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+---
+title: Using libsodium-php in Travis-CI
+published: 2017-01-25
+---
+
+For my OAuth 2.0 server I needed to be able to use 
+[libsodium](https://github.com/jedisct1/libsodium) in PHP, unfortunately the 
+images on Travis-CI are still based on Ubuntu _precise_, or if you want 
+_trusty_, but they do not contain `libsodium-dev` which would be needed to 
+install the PECL module `libsodium-php`.
+
+So, below you'll find my `.travis.yml` that installs both `libsodium-dev` from
+a PPA and builds the PECL module:
+
+    language: php
+    sudo: required
+    php:
+      - 5.4
+      - 5.5
+      - 5.6
+      - 7.0
+      - 7.1
+    before_install:
+      - sudo add-apt-repository ppa:chris-lea/libsodium -y
+      - sudo apt-get update -q
+      - sudo apt-get install libsodium-dev -y
+    before_script:
+      - pecl install libsodium
+      - composer install
+
+    script: phpunit --coverage-text tests