Lumen: get URL parameter in a Blade view

I'm trying to get a url parameter from a view file.

I have this url:

http://locahost:8000/example?a=10

and a view file named example.blade.php.

From the controller I can get the parameter a with $request->input('a').

Is there a way to get such parameter from the view (without having to pass it from the controller to the view)?

This works well:

{{ app('request')->input('a') }}

Where a is the url parameter.

See more here: http://blog.netgloo.com/2015/07/17/lumen-getting-current-url-parameter-within-a-blade-view/

The shortest way i have used

{{ Request::get('a') }}

More simple in Laravel 5.7 and 5.8

{{ Request()->parameter }}

This works fine for me:

{{ app('request')->input('a') }}

Ex: to get pagination param on blade view:

{{ app('request')->input('page') }}

You can publicly expose Input facade via an alias in config/app.php:

'aliases' => [
    ...

    'Input' => Illuminate\Support\Facades\Input::class,
]

And access url $_GET parameter values using the facade directly inside Blade view/template:

{{ Input::get('a') }}

Laravel 5.8

{{ request()->a }}

As per official 5.8 docs:

The request() function returns the current request instance or obtains an input item:

$request = request();

$value = request('key', $default);

Docs

Laravel 5.6:

{{ Request::query('parameter') }}

Given your URL:

http://locahost:8000/example?a=10

The best way that I have found to get the value for 'a' and display it on the page is to use the following:

{{ request()->get('a') }}

However, if you want to use it within an if statement, you could use:

@if( request()->get('a') )
    <script>console.log('hello')</script>
@endif

Hope that helps someone! :)

来源：https://stackoverflow.com/questions/31324801/lumen-get-url-parameter-in-a-blade-view

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