Ds\Deque::sum
PHP function
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(PECL ds >= 1.0.0)
Returns the sum of all values in the deque
Description
Ds\Deque::sum(): int|float
Returns the sum of all values in the deque.
Note
Arrays and objects are considered equal to zero when calculating the sum.
Parameters Parameters
Return Values
The sum of all the values in the deque as either a float or int depending on the values in the deque.
Examples
Ds\Deque::sum() integer example
php
<?php
$deque = new \Ds\Deque([1, 2, 3]);
var_dump($deque->sum());
?>The above example will output something similar to:
output
int(6)Ds\Deque::sum() float example
php
<?php
$deque = new \Ds\Deque([1, 2.5, 3]);
var_dump($deque->sum());
?>The above example will output something similar to:
output
float(6.5)