01
Hostinger, public_html & Your First PHP Page
Understand document roots, subdomains, folders, URLs, index files, and how Hostinger serves PHP.
This subdomain is your safe hands-on laboratory. Every lesson explains a concept, shows the code, and gives you a small task to test directly on Hostinger.
Learn in a controlled sequence so that each new feature builds on a working previous version.
Lesson 01 is fully active. The next lessons are already linked and can be expanded without changing the overall structure.
Understand document roots, subdomains, folders, URLs, index files, and how Hostinger serves PHP.
Build page structure, shared styling, menus, application cards, and correct relative/root paths.
Learn reusable server-side files, sessions, protected pages, sign-in flow, and safe redirects.