Online PHP editor | output for vDGJn

<?php // todays date $today = date("Ymd"); // Call the getAge function if (isset($_POST['birth_date'])) { $age = getAge($birth_date) } //Or fail else die; { function getAge($birth_date){ list($year, $month, $day) = explode("-", $birth_date); var_dump($year, $month, $day); $year_diff = date("Y") - $year; $month_diff = date("m") - $month; $day_diff = date("d") - $day; if ($day_diff < 0) { $month_diff--; } if ($month_diff < 0) { $year_diff--; } return $year_diff; }