Introduction
When writing PHP apps, one common issue you might face as a developer is when your enabled PHP extensions are not compatible with what your framework or script requires.
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Intended Audience
This article is aimed at developers who have encountered the “the mbstring extension is missing. please check your php configuration” issue when trying to install a package or script either on their local development environment or on a live server.
What Are PHP Extensions?
In basic terms, PHP extensions are specially formed libraries or plugins. They are used to add intended functionality to projects you’re working on.