Checking Username Availability in Laravel - php

Question

Is there a way to check if a username is already taken in laravel? I mean I want to check if a username is taken already without submitting the form that means checking the availability of the username while the user is typing. If there is what language should I use? And please cite examples. Thank you!

Answer 1

$count = User::where('userName', 'like', '%Lyka%')->count();
if($count > 0)
{
//username exists
}
else
{
//username doesn't exist
}
or you can validate in laravel validation itself
$rules = array('username' => 'required|unique:user');
$validator = Validator::make(Input::all(), $rules);
if ($validator->fails())
{
$messages = $validator->messages()->first();
Session::put('msg',$messages);
return Redirect::back();
} else {
// username not exist
}
unique:user => unique from the table called user
username => is the column of the table user

Answer 2

A better approach would be to use laravel validation. Use ajax to send the input to laravel backend. And then somewhere in your controller.
$validator = Validator::make($request->all(), [
'username' => 'unique:users',
]);
And check if it fails
if ($validator->fails()) {
//do whatever you want to do at fail
//possible return appropriate json with error
}

Answer 3

Is there a way to check if a username is already taken in laravel?
Yes, try some PHP like the following:
$count = User::where('userName', '=', 'Lyka')->count();
if($count > 0)
{
//username exists
}
else
{
//username doesn't exist
}
If you want to check asynchronously you would have to write some Javascript and use AJAX to check while the user is filling out the form.
If there is what language should I use?
PHP obviously and Javascript.
Good luck.