laravel generate unique token
use Illuminate\Support\Str;
public function yourFunction(){
$var = Str::random(32);
dd($var);
}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']);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();
}Copyright © 2021 Codeinu
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