How to pass a variable to the layout using Laravel' Blade templating?

How to pass a variable to the layout using Laravel' Blade templating?

In Laravel's Blade templating engine, you can pass variables to layouts (also known as master templates) in several ways. Here are a few common methods:

1. Using with Method

You can pass variables to the layout using the with method in the controller.

public function index() { $title = 'My Page Title'; return view('child-view')->with('title', $title); }

2. Using compact Method

You can use the compact method to pass multiple variables to the view.

public function index() { $title = 'My Page Title'; $description = 'This is a description.'; return view('child-view', compact('title', 'description')); }

3. Using share Method

You can share variables globally with all views using the share method in the AppServiceProvider.

// App\Providers\AppServiceProvider.php public function boot() { view()->share('title', 'My Shared Title'); }

4. Passing Data Directly in the View

When calling a view from another view, you can pass variables directly.

{{-- child-view.blade.php --}} @extends('layouts.master', ['title' => 'My Page Title'])

5. Accessing Passed Data in Layout

In your layout file, you can access the passed variables like any other Blade variable.

{{-- layouts/master.blade.php --}} <!DOCTYPE html> <html> <head> <title>{{ $title ?? 'Default Title' }}</title> </head> <body> @yield('content') </body> </html>

Example

Here is a complete example to demonstrate passing a variable to a layout using the with method:

Controller Method

// App\Http\Controllers\PageController.php namespace App\Http\Controllers; use Illuminate\Http\Request; class PageController extends Controller { public function index() { $title = 'My Page Title'; return view('child-view')->with('title', $title); } }

Layout File

{{-- resources/views/layouts/master.blade.php --}} <!DOCTYPE html> <html> <head> <title>{{ $title ?? 'Default Title' }}</title> </head> <body> <h1>{{ $title ?? 'Default Title' }}</h1> @yield('content') </body> </html>

Child View File

{{-- resources/views/child-view.blade.php --}} @extends('layouts.master') @section('content') <p>This is the content of the child view.</p> @endsection

With these methods, you can efficiently pass variables to your layouts in Laravel using Blade templating.

Examples

  1. Laravel Blade pass variable to layout

    • Description: Pass a variable from a controller or view to a Blade layout file for consistent data across multiple views.
    • Code:
      // In Controller or Route Closure return view('page')->with('variable', $value); // In Blade Layout <html> <head> <title>{{ $variable }}</title> </head> <body> @yield('content') </body> </html>
    • Explanation: Use the with() method to pass data from a controller to a view. Access the variable in the Blade layout using {{ $variable }}.

  2. Laravel Blade include with variable

    • Description: Include a Blade view within a layout while passing a variable to the included view.
    • Code:
      // In Controller or Route Closure return view('page', ['variable' => $value]); // In Blade Layout <html> <head> <title>@yield('title')</title> </head> <body> @include('includes.header', ['variable' => $variable]) @yield('content') </body> </html>
    • Explanation: Pass the variable directly when including a Blade view using @include('view', ['variable' => $value]).

  3. Laravel Blade share variable with all views

    • Description: Share a variable globally across all views and layouts in Laravel's Blade templating system.
    • Code:
      // In AppServiceProvider.php public function boot() { view()->share('variable', $value); } // In Blade Layout <html> <head> <title>{{ $variable }}</title> </head> <body> @yield('content') </body> </html>
    • Explanation: Use the view()->share() method within the boot() method of AppServiceProvider.php to share a variable globally.

  4. Laravel Blade pass array to layout

    • Description: Pass an array of variables from a controller or view to a Blade layout for structured data presentation.
    • Code:
      // In Controller or Route Closure $data = [ 'variable1' => $value1, 'variable2' => $value2, ]; return view('page')->with($data); // In Blade Layout <html> <head> <title>{{ $variable1 }}</title> </head> <body> @yield('content') </body> </html>
    • Explanation: Bundle multiple variables into an array and pass it using with() or directly to the view.

  5. Laravel Blade pass variable to included view

    • Description: Pass a variable from a Blade view to an included partial view for dynamic content rendering.
    • Code:
      // In Blade View @include('partials.sidebar', ['variable' => $value]) // In included Blade Partial (sidebar.blade.php) <div>{{ $variable }}</div>
    • Explanation: Use the @include directive to pass data to an included Blade partial view.

  6. Laravel Blade pass variable to nested layout

    • Description: Pass a variable from a controller or view to a nested Blade layout for structured page organization.
    • Code:
      // In Controller or Route Closure return view('page')->with('variable', $value); // In Nested Blade Layout @extends('layouts.app') @section('content') <div>{{ $variable }}</div> @endsection
    • Explanation: Extend a layout (@extends('layout')) and define sections (@section('content')) to include variables passed from controllers or views.

  7. Laravel Blade set global variable in view

    • Description: Define a global variable directly within a Blade view for consistent data availability.
    • Code:
      @php $variable = $value; @endphp <html> <head> <title>{{ $variable }}</title> </head> <body> @yield('content') </body> </html>
    • Explanation: Use @php ... @endphp to set a variable directly within a Blade view for global usage.

  8. Laravel Blade pass variable to parent layout

    • Description: Pass a variable from a child view to its parent layout in Laravel Blade templating.
    • Code:
      // In Child Blade View @extends('layouts.app', ['variable' => $value]) // In Parent Layout (layouts.app.blade.php) <html> <head> <title>{{ $variable }}</title> </head> <body> @yield('content') </body> </html>
    • Explanation: Extend a parent layout while passing variables to it using @extends('layout', ['variable' => $value]).

  9. Laravel Blade pass variable to master layout

    • Description: Pass a variable from a view to the master layout (app.blade.php) in Laravel's Blade templating.
    • Code:
      // In Controller or Route Closure return view('page', ['variable' => $value]); // In Master Layout (app.blade.php) <html> <head> <title>@yield('title')</title> </head> <body> @include('partials.header') @yield('content') @include('partials.footer', ['variable' => $variable]) </body> </html>
    • Explanation: Pass a variable from a controller or route to a view and then include it in the master layout using @include('partial', ['variable' => $value]).

  10. Laravel Blade share variable between views

    • Description: Share a variable between multiple views and layouts in Laravel's Blade templating system.
    • Code:
      // In Controller or Route Closure $variable = $value; return view('page1')->with('variable', $variable); // In Blade Views or Layouts <html> <head> <title>{{ $variable }}</title> </head> <body> @yield('content') </body> </html>
    • Explanation: Assign a variable in a controller or route and pass it to multiple views or layouts using with() or @include.

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