Install a PHP Extension using PECL MAMP GmbH May 20, 2021 05:56 Updated MAMP PRO provides you with all the requirements to install PHP Extension using PECL. In our online documentation you will find a detailed guide on this topic. Related articles My intl extension is missing. Why does MAMP not include the latest OpenSSL library? I really need Postfix! Please bring it back, please, please, please! I cannot get my Remote site to work? Which PHP modules are included?