Ds\Set::sum
(PECL ds >= 1.0.0)
Ds\Set::sum — Returns the sum of all values in the set
Descrierea
public Ds\Set::sum
(
) : int|float
Returns the sum of all values in the set.
Notă:
Arrays and objects are considered equal to zero when calculating the sum.
Parametri
Această funcție nu are parametri.
Valorile întoarse
The sum of all the values in the set as either a float or int depending on the values in the set.
Exemple
Example #1 Ds\Set::sum() integer example
<?php
$set = new \Ds\Set([1, 2, 3]);
var_dump($set->sum());
?>
Exemplul de mai sus va afișa ceva similar cu:
int(6)
Example #2 Ds\Set::sum() float example
<?php
$set = new \Ds\Set([1, 2.5, 3]);
var_dump($set->sum());
?>
Exemplul de mai sus va afișa ceva similar cu:
float(6.5)
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