for testing and deploying your application
for finding and fixing issues
for empowering human code reviews
<?php
declare(strict_types=1);
namespace Improved;
/**
* Return the arithmetic mean.
* If no elements are present, the result is NAN.
*
* @param iterable $iterable
* @return float
*/
function iterable_average(iterable $iterable): float
{
$count = 0;
$sum = 0;
foreach ($iterable as $item) {
$count++;
$sum += $item;
}
return $count == 0 ? \NAN : ($sum / $count);
jasny /
improved-php-iterable
Loading history...