1、Open "Window" -> "Preferences" 2、In preferences dialog open "PHP" -> "PHP Libriaries" 3、Click "New" button, in "User library name" enter "Redis", click "OK" 4、Select newly created "Redis", library Click "Add external folder", select path to the folder which contains your checkout of phpredis-phpdoc or you can download single "Redis.php" file https://raw.github.com/ukko/phpredis-phpdoc/master/src/Redis.php Include your custom library in your project: open "Project" -> "Properties" -> "PHP Include Path", click add library, select "User library", click "Next", check "Redis", click "Finish"