CustomException class in Laravel

Introduction#

PHP Exceptions are thrown when an unprecedented event or error occurs.

As a rule of thumb, an exception should not be used to control the application logic such as if-statements and should be a subclass of the Exception class.

One main advantage of having all exceptions caught by a single class is that we are able to create custom exception handlers that return different response messages depending on the exception.

CustomException class in laravel

all errors and exceptions, both custom and default, are handled by the Handler class in app/Exceptions/Handler.php with the help of two methods.

report()

render()

public function render($request, Exception $e)
{
 //check if exception is an instance of ModelNotFoundException.
 if ($e instanceof ModelNotFoundException)
 {
     // ajax 404 json feedback
     if ($request->ajax())
     {
         return response()->json(['error' => 'Not Found'], 404);
     }
     // normal 404 view page feedback
     return response()->view('errors.missing', [], 404);
  }
   return parent::render($request, $e);
}

then create view related to error in errors folder named 404.blade.php

User not found.

You broke the balance of the internet