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SplDoublyLinkedList::shift

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

SplDoublyLinkedList::shift — Shifts a node from the beginning of the doubly linked list

Beschreibung

public SplDoublyLinkedList::shift(): mixed

Parameter-Liste

Diese Funktion besitzt keine Parameter.

Rückgabewerte

The value of the shifted node.

Fehler/Exceptions

Throws RuntimeException when the data-structure is empty.