PHPWales 2020 - June 3rd to June 4th

Ds\Set::sum

(PECL ds >= 1.0.0)

Ds\Set::sumReturns the sum of all values in the set

Descrição

public Ds\Set::sum ( void ) : number

Returns the sum of all values in the set.

Nota:

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

Parâmetros

Esta função não possui parâmetros.

Valor Retornado

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

Exemplos

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

<?php
$set 
= new \Ds\Set([123]);
var_dump($set->sum());
?>

O exemplo acima irá imprimir algo similar à:

int(6)

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

<?php
$set 
= new \Ds\Set([12.53]);
var_dump($set->sum());
?>

O exemplo acima irá imprimir algo similar à:

float(6.5)
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