Set variables in a Laravel Blade Template? [SOLVED]


Steve Alila

Laravel

Laravel is known for its simplicity and elegance in building web applications. One of the key components of Laravel is its powerful templating engine called Blade. Blade templates provide a convenient way to separate the presentation logic from the application's backend code.

When working with Blade templates , it's often necessary to set variables that will be used to render dynamic content or control the behavior of the template. Whether you need to pass data from the controller to the view or perform calculations within the template itself, knowing how to set variables in a Laravel blade template is essential.

This blog post explores different techniques for setting variables in a Laravel Blade template. We'll cover various methods, including inline variable assignment, using the "with" method, leveraging the "compact" function, and utilizing the "@php" directive.

So, let's dive in and discover the different approaches to set variables in Laravel Blade templates that will enhance your productivity and help you build robust and dynamic web applications.

 

Using Inline Variable Assignment

Inline variable assignment in Laravel Blade templates provides a convenient and concise way to set variables directly within the template itself. This method is especially useful when you need to assign a simple value or perform a basic calculation without the need for complex logic.

To set a variable using inline assignment in a Blade template, you can use the following syntax:

@php
    $variableName = value;
@endphp

Let's break down the syntax:

  1. The @php directive indicates that you're entering PHP code within the Blade template.
  2. $variableName represents the name you want to give to your variable. Choose a meaningful and descriptive name to ensure clarity.
  3. = is the assignment operator that assigns a value to the variable.
  4. value is the actual value you want to assign to the variable. It can be a string, number, boolean, or the result of a simple calculation.

Here's an example to illustrate the usage of inline variable assignment in a Laravel Blade template:

<div>
    @php
        $pageTitle = "How to Set Variables in a Laravel Blade Template";
        $numberOfItems = 50;
        $totalPrice = $numberOfItems * 5.99;
    @endphp
    
    <h1>{{ $pageTitle }}</h1>
    <p>We have {{ $numberOfItems }} items in stock.</p>
    <p>The total price is ${{ $totalPrice }}.</p>
</div>

In this example, we set three variables: $pageTitle with a string value, $numberOfItems with an integer value, and $totalPrice with the result of multiplying $numberOfItems by the price per item. Later, we use these variables within the HTML markup using double curly braces {{ }} to output their values.

How to Set Variables in a Laravel Blade Template

 

Using the "with" method

the "with" method allows you to set variables and pass data from the controller to the view. This method is particularly useful when you want to assign multiple variables or when you need to pass data from the backend to the frontend.

To set variables in a Laravel Blade template using the "with" method, follow these steps:

In your controller, use the with method on the view function when returning the view. The with method accepts an array where the keys represent the variable names and the values represent the data to be assigned to those variables. For example:

return view('myview')->with([
    'variableName1' => $value1,
    'variableName2' => $value2,
    // Additional variables...
]);

In your Blade template, you can directly access the variables using their assigned names. For example:

<div>
    <h1>{{ $variableName1 }}</h1>
    <p>{{ $variableName2 }}</p>
    <!-- Additional variable usages... -->
</div>

By using the "with" method, you can easily pass data from the controller to the view and access it within the Blade template. This promotes separation of concerns and allows for more flexible and maintainable code.

Here's an example to illustrate the usage of the "with" method in a Laravel Blade template:

// route
use Illuminate\Support\Facades\Route;

Route::get('/', function () {

    $pageTitle = "How to Set Variables in a Laravel Blade Template";
    $numberOfItems = 50;
    $totalPrice = $numberOfItems * 5.99;

    return view('myview')->with([
        'pageTitle' => $pageTitle,
        'numberOfItems' => $numberOfItems,
        'totalPrice' => $totalPrice,
    ]);

});

<!-- Blade Template -->
<div>
    <h1>{{ $pageTitle }}</h1>
    <p>We have {{ $numberOfItems }} items in stock.</p>
    <p>The total price is ${{ $totalPrice }}.</p>
</div>

In this example, we assign the variables $pageTitle, $numberOfItems, and $totalPrice in the controller using the "with" method. Then, we access and display these variables in the Blade template using the double curly brace notation {{ }}.

Set variables in a Laravel Blade Template? [SOLVED]

 

Using the "compact" function

the "compact" function provides a convenient way to set variables by compacting them from the controller and passing them directly to the view. This method is particularly useful when you want to pass multiple variables in a concise manner.

To set variables in a Laravel Blade template using the "compact" function, follow these steps:

In your controller, define the variables you want to pass to the view.

$variableName1 = $value1;
$variableName2 = $value2;
// Additional variable definitions...

Return the view using the "compact" function, passing the variable names as arguments.

return view('myview', compact('variableName1', 'variableName2'));

In your Blade template, you can directly access the variables using their assigned names.

<div>
    <h1>{{ $variableName1 }}</h1>
    <p>{{ $variableName2 }}</p>
    <!-- Additional variable usages... -->
</div>

By using the "compact" function, you can pass multiple variables from the controller to the view without explicitly creating an array or using the "with" method.

Here's an example to illustrate the usage of the "compact" function in a Laravel Blade template:

// route
use Illuminate\Support\Facades\Route;

Route::get('/', function () {

    $pageTitle = "How to Set Variables in a Laravel Blade Template";
    $numberOfItems = 50;
    $totalPrice = $numberOfItems * 5.99;

    return view('welcome', compact('pageTitle', 'numberOfItems', 'totalPrice'));

});

<!-- Blade Template -->
<div>
    <h1>{{ $pageTitle }}</h1>
    <p>We have {{ $numberOfItems }} items in stock.</p>
    <p>The total price is ${{ $totalPrice }}.</p>
</div>

In this example, we define the variables $pageTitle, $numberOfItems, and $totalPrice in the controller. Then, we pass these variables to the view using the "compact" function. Finally, we access and display these variables in the Blade template using the double curly brace notation {{ }}.

Set variables in a Laravel Blade Template? [SOLVED]

 

Conclusion

Setting variables in Laravel Blade templates allows you to create dynamic and interactive web applications. Whether you prefer inline variable assignment, the with method, or the compact function, each method has advantages and can suit different scenarios. Experiment with these techniques, consider the specific requirements of your project and choose the approach that best fits your needs.

Now that you have a solid understanding of how to set variables in Laravel Blade templates, go ahead and unleash the power of Blade to create stunning and dynamic user interfaces for your Laravel applications.

 

Further Reading

How to Set Variables in a Laravel Blade Template

 

Views: 44

Steve Alila

He specializes in web design, WordPress development, and data analysis, with proficiency in Python, JavaScript, and data extraction tools. Additionally, he excels in web API development, AI integration, and data presentation using Matplotlib and Plotly. You can connect with him on LinkedIn or check his projects on GitHub page.

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