function QueueInterface::poll

Retrieves and removes the head of this queue, or returns `null` if this queue is empty.

Return value

T | null the head of this queue, or `null` if this queue is empty.

See also

self::remove()

1 method overrides QueueInterface::poll()

Queue::poll in vendor/ramsey/collection/src/Queue.php

File

vendor/ramsey/collection/src/QueueInterface.php, line 182

Class

QueueInterface

A queue is a collection in which the entities in the collection are kept in order.

Namespace

Ramsey\Collection

Code

public function poll() : mixed;