PHP | Ds\Sequence pop() Function

Last Updated : 24 Jan, 2019
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The Ds\Sequence::pop() function is an inbuilt function in PHP which removes the last value from sequence and return it. Syntax:
abstract public Ds\Sequence::pop( void ) : mixed
Parameters: This function does not accept any parameter. Return Value: This function returns the popped value. Below programs illustrate the Ds\Sequence::pop() function in PHP: Program 1: php
<?php
 
// Create new sequence
$seq =  new \Ds\Vector( [12, 15, 18, 20] );

// pop the sequence element
var_dump($seq->pop());

// pop the sequence element
var_dump($seq->pop());

// pop the sequence element
var_dump($seq->pop());

// pop the sequence element
var_dump($seq->pop());
?>
Output:
int(20)
int(18)
int(15)
int(12)
Program 2: php
<?php
 
// Create new sequence
$seq =  new \Ds\Vector([12, 15, 18, 20]);

for ($i = 0; $i < 4; $i++) {

    // Pop the sequence element
    var_dump($seq->pop());
}

?>
Output:
int(20)
int(18)
int(15)
int(12)
Reference: http://php.net/manual/en/ds-sequence.pop.php

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