Conditional statements in Laravel for Beginners

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🧩 Blade Conditional Directives in Blade files (HTML + PHP)

Imagine you're building a webpage where you want to display different content based on certain conditions—like showing a special message to logged-in users or displaying a list of products only if they exist. Blade's conditional directives make this easy and clean.

🔄 1. @if, @elseif, @else, and @endif

These directives allow you to execute code based on conditions.

Example:

<!-- resources/views/welcome.blade.php -->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Welcome Page</title>
</head>
<body>
    @php
        $user = 'admin'; // Change this to test different outputs
    @endphp

    @if ($user == 'admin')
        <h1>Welcome, Admin!</h1>
    @elseif ($user == 'editor')
        <h1>Welcome, Editor!</h1>
    @else
        <h1>Welcome, Guest!</h1>
    @endif
</body>
</html>

Output:

  • If $user is 'admin': Welcome, Admin!

  • If $user is 'editor': Welcome, Editor!

  • Otherwise: Welcome, Guest!

🚫 2. @unless

This is the inverse of @if. It executes the code inside unless the condition is true.

Example:

<!-- resources/views/welcome.blade.php -->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Welcome Page</title>
</head>
<body>
    @php
        $isAdmin = false; // Change this to test different outputs
    @endphp

    @unless ($isAdmin)
        <p>You are not an admin.</p>
    @endunless
</body>
</html>

Output:

  • If $isAdmin is false: You are not an admin.

  • If $isAdmin is true: No output.(Laravel)

🧠 3. @isset and @empty

  • @isset: Checks if a variable is set and not null.

  • @empty: Checks if a variable is empty.

Example:

<!-- resources/views/welcome.blade.php -->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Welcome Page</title>
</head>
<body>
    @php
        $email = 'user@example.com'; // Change this to test different outputs
    @endphp

    @isset($email)
        <p>Email is set: {{ $email }}</p>
    @endisset

    @empty($email)
        <p>Email is empty.</p>
    @endempty
</body>
</html>

Output:

  • If $email is 'user@example.com': Email is set: user@example.com

  • If $email is null: Email is empty.

🔄 4. @switch, @case, @default, and @endswitch

These are used for multiple conditions, similar to a switch-case statement.

Example:

<!-- resources/views/welcome.blade.php -->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Welcome Page</title>
</head>
<body>
    @php
        $role = 'admin'; // Change this to test different outputs
    @endphp

    @switch($role)
        @case('admin')
            <p>Welcome, Admin!</p>
            @break
        @case('editor')
            <p>Welcome, Editor!</p>
            @break
        @default
            <p>Welcome, Guest!</p>
    @endswitch
</body>
</html>

Output:

  • If $role is 'admin': Welcome, Admin!

  • If $role is 'editor': Welcome, Editor!

  • Otherwise: Welcome, Guest!

✅ Recap

  • @if, @elseif, @else, @endif: Standard conditional checks.

  • @unless: Executes code unless the condition is true.

  • @isset: Checks if a variable is set and not null.

  • @empty: Checks if a variable is empty.

  • @switch, @case, @default, @endswitch: Used for multiple conditions.

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