SplDoublyLinkedList::shift

(PHP 5 >= 5.3.0, PHP 7)

SplDoublyLinkedList::shiftShifts a node from the beginning of the doubly linked list

Description

public SplDoublyLinkedList::shift ( ) : mixed

Parameters

This function has no parameters.

Return Values

The value of the shifted node.

Errors/Exceptions

Throws RuntimeException when the data-structure is empty.

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https://www.php.net/manual/en/spldoublylinkedlist.shift.php