
<?php

//SplStack Mode is LIFO (Last In First Out)

  

$q = new SplStack();



$q[] = 1;

$q[] = 2;

$q[] = 3;

$q->push(4);

$q->add(4,5);



$q->rewind();

while($q->valid()){

    echo $q->current(),"\n";

    $q->next();

}

?>



Output

5

4

3

2

1

lsroudi at gmail dot com 20-Jan-2014 05:07


<?php



/**

 * Description of Stack

 *

 * (c) lsroudi <http://lsroudi.com/> <lsroudi@gmail.com>

 * 

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

class Stack {



    private $splstack;



    function __construct(\SplStack $splstack)

    {

        $this->splstack = $splstack;

    }



    public function calculateSomme()

    {



        if ($this->splstack->count() > 1){

            $val1 = $this->splstack->pop();

            $val2 = $this->splstack->pop();

            $val = $val1 + $val2;

            $this->splstack->push($val);

            $this->calculateSomme();

        }

    }



    /**

     * 

     * @return integer

     */

    public function displaySomme()

    {

        $result = $this->splstack->pop();

        return $result;

    }



}



$splstack = new \SplStack();



$splstack->push(10);

$splstack->push(10);

$splstack->push(10);

$splstack->push(10);

$splstack->push(10);

$splstack->push(10);

$splstack->push(10);

$splstack->push(10);

$splstack->push(10);

$splstack->push(10);

$splstack->push(10);

$splstack->push(10);

$splstack->push(10);

$splstack->push(10);

$splstack->push(10);



$stack = new Stack($splstack);

$stack->calculateSomme();

die(var_dump($stack->displaySomme())); // 150

?>

source : https://github.com/lsroudi/OOPWithSPL/blob/master/Stack/Stack.php

lsroudi at gmail dot com 19-Jan-2014 09:03


the SplStack is  simply a SplDoublyLinkedList with  an iteration mode IT_MODE_LIFO and IT_MODE_KEEP

Sandro Alves Peres 12-Jun-2013 09:04


<?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



*/

?>

The SplStack class

简介

类摘要

Table of Contents

User Contributed Notes