Ich importiere, exportiere, Excel, CSV in oder aus der Datenbank

I’m a professional PHP developer with 10+ years of commercial experience in web application development, database design, and payment gateway integration. I specialize in Laravel, CodeIgniter, WordPress, and Core PHP. I have strong experience with Stripe and PayPal integrations, including subscriptions, webhooks, and secure checkout systems. I also work with third-party APIs such as Facebook, LinkedIn, Google, and Twitter. I write clean, fast, and scalable code focused on performance and reliability.