convert float number to age php code example

Example: php calculate age as float

$birthDate = new DateTime('2020-6-12'); // Your date of birth
$todayDate = new Datetime(date('m.d.y'));
$Age = $todayDate->diff($birthDate);
$Age = $Age->y + $Age->m/12; 
// reslut will be somthing like this:13.7