Ds\Set::sum

(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.

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

Esta função não possui parâmetros.

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

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


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

O exemplo acima irá imprimir algo similar à:

int(6)

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


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

O exemplo acima irá imprimir algo similar à:

float(6.5)