parking_manage_system/app/Models/ParkingGateControl.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class ParkingGateControl extends Model
{
    use HasFactory;

    protected $table = 'parking_gate_control';

    protected $fillable
        = [
            'license_plate_id',
            'channel_id',
            'enter_at',
            'leave_at',
            'leave_type',
            'enter_img',
            'leave_img',
            'member_type',
            'customer_id',
            'member_id',
            'free_passage',
            'reservation_id'
        ];

    protected $hidden
        = [
            'created_at',
            'updated_at'
        ];

    public function getEnterAtAttribute($value): string
    {
        return $value ? date("Y-m-d H:i:s", strtotime($value)) : $value;
    }

    public function getLeaveAtAttribute($value): string
    {
        return $value ? date("Y-m-d H:i:s", strtotime($value)) : '';
    }

}