Laravel unique id

Laravel generate unique token

use Illuminate\Support\Str;

public function yourFunction(){
 $var = Str::random(32);

 dd($var);
}

Laravel composite unique key

$table->unique(['mytext', 'user_id']);

Source: stackoverflow.com

Laravel rule unique where

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

Source: stackoverflow.com

Laravel unique id

function generateBarcodeNumber() {
    $number = mt_rand(1000000000, 9999999999); // better than rand()

    // call the same function if the barcode exists already
    if (barcodeNumberExists($number)) {
        return generateBarcodeNumber();
    }

    // otherwise, it's valid and can be used
    return $number;
}

function barcodeNumberExists($number) {
    // query the database and return a boolean
    // for instance, it might look like this in Laravel
    return User::whereBarcodeNumber($number)->exists();
}

Source: stackoverflow.com

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