Mostrar los cumpleaños con php base de datos oracle

[pilucho]

<?php
//calculate years of age (input string: YYYY-MM-DD)
function birthday ($birthday){
list($year,$month,$day) = explode("-",$birthday);
$year_diff = date("Y") - $year;
$month_diff = date("m") - $month;
$day_diff = date("d") - $day;
if ($day_diff < 0 ¦¦ $month_diff < 0)
$year_diff--;
return $year_diff;
}

?>