Yii2

Yii2 guide for Trezo.

Overview

Yii2 (Yii Framework 2) is a high-performance, open-source PHP framework designed for developing modern web applications quickly and efficiently. It follows the Model-View-Controller (MVC) architectural pattern and is known for its simplicity, flexibility, and robust features. Yii2 is an evolution of the original Yii framework, offering improved performance, security, and developer-friendly tools. Below is an overview of its key aspects:

Key Features:

  • MVC Architecture: Separates business logic (Model), user interface (View), and input handling (Controller) for cleaner, maintainable code.

  • High Performance: Optimized for speed with features like lazy loading, caching support, and efficient query building.

  • Active Record: Simplifies database operations with an object-oriented approach to interact with databases (e.g., MySQL, PostgreSQL, SQLite).

  • RESTful API Support: Built-in tools to quickly create REST APIs, making it ideal for modern web and mobile applications.

  • Security: Includes features like CSRF protection, encryption, password hashing, and input validation to secure applications.

  • Gii Code Generator: A powerful tool for auto-generating models, controllers, forms, and CRUD operations, speeding up development.

  • Extensibility: Highly customizable with a rich ecosystem of extensions available via Composer.

  • Form Handling: Simplifies form creation, validation, and submission with built-in widgets and helpers.

  • Internationalization (i18n): Supports multi-language applications with message translation and formatting.

  • Community and Ecosystem: Strong community support, detailed documentation, and integration with tools like Composer and PHPUnit.

Dear Valued Customer

Thank you for choosing our product! We hope that your experience with it has been smooth and enjoyable. However, we understand that sometimes technical issues or missing files may arise, and we want you to know that we’re here to help.

If you encounter any issues—whether it’s a missing file, a technical difficulty, or just a question about functionality—please don’t hesitate to reach out to us. You can easily create a support ticket, and our dedicated team will be on hand to assist you promptly.

How to Create a Support Ticket:

  1. Log in to Your Account: Navigate to the support section on our website.
  2. Select "Submit a Ticket Now": This option allows you to provide details of the issue you’re experiencing.
  3. Describe Your Issue: Please include as much information as possible (e.g., specific error messages, screenshots, or details about the steps that led to the issue). This will help us resolve your case quickly and effectively.

Our priority is to ensure you have the best experience possible, and we are committed to providing timely and effective support. We understand that technical issues can be frustrating, and we truly appreciate your patience and understanding as we work to resolve them.

Once again, thank you for your trust in us, and please remember—we’re here to help. Don’t hesitate to create a support ticket for any assistance you may need!

Best regards,

EnvyTheme Support Team

Yii2 Project Installation Guide

This guide provides step-by-step instructions to install and deploy a Yii2 framework-based PHP web application. It is written for beginners and covers all the essential steps, from setting up dependencies to configuring the environment and deploying to a production server.

1. Project Dependencies

Before installing the project, ensure your system meets the following requirements:

  • PHP – Yii2 requires PHP 5.4.0 or above, and it’s recommended to use a modern version (PHP 7.4 or PHP 8.x). Make sure required PHP extensions are enabled, especially the PDO extension and a database driver like pdo_mysql for MySQL Link. Also enable common extensions such as OpenSSL, mbstring, intl, GD, etc., which are often needed.

  • Database (MySQL) – A MySQL server (version 5.6+ or MariaDB 10+ recommended) should be installed for the application’s database. Ensure you have access credentials and the ability to create a new database.

  • Web Server – An HTTP server capable of running PHP is required. You can use Apache or Nginx on Linux/Mac/Windows (for example, a typical LAMP/LEMP stack) . Apache should have the mod_rewrite module enabled for friendly URLs, and Nginx should be configured for PHP handling.

  • Composer – Composer is the PHP dependency manager used by Yii2. Install Composer (version 2.x or latest) from the official website. On Windows, you can use the Composer Installer; on Linux/Mac, you can use the command-line installer.

  • Additional Tools – Git (optional, if you plan to clone the project repository). If the project uses front-end build tools (check the project README), you may need Node.js and npm/yarn, but for most Yii2 projects this is not required unless specified.

Note: On Windows or macOS, a convenient way to get PHP, MySQL, and Apache is to install an all-in-one package like XAMPP or MAMP. This will provide a local web server environment with the required components out of the box. On Linux, install the PHP package (with required extensions) and MySQL via your distribution’s package manager (for example, on Ubuntu: sudo apt install apache2 php php-mysql mysql-server). Verify that PHP is working (e.g., run php -v in a terminal) and that MySQL is running before proceeding.

2. Installation Steps

Follow these steps to set up the Yii2 project on your local machine:

  1. Download the Source Code – Obtain the project’s code from the source. You can download the project as a ZIP archive.

  2. Install PHP and Composer – If you haven’t already, install PHP (with the extensions mentioned in the dependencies section) and Composer on your system. Ensure Composer is accessible in your command line (try composer --version). Composer will be used to install Yii2 and project libraries.

  3. Navigate to Project Directory – Open a terminal/command prompt, and navigate to the root folder of the project (where the composer.json file is located). For example:

cd path/to/trezo-yii2
  1. Install PHP Dependencies – Run Composer to install all required PHP packages for the project. Use the following command:
composer install

This will download and install Yii2 framework and any other dependencies defined in composer.json. (If this is a fresh Yii2 template, it will also fetch front-end asset packages via Composer.) During this process, if prompted for GitHub tokens or other info, follow the on-screen instructions. After completion, a vendor/ directory will appear with all dependencies.

  1. Set Up the Configuration – Many Yii2 projects require some initial configuration before they can run. Check if your project has a template for environment settings (commonly a file named .env.example or .env.dist). If so, copy it to .env in the project root and open it in a text editor. Update the configuration values as needed:

    • YII Environment Mode: Set YII_DEBUG to true and YII_ENV to dev for a development environment. This enables detailed error reports and development tools. For example in the .env file:
YII_DEBUG = true

YII_ENV = dev
  1. Verify the Installation – Now test the application locally to verify everything is set up. You have a couple of options:
    • Using PHP’s Built-in Server: Yii2 provides a convenient command to run a development server. Execute:
php yii serve

Support

If you need more details or encounter any issues, please contact the support team.