SATICI KASSİR

Core PHP (OOP & Procedural)

MySQL / MariaDB

SQL (Complex Queries, Joins, Indexing)

RESTful API Development

File Handling (Upload, Read, Write, Delete)

Session & Cookie Management

Data Validation (Server-side)

Security (SQL Injection Prevention, XSS, CSRF)

Password Hashing & Encryption

Error Handling & Debugging

Git / Version Control

CLI Scripting

cURL, SSH, FTP