Form Request Handling

Laravel handles form submissions through the Request object.

Key Features

• $request->input("key") � get input
• $request->all() � all input
• old() � flash previous input

Syntax

LARAVEL

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public function store(Request $request) {
    $name = $request->input("name");
    Post::create($request->all());
    return redirect("/posts")->with("success", "Post created!");
}
// In Blade: <input name="name" value="{{ old("name") }}">

PHP Form Processing

PHP

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<?php
if ($_SERVER["REQUEST_METHOD"] === "POST") {
    $name = htmlspecialchars($_POST["name"] ?? "");
    $email = htmlspecialchars($_POST["email"] ?? "");

    if (empty($name) || empty($email)) {
        echo "Please fill all fields.
";
    } else {
        echo "Name: $name
";
        echo "Email: $email
";
        echo "Form submitted successfully!
";
    }
}
?>

Try It Yourself

Practice

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Exercise

Handle a form with old input preservation.

Answer

<form method="POST">@csrf
<input name="title" value="{{ old("title") }}">
@error("title")<span>{{ $message }}</span>@enderror
</form>

Quick Quiz

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What does old() do?

Gets old data

Returns previous input

Deletes data

old() returns previously submitted input after redirect.

Retry Quiz

Interview Questions

What is request flashing?

Flash data persists only for the next request, used for success/error messages after redirects.

Next Lesson

Validation