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PHP Project: Full-Stack Web App - Concepts

Explore the key concepts of php project: full-stack web app with practical examples and exercises.

45 min•By Priygop Team•Last updated: Feb 2026

Introduction to PHP Project: Full-Stack Web App

In this section, we cover the fundamental aspects of php project: full-stack web app. You'll learn core concepts, see real-world examples, and understand how to apply them in your projects.

Key Concepts

Understanding the core principles of php project: full-stack web app
Practical applications and real-world use cases
Step-by-step implementation guides
Common patterns and best practices
Tips for debugging and troubleshooting
Performance optimization techniques

PHP Project: Full-Stack Web App - Code Example

Example

<?php
// Full-stack PHP app structure

// Router
$uri = parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
$method = $_SERVER["REQUEST_METHOD"];

switch ("$method $uri") {
    case "GET /":
        echo "<h1>Welcome</h1>";
        break;
    case "GET /api/users":
        header("Content-Type: application/json");
        echo json_encode([
            ["id" => 1, "name" => "Alice"],
            ["id" => 2, "name" => "Bob"]
        ]);
        break;
    case "POST /api/users":
        $data = json_decode(file_get_contents("php://input"), true);
        header("Content-Type: application/json");
        echo json_encode(["success" => true, "id" => 3]);
        break;
    default:
        http_response_code(404);
        echo "Not Found";
}
?>

Try It Yourself: PHP Project: Full-Stack Web App

Try It Yourself: PHP Project: Full-Stack Web AppJavaScript⚠ 1 error

⚠ Syntax Issues (1)

Line 1: JS Error: Unexpected token '<'

💡 Missing or extra {}()[] or operator near the error.

JavaScript Editor

✕ 1 errorTab = 2 spaces

<?php
// JSON API helper
function jsonResponse(array $data, int $status = 200): void {
    http_response_code($status);
    header("Content-Type: application/json");
    echo json_encode($data, JSON_PRETTY_PRINT);
}

function errorResponse(string $message, int $status = 400): void {
    jsonResponse(["error" => $message, "status" => $status], $status);
}

// Example API responses
$users = [
    ["id" => 1, "name" => "Alice", "email" => "alice@example.com"],
    ["id" => 2, "name" => "Bob", "email" => "bob@example.com"]
];

jsonResponse(["users" => $users, "total" => count($users)]);
?>

Result

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Edit the code on the left, then click Run

JavaScript|20 lines|592 chars|1 error, 0 warnings

UTF-8

Quick Quiz: PHP Project: Full-Stack Web App

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