PHP Function To Calculate The Mean Value Of An Array Of Numbers

function mean($numbers) {
  $sum = 0;
  $count = count($numbers);
  foreach ($numbers as $number) {
    $sum += $number;
  }
  return $sum / $count;
}

$numbers = [1, 2, 3, 4, 5];
$mean = mean($numbers);

echo "The mean value of the numbers is: " . $mean;