PHP | DsSequence reduce() Function

PHP | Ds\Sequence pop() Function

Last Updated : 24 Jan, 2019

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

PHP | DsSequence reduce() Function

V

vijay_raj

Improve

Article Tags :

Similar Reads

PHP | DsSet reduce() Function

The Ds\Set::reduce() function is an inbuilt function in PHP which is used to reduce the set to a single value by applying operations using the callback function. Syntax: mixed public Ds\Set::reduce ( callable $callback [, mixed $initial ] ) Parameters: This function accepts two parameters as mention

PHP | DsDeque pop() Function

The Ds\Deque::pop() function is an inbuilt function in PHP which is used to remove the last element from Deque (if Deque is not empty) and return it. If Deque is empty then it throws an exception. Syntax: public Ds\Deque::pop( void ) : mixed Parameters: This function does not accept any parameter. R

PHP | DsStack pop() Function

The Ds\Stack::pop() function of PHP is used to remove the element present at the top of the Stack instance. This function also returns the top element of the stack after removing it. Syntax: mixed public Ds\Stack::pop ( void ) Parameters: This function does not accept any parameters.Return Value mix

PHP DsQueue pop() Function

The Ds\Queue::pop() Function in PHP is used to remove and return the value present at the top of the Queue. In other words, it returns the value present at the front of the Queue and also removes it from the Queue. Syntax: mixed public Ds\Queue::pop ( void ) Parameters: This function does not accept

PHP pos() Function

The pos() is an inbuilt function in PHP which is used to return the value of the element in an array which the internal pointer is currently pointing to. The pos() function does not increment or decrement the internal pointer after returning the value. In PHP all arrays have an internal pointer. Thi

PHP | DsSet slice() Function

The Ds\Set::slice() function is an inbuilt function in PHP which is used to return the sub-set of given range. Syntax: Ds\Set public Ds\Set::slice ( int $index [, int $length ] ) Parameters: This function accepts two parameters as mentioned above and described below: $index: This parameter holds the

PHP | DsVector pop() Function

The Ds\Vector::pop() function is an inbuilt function in PHP which is used to remove the last element of a vector and return it. Syntax: mixed public Ds\Vector::pop( void ) Parameters: This function does not accept any parameter. Return Value: This function returns the last element which removed from

PHP DsSet sum() Function

The Ds\Set::sum() function of Ds\Set class in PHP is an inbuilt function which is used to find the sum of all of the elements present in a Set. Syntax: number public Ds\Set::sum ( void ) Parameter: This function does not accepts any parameter. Return Value: This function returns the sum of the value

PHP DsMap sum() Function

The Ds\Map::sum() function of PHP is used to get the sum of all of the values present in the Map instance. Syntax: number public Ds\Map::sum ( void ) Parameters: This function does not accepts any parameter. Return value: This function returns the sum of all of the values present in the Map instance

PHP | DsVector reduce() Function

The Ds\Vector::reduce() function is an inbuilt function in PHP which reduce the vector to a single value by applying operations in the callback function. Syntax: mixed public Ds\Vector::reduce( $callback, $initial ) Parameters: This function accepts two parameters as mentioned above and described be