GoLang Ds\Set::sum

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PHP Ds\Set::sum

PHP original manual for Ds\Set::sum [ show | php.net ]

(PECL ds >= 1.0.0)

Ds\Set::sum — Returns the sum of all values in the set

public number Ds\Set::sum ( void )

Returns the sum of all values in the set.

Note:
Arrays and objects are considered equal to zero when calculating the sum.

This function has no parameters.

The sum of all the values in the set as either a float or int depending on the values in the set.

Example #1 Ds\Set::sum() integer example


<?php
$set = new \Ds\Set([1, 2, 3]);
var_dump($set->sum());
?>

The above example will output something similar to:

int(6)

Example #2 Ds\Set::sum() float example


<?php
$set = new \Ds\Set([1, 2.5, 3]);
var_dump($set->sum());
?>

The above example will output something similar to:

float(6.5)