SplDoublyLinkedList (class)
Introduction
(PHP 5 >= 5.3.0, PHP 7)
The SplDoublyLinkedList class provides the main functionalities of a doubly linked list.
Class synopsis
SplDoublyLinkedList implements Iterator , ArrayAccess , Countable {
/* Methods */
public __construct ( void )
public void add ( mixed $index , mixed $newval )public mixed bottom ( void )public int count ( void )public mixed current ( void )public int getIteratorMode ( void )public bool isEmpty ( void )public mixed key ( void )public void next ( void )public bool offsetExists ( mixed $index )public mixed offsetGet ( mixed $index )public void offsetSet ( mixed $index , mixed $newval )public void offsetUnset ( mixed $index )public mixed pop ( void )public void prev ( void )public void push ( mixed $value )public void rewind ( void )public string serialize ( void )public void setIteratorMode ( int $mode )public mixed shift ( void )public mixed top ( void )public void unserialize ( string $serialized )public void unshift ( mixed $value )public bool valid ( void )}
Table of Contents
- SplDoublyLinkedList::add — Add/insert a new value at the specified index
- SplDoublyLinkedList::bottom — Peeks at the node from the beginning of the doubly linked list
- SplDoublyLinkedList::__construct — Constructs a new doubly linked list
- SplDoublyLinkedList::count — Counts the number of elements in the doubly linked list.
- SplDoublyLinkedList::current — Return current array entry
- SplDoublyLinkedList::getIteratorMode — Returns the mode of iteration
- SplDoublyLinkedList::isEmpty — Checks whether the doubly linked list is empty.
- SplDoublyLinkedList::key — Return current node index
- SplDoublyLinkedList::next — Move to next entry
- SplDoublyLinkedList::offsetExists — Returns whether the requested $index exists
- SplDoublyLinkedList::offsetGet — Returns the value at the specified $index
- SplDoublyLinkedList::offsetSet — Sets the value at the specified $index to $newval
- SplDoublyLinkedList::offsetUnset — Unsets the value at the specified $index
- SplDoublyLinkedList::pop — Pops a node from the end of the doubly linked list
- SplDoublyLinkedList::prev — Move to previous entry
- SplDoublyLinkedList::push — Pushes an element at the end of the doubly linked list
- SplDoublyLinkedList::rewind — Rewind iterator back to the start
- SplDoublyLinkedList::serialize — Serializes the storage
- SplDoublyLinkedList::setIteratorMode — Sets the mode of iteration
- SplDoublyLinkedList::shift — Shifts a node from the beginning of the doubly linked list
- SplDoublyLinkedList::top — Peeks at the node from the end of the doubly linked list
- SplDoublyLinkedList::unserialize — Unserializes the storage
- SplDoublyLinkedList::unshift — Prepends the doubly linked list with an element
- SplDoublyLinkedList::valid — Check whether the doubly linked list contains more nodes
SplDoublyLinkedList::add →
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