composer require pingpong/admin error composer

composer require pingpong/admin

Using version dev-master for pingpong/admin ./composer.json has been updated Loading composer repositories with package information Updating dependencies (including require-dev) Your requirements could not be resolved to an installable set of packages.

Problem 1

intervention/image 2.2.2 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.2.1 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.2.0 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.1.4 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.1.3 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.1.2 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.1.1 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.1.0 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.0.9 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.0.8 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.0.7 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.0.6 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.0.5 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.0.4 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.0.3 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.0.2 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.0.17 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.0.16 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.0.15 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.0.14 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.0.13 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.0.12 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.0.11 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.0.10 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.0.1 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.0.0-beta.2 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.0.0-beta requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
intervention/image 2.0.0 requires ext-fileinfo * -> the requested PHP extension fileinfo is missing from your system.
pingpong/admin dev-master requires intervention/image ~2 -> satisfiable by intervention/image[2.0.0, 2.0.0-beta, 2.0.0-beta.2, 2.0.1, 2.0.10, 2.0.11, 2. 0.12, 2.0.13, 2.0.14, 2.0.15, 2.0.16, 2.0.17, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6, 2.0.7, 2.0.8, 2.0.9, 2.1.0, 2.1.1, 2.1.2, 2.1.3, 2.1.4, 2.2.0, 2.2.1, 2.2.2].

- Installation request for pingpong/admin dev-master -> satisfiable by pingpong/admin[dev-master].

Installation failed, reverting ./composer.json to its original content.

pingpong-labs / admin

composer require pingpong/admin error composer #39