PHP Ds\Set sum() Function
Last Updated :
16 Aug, 2019
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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:
php
php
number public Ds\Set::sum ( void )Parameter: This function does not accepts any parameter. Return Value: This function returns the sum of the values present in a Set. The return type of the function can be integer or float depending on the type of values present in the Set instance. Below programs illustrate the Ds\Set::sum() function: Program 1:
<?php
// Declare an empty set
$set = new \Ds\Set([1, 2, 3, 4, 5]);
// Print the sum of all values
echo("Sum of all values is: ");
print_r($set->sum());
?>
<?php // Declare an empty set $set = new \Ds\Set([1, 2, 3, 4, 5]);// Print the sum of all valuesecho("Sum of all values is: "); print_r($set->sum()); ?>
Output:
Program 2:
Sum of all values is: 15
<?php
// Declare an empty set
$set = new \Ds\Set([1.1, 2.2, 3.5, 4.9, 5]);
// Print the sum of all values
echo("Sum of all values is: ");
print_r($set->sum());
?>
<?php // Declare an empty set $set = new \Ds\Set([1.1, 2.2, 3.5, 4.9, 5]);// Print the sum of all valuesecho("Sum of all values is: "); print_r($set->sum()); ?>
Output:
Reference: http://php.net/manual/en/ds-set.sum.php
Sum of all values is: 16.7
