Class Queue

Class represeting FIFO data structure. The first element added to the queue will be the first one to be removed.

BN\Collections\LinearDataStructure

Extended by

BN\Collections\Queue

Namespace: BN\Collections
Located at lib/BN/Collections/Queue.php

Methods summary
`public`	# `push( mixed $element )` Inserts element at the end of the queue Inserts element at the end of the queue Parameters `$element` `mixed` $element Throws `BN\Collections\NullArgumentException`
`public mixed`	# `pop( )` Removes and returns first element of the queue. Returns null if the queue is empty Removes and returns first element of the queue. Returns null if the queue is empty Returns `mixed`
`public mixed`	# `peek( )` Returns first element of the queue (element is not removed from the queue). Returns null if the queue is empty Returns first element of the queue (element is not removed from the queue). Returns null if the queue is empty Returns `mixed`
`public BN\Collections\Queue`	# `__clone( )` Clones current queue Clones current queue Returns `BN\Collections\Queue`

Methods inherited from BN\Collections\LinearDataStructure
`checkIfElementIsNotNull(), clear(), isEmpty(), size()`

Properties inherited from BN\Collections\LinearDataStructure
`$data`