What are some essential tools or frameworks that PHP developers should be familiar with in order to streamline their development process?

To streamline their development process, PHP developers should be familiar with tools and frameworks that help automate repetitive tasks, improve code quality, and enhance productivity. Some essential tools include Composer for dependency management, PHPUnit for unit testing, Laravel or Symfony for building web applications, and Xdebug for debugging.

// Example using Composer for dependency management
// Install Composer globally: https://getcomposer.org/download/
// Create a `composer.json` file in your project directory
// Define your dependencies and run `composer install`

// composer.json
{
    "require": {
        "monolog/monolog": "^1.0"
    }
}