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How do you define an optional route parameter page in Laravel that defaults to 1 when not provided?

hard📝 Application Q8 of 15
Laravel - Routing
How do you define an optional route parameter page in Laravel that defaults to 1 when not provided?
ARoute::get('/posts/{page}', function ($page = 1) { return $page; });
BRoute::get('/posts/{page?}', function ($page = 1) { return $page; });
CRoute::get('/posts/{page?}', function ($page) { return $page; });
DRoute::get('/posts/page', function ($page = 1) { return $page; });
Step-by-Step Solution
Solution:
  1. Step 1: Define optional parameter

    Optional parameters are indicated by a question mark after the parameter name in the route.
  2. Step 2: Set default value in callback

    Assign a default value to the function parameter to handle cases when the parameter is missing.
  3. Final Answer:

    Route::get('/posts/{page?}', function ($page = 1) { return $page; }); -> Option B
  4. Quick Check:

    Use {param?} and default function argument [OK]
Quick Trick: Use {param?} and default value in function [OK]
Common Mistakes:
  • Not adding question mark for optional parameters
  • Not setting default value in function parameter
  • Defining optional parameter without default value

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