PHP | Ds\Deque sum() Function
Last Updated :
14 Aug, 2019
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The Ds\Deque::sum() function is an inbuilt function in PHP which is used to return the sum of all elements present in the Deque.
Syntax:
PHP
PHP
public Ds\Deque::sum( void ) : numberParameters: This function does not accept any parameter. Return Value: This function returns the sum of all Deque elements. Below programs illustrate the Ds\Deque::sum() function in PHP: Program 1:
<?php
// Declare a deque
$deck = new \Ds\Deque([5, 6, 3, 2, 7, 1]);
echo("Elements of Deque\n");
// Display the Deque elements
print_r($deck);
echo("Sum of all Deque elements: ");
// Use sum() function to add all
// Deque elements
var_dump($deck->sum());
?>
<?php// Declare a deque$deck = new \Ds\Deque([5, 6, 3, 2, 7, 1]);echo("Elements of Deque\n");// Display the Deque elementsprint_r($deck);echo("Sum of all Deque elements: ");// Use sum() function to add all// Deque elementsvar_dump($deck->sum());?>
Output:
Program 2:
Elements of Deque
Ds\Deque Object
(
[0] => 5
[1] => 6
[2] => 3
[3] => 2
[4] => 7
[5] => 1
)
Sum of all Deque elements: int(24)
<?php
// Declare a deque
$deck = new \Ds\Deque([1.5, 6.3, 2.3, 7.2, 4.7, 9.3]);
echo("Elements of Deque\n");
// Display the Deque elements
print_r($deck);
echo("Sum of all Deque elements: ");
// Use sum() function to add all
// Deque elements
var_dump($deck->sum());
?>
<?php// Declare a deque$deck = new \Ds\Deque([1.5, 6.3, 2.3, 7.2, 4.7, 9.3]);echo("Elements of Deque\n");// Display the Deque elementsprint_r($deck);echo("Sum of all Deque elements: ");// Use sum() function to add all// Deque elementsvar_dump($deck->sum());?>
Output:
Reference: http://php.net/manual/en/ds-deque.sum.php
Elements of Deque
Ds\Deque Object
(
[0] => 1.5
[1] => 6.3
[2] => 2.3
[3] => 7.2
[4] => 4.7
[5] => 9.3
)
Sum of all Deque elements: float(31.3)
