
| access | private |
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$instance : null
$q : \array<int>
| access | private |
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