In Part 4 you learned how to use gettext for one of the most complex aspects of localization a developer can face, plural forms. In this, the final part of the five-part series, I’ll teach you how you to automate part of the localization process by extracting msgids and generating a PO template file ( .pot ) from your application’s PHP code. Let’s dive right in! Extracting Strings from Source You’ve seen how powerful gettext is, and how easy it was to incorporate localization into your applications. But what about ongoing maintenance?