BaoMa/app/Models/Patient.php

<?php
/**
 * Created by PhpStorm.
 * User: zilongs
 * Date: 20-10-1
 * Time: 上午12:10
 */

namespace App\Models;

class Patient extends BaseModel
{
    protected $appends = ['age'];

    public function getAgeAttribute()
    {
        return birthday_to_age($this->birthday);
    }
}