Notes on building.
Occasional writing on design, development, and the craft of making thoughtful things.
How PHP Password Hashing Works: bcrypt, password_hash, and Security Best Practices
Learn how PHP password hashing works with password_hash(), password_verify(), and bcrypt. Full working code for registration and login, entropy explained, and why MD5 will get your users hacked.
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Free Password Generator & Strength Checker
Generate strong passwords and passphrases instantly with this free browser-based tool. See real-time entropy, crack time estimates for GPU attacks, and QR code transfer. No server, no logging, fully client-side.
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MaternaTrack: Maternal Health Monitoring System in PHP
A complete maternal health monitoring system for Philippine healthcare facilities; automated risk classification, SMS alerts, DOH-aligned reports, prenatal tracking, and multi-tenant support. Built with PHP and MySQL.
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BoardHub: Smart Boarding House Management System in PHP
A complete boarding house management system built with PHP and MySQL; manage tenants, rooms, billing, payments, utilities, maintenance, and contracts from one dashboard. Full source code included.
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How to Build a PHP Login & Registration System From Scratch
Build a PHP login and registration system from scratch with password hashing, brute-force protection, remember me, session security, and CSRF tokens. Full working code, no frameworks.
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How to Build a PHP CRUD Application From Scratch
Learn how to build a complete PHP CRUD application with MySQL and PDO with full working code, input validation, prepared statements, and CSRF protection. No frameworks needed.
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