parking_manage_system/app/Models/ParkingLicensePlate.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;
use Illuminate\Support\Collection;

class ParkingLicensePlate extends Model
{
    use HasFactory, SoftDeletes;

    protected $table = 'parking_license_plate';

    protected $fillable = [
        'number',
        'space_type_id'
    ];

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

    public static function getNumber($id)
    {
        return self::query()->where('id', $id)->value('number') ?? '';
    }

    public static function getId($number): array|Collection
    {
        return self::query()->where('number', 'like', "%{$number}%")->pluck(
            'id'
        )->toArray();
    }
}