SplDoublyLinkedList
PHP Manual

SplDoublyLinkedList::shift

(PHP 5 >= 5.3.0, PHP 7)

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

Description

public mixed SplDoublyLinkedList::shift ( void )

Parameters

This function has no parameters.

Return Values

The value of the shifted node.

Errors/Exceptions

Throws RuntimeException when the data-structure is empty.


SplDoublyLinkedList
PHP Manual