get unique values in laravel
$users = User::select('name')->distinct()->get();get unique values in laravel
$users = User::select('name')->distinct()->get();laravel unique validation
/**
* Store a new blog post.
*
* @param Request $request
* @return Response
*/
public function store(Request $request)
{
$validatedData = $request->validate([
'title' => 'required|unique:posts|max:255',
'body' => 'required',
]);
// The blog post is valid...
}laravel set field unique
Schema::table('manufacturers', function($table)
{
$table->string('name')->unique();
});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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