smms_law_re/app/Models/ViolationLaw.php

<?php

namespace App\Models;

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

class ViolationLaw extends Model
{
    use HasFactory;
    protected $table = 'violation_law';
    protected $fillable = [
        'code',
        'display_name',
        'type',
        'sort',
    ];

    public static function getTypeCodes()
    {
        $types = self::select('type')->distinct()->pluck('type')->toArray();
        $typeCodes = [];
        foreach ($types as $type) {
            if ($type == 99 || $type== 3 || $type == 1) {
                continue;
            }
            $codes = self::where('type', $type)->pluck('violationcode')->toArray();
            $typeCodes[$type] = $codes;
        }

        return $typeCodes;
    }
}