What experience do you have in PHP project development and how many such projects have you implemented?

I have experience developing several projects in PHP, including web applications and APIs. In total, I have implemented about 3-5 projects of varying complexity.

Within these projects, I:

• Wrote server-side logic in PHP, worked with databases (MySQL, PostgreSQL).
• Used popular frameworks such as Laravel and Symfony.
• Developed REST APIs for interaction with frontend and mobile applications.
• Conducted performance optimization and ensured application security.

Example of simple PHP code for handling a request:

<?php
// Simple API example in PHP
header('Content-Type: application/json');

if ($_SERVER['REQUEST_METHOD'] === 'GET') {
    $data = ['message' => 'Hello, world!'];
    echo json_encode($data);
} else {
    http_response_code(405);
    echo json_encode(['error' => 'Method Not Allowed']);
}
?>