Passing id through an link href in Laravel
Stefan Izdrail
Founder & Senior Architect · 2026-06-29
Title: Passing ID Through Link Href in Laravel - A Comprehensive Guide
Introduction: In Laravel, there are multiple ways to pass an id through link hrefs. To achieve this effectively, you need to understand proper routing techniques, controller actions, and best practices for designing your application's URL structure. This blog post will delve into the various methods of passing ids in a Laravel application and highlight their benefits and challenges.
Method 1: Using the 'route()' Helper Function
The most common approach is to use Laravel's built-in 'route()' helper function. It can be used to generate and call routes dynamically, allowing you to pass id values without hardcoding them in your href attributes. For instance:
<td><a href="{{ route('yourRoutename', $projects->id) }}" class="btn btn-info">View</a></td>
In this case, you would have a route in your routes file like:
<?php
Route::get('projects/{projectId}/display', 'ProjectsController@getDisplay')->name('yourRoutename');
Your controller would then have a corresponding action to handle the request:
<?php
namespace App\Http\Controllers;
use Illuminate\Http\Request;
class ProjectsController extends Controller
{
public function getDisplay($projectId)
{
$project = Project::find($projectId);
return view('projects/display')->withProject($project);
}
}
Method 2: Specifying the Route in the Blade View
You may also define routes within your views without touching the main Laravel routes file. This can be useful for quick prototypes or isolated sections of your application that don't need to be accessible from other pages. For example, you could create your view as follows:
<td><a href="{{ route('yourRoutename', $projects->id) }}" class="btn btn-info">View</a></td>
Inside your view, you would add the following:
<?php
Route::get('projects/{projectId}/display', 'ProjectsController@getDisplay');
Route::get('/', function () {
return view('yourview.blade')->with([
'routes' => [
'yourRoutename' => route('yourRoutename')
]
]);
});
Method 3: Using Hidden Input Fields and Form Actions
In cases where you don't want to use routes or the helper function, you can use hidden input fields within a form. This method involves creating an HTML form with a hidden input field that stores the project id, passing it through the form, and then using a route to handle the form submission:
<td><form action="{{ url('projects/display') }}" method="POST">
<input type="hidden" name="_method" value="PUT"/>
<input type="hidden" name="project_id" value="{{ $projects->id }}" />
<button class="btn btn-info" type="submit">View</button>
</form></td>
In conclusion, there are several ways to pass an id through a link href in Laravel. Each method has its own advantages and drawbacks based on your application's structure and needs. The 'route()' helper function provides the most straightforward solution while still maintaining readable URLs, while using hidden input fields with form actions can be beneficial for more complex scenarios involving multiple form submissions or additional inputs. As a Laravel developer, it is essential to understand these methods and choose the one that best fits your project's requirements.