title: The MongoDB PECL extension has not been installed or enabled php7.0 codeigniter cimongo library ubuntu16.04
body: <p>I am trying to use CIMongo Library for codeigniter to use php and mongo
  But I am getting err:The MongoDB PECL extension has not been installed or enabled
  But I installed everything correctly
  - pecl install mongodb
      apt-get install php-mongodb</p>
  
  <p>Will be greatful for any help
  Thanks in advance</p>