[Solved] Which of the following correctly defines a Laravel route that requires a parameter named userId? — Ans: Route::get('/profile/{userId}', function ($userId) { return $userId; }); | Laravel

Laravel - Routing

Which of the following correctly defines a Laravel route that requires a parameter named userId?

ARoute::get('/profile/{userId?}', function () { return $userId; });

BRoute::get('/profile/userId', function ($userId) { return $userId; });

CRoute::get('/profile/{userId}', function ($userId) { return $userId; });

DRoute::get('/profile/{userId}', function () { return $userId; });

Step-by-Step Solution

Solution:

Step 1: Identify required parameter syntax
Required parameters are enclosed in curly braces without a question mark.
Step 2: Match parameter name in callback
The function parameter must match the route parameter name to access its value.
Final Answer:
Route::get('/profile/{userId}', function ($userId) { return $userId; }); -> Option C
Quick Check:
Required parameters use {param} and callback must accept it [OK]

Quick Trick: Use {param} and matching function argument [OK]

Common Mistakes:

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Which of the following correctly defines a Laravel route that requires a parameter named userId?