Ds\Sequence::sum

(PECL ds >= 1.0.0)

Ds\Sequence::sumReturns the sum of all values in the sequence

Description

abstract public Ds\Sequence::sum(): int|float

Returns the sum of all values in the sequence.

Note:

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

Liste de paramètres

Cette fonction ne contient aucun paramètre.

Valeurs de retour

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

Exemples

Exemple #1 Ds\Sequence::sum() integer example

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

Résultat de l'exemple ci-dessus est similaire à :

int(6)

Exemple #2 Ds\Sequence::sum() float example

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

Résultat de l'exemple ci-dessus est similaire à :

float(6.5)
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