Deque
PHP Manual

Ds\Deque::sum

(PECL ds >= 1.0.0)

Ds\Deque::sumReturns the sum of all values in the deque.

Descrição

public number Ds\Deque::sum ( void )

Returns the sum of all values in the deque.

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 deque as either a float or int depending on the values in the deque.

Exemplos

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

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

O exemplo acima irá imprimir algo similar à:

int(6)

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

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

O exemplo acima irá imprimir algo similar à:

float(6.5)

Deque
PHP Manual