title: Way to Install the MongoDB PHP Driver
body: <p>I'm trying to enable PHP for Mongo DB. Solution for that is same (install php5-dev first) in every forums but to installation fails with error.</p>
  
  <p>Any idea how to solve issue?</p>
  
  <p>Note: Using Ubuntu 12:04</p>
  
  <pre><code>jojo@ubuntu:~$ sudo apt-get install php-pear php5-dev
  Reading package lists... Done
  Building dependency tree       
  Reading state information... Done
  Some packages could not be installed. This may mean that you have
  requested an impossible situation or if you are using the unstable
  distribution that some required packages have not yet been created
  or been moved out of Incoming.
  The following information may help to resolve the situation:
  
  The following packages have unmet dependencies:
   php-pear : Depends: php5-cli but it is not going to be installed
   php5-dev : Depends: autoconf (&gt;= 2.63) but it is not installable
              Depends: automake (&gt;= 1.11) but it is not installable
              Depends: libtool (&gt;= 2.2) but it is not installable
              Depends: shtool but it is not installable
  E: Unable to correct problems, you have held broken packages.
  jojo@ubuntu:~$ 
  </code></pre>