laravel request is undefined

Question

I am a newbie in Laravel, so everything is under exploration period. I use angular http post to send data over to laravel and in laravel controller i am able to

dd($request) Request {#40 #json: ParameterBag {#32 #parameters: array:4 [ "GPTour_id" => 1 "customer_id" => 1 "status" => "Confirmed" "note" => "asdfasdf" ] } #userResolver: Closure {#300 class: "Illuminate\Auth\AuthServiceProvider" this: AuthServiceProvider {#22 …} use: array:1 [ "$app" => Application {#3 #basePath: "/Users/haophung/Dropbox/server/websites/nglaravelyep/laravel-backend" #hasBeenBootstrapped: true #booted: true #bootingCallbacks: []

However, if i use

$request->input('key')

i got $request is undefined. Please advise!!!

public function addGospelCustomer(Request $request) { if ($request) { $customer_id = $request->get('customer_id'); $tour_id = $request->get('GPTour_id'); $validator = Validator::make($request->all(), [ 'customer_id' =>'required' ]); if ($validator->fails()) { return response()->json(['error' => $validator->errors()], 406); } $gospel_customer = Gospel_tour::find($tour_id)->with(['customers' => function($query) { $query->where('id', $customer_id); }])->first(); if ($gospel_customer === 'null') { return response()->json(['error' => "The Customer is already on the list"], 406); } return 'success';//response()->json(['success' => $request], 200); }else { return response()->json(['error' =>'can not add customer'], 401); } }

ErrorException in GospelController.php line 60: Undefined variable: customer_id

I think the problem is

 $gospel_customer = Gospel_tour::find($tour_id)->with(['customers' => function($query) { $query->where('id', $customer_id); }])->first();

I can echo $customer_id out, but in this eloquent is not defined

Check my update to fix your error. You need to add use($customer_id) — EddyTheDove
– EddyTheDove, Commented Mar 16, 2017 at 1:20
if i dd($request->get('key') i got the value. i don't know why if assigned to a var it doesn't work. — Hao Phung
– Hao Phung, Commented Mar 16, 2017 at 1:20

EddyTheDove · Accepted Answer · 2017-03-16 01:26:46Z

You need to typehint requestion in your function definition

public function name(Request $request) {}

And use it like

$key = $request->key; $key = $request->get('key');

Or use the global function

$key = request('key');

Update

Where you have the error exception do

$gospel_customer = Gospel_tour::find($tour_id)->with(['customers' => function($query) use ($customer_id) { $query->where('id', $customer_id); }]);

The error occurs because you are inside a closure, and it doesn't have access to external variables.

Even with the global helper? Please add your controller to your question and let's see.

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