PHP | Ds\Sequence pop() Function

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:

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<?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());
?>

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Output:

int(20)
int(18)
int(15)
int(12)

Program 2:

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<?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());
}
  
?>

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Output:

int(20)
int(18)
int(15)
int(12)

Reference: http://php.net/manual/en/ds-sequence.pop.php

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