“甲、乙、丙、丁、戊、己、庚、辛、壬、癸” 称为十天干
“子、丑、寅、卯、辰、巳、午、未、申、酉、戌、亥” 称为十二地支

<?php
$天干 = array('甲','乙','丙','丁','戊','己','庚','辛','壬','癸');
$地支 = array('子','丑','寅','卯','辰','巳','午','未','申','酉','戌','亥');
$生肖 = array('鼠','牛','虎','兔','龙','蛇','马','羊','猴','鸡','狗','猪');
$年份 = date("Y");
$本年天干 = (($年份-3) % 10)-1;
$本年地支 = (($年份-3) % 12)-1;
$本年生肖 = (($年份-3) % 12)-1;
$返回 = array
(
    array($天干[$本年天干]),
    array($地支[$本年地支]),
    array($生肖[$本年生肖]),
    array(date("Y-m-d")),
    array(date("h:i:sa"))

);
echo(json_encode($返回));