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SplStack::__construct> <SplDoublyLinkedList::valid
[edit] Last updated: Fri, 24 Jun 2011

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The SplStack class

Introduction

کلاس SplStack عملکرد اصلی پشته را با استفاده از لیست دو پیوندی پیاده می‌کند.

Class synopsis

SplStack extends SplDoublyLinkedList implements Iterator , ArrayAccess , Countable {
/* Methods */
__construct ( void )
void setIteratorMode ( int $mode )
/* Inherited methods */
mixed SplDoublyLinkedList::bottom ( void )
int SplDoublyLinkedList::count ( void )
mixed SplDoublyLinkedList::current ( void )
int SplDoublyLinkedList::getIteratorMode ( void )
bool SplDoublyLinkedList::isEmpty ( void )
mixed SplDoublyLinkedList::key ( void )
void SplDoublyLinkedList::next ( void )
bool SplDoublyLinkedList::offsetExists ( mixed $index )
mixed SplDoublyLinkedList::offsetGet ( mixed $index )
void SplDoublyLinkedList::offsetSet ( mixed $index , mixed $newval )
void SplDoublyLinkedList::offsetUnset ( mixed $index )
mixed SplDoublyLinkedList::pop ( void )
void SplDoublyLinkedList::prev ( void )
void SplDoublyLinkedList::push ( mixed $value )
void SplDoublyLinkedList::rewind ( void )
void SplDoublyLinkedList::setIteratorMode ( int $mode )
mixed SplDoublyLinkedList::shift ( void )
mixed SplDoublyLinkedList::top ( void )
void SplDoublyLinkedList::unshift ( mixed $value )
bool SplDoublyLinkedList::valid ( void )
}

Table of Contents



add a note add a note User Contributed Notes SplStack - [1 notes]
up
1
Sandro Alves Peres
7 days ago
<?php
# Think of the stack as an array reversed, where the last element has index zero

$stack = new SplStack();
$stack->push('a');
$stack->push('b');
$stack->push('c');

$stack->offsetSet(0, 'C'); # the last element has index zero

$stack->rewind();

while( $stack->valid() )
{
    echo $stack->current(), PHP_EOL;
    $stack->next();
}

/*

OUTPUT
****************************

C
b
a

*/
?>
add a note add a note

 
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