15 lines
240 B
PHP
15 lines
240 B
PHP
<?php
|
|
// Created with PHP 7.0
|
|
|
|
function rms(array $numbers)
|
|
{
|
|
$sum = 0;
|
|
|
|
foreach ($numbers as $number) {
|
|
$sum += $number**2;
|
|
}
|
|
|
|
return sqrt($sum / count($numbers));
|
|
}
|
|
|
|
echo rms(array(1, 2, 3, 4, 5, 6, 7, 8, 9, 10));
|