laravel unique id

1use Illuminate\Support\Str;
2
3public function yourFunction(){
4 $var = Str::random(32);
5
6 dd($var);
7}

1'required|email|unique:company_users,email_address,NULL,id,company_id,' . $request->company_id
2

1function generateBarcodeNumber() {
2    $number = mt_rand(1000000000, 9999999999); // better than rand()
3
4    // call the same function if the barcode exists already
5    if (barcodeNumberExists($number)) {
6        return generateBarcodeNumber();
7    }
8
9    // otherwise, it's valid and can be used
10    return $number;
11}
12
13function barcodeNumberExists($number) {
14    // query the database and return a boolean
15    // for instance, it might look like this in Laravel
16    return User::whereBarcodeNumber($number)->exists();
17}
18