Ds\Set::sum
(PECL ds >= 1.0.0)
Ds\Set::sum — Returns the sum of all values in the set
Description
Returns the sum of all values in the set.
Note:
Arrays and objects are considered equal to zero when calculating the sum.
Parameters
This function has no parameters.
Return Values
The sum of all the values in the set as either a float or int depending on the values in the set.
Examples
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)
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