title: Database driver Cake\Database\Driver\Sqlserver cannot be used due to a missing PHP extension or unmet dependency
body: <p>I have installed cakephp 3.0.10 having mssql database now i have configured my wamp (php 5.5.12) with </p>
  
  <pre><code>extension=php_sqlsrv_55_ts.dll
  extension=php_pdo_sqlsrv_55_ts.dll 
  </code></pre>
  
  <p>&amp; php info showing that sqlsrv is configured.
  I have configured App.php with following code</p>
  
  <pre><code>'default' =&gt; [
              'className' =&gt; 'Cake\Database\Connection',
              'driver' =&gt; 'Cake\Database\Driver\Sqlserver',
              'persistent' =&gt; true,
              'host' =&gt; 'mypc\SQLEXPRESS',
              'username' =&gt; '',
              'password' =&gt; '',
              'database' =&gt; 'testdbname',
              'encoding' =&gt; 65001,//PDO::SQLSRV_ENCODING_UTF8,
              'timezone' =&gt; 'UTC',
          'cacheMetadata' =&gt; true,
      'quoteIdentifiers' =&gt; false,
  </code></pre>
  
  <p>To check whether connection is working or not i created a index.php file and fetched data from a test db created in sql magt. 2012 Now problem is cake php is not getting connected with database and it is showing following error</p>
  
  <p>Database driver Cake\Database\Driver\Sqlserver cannot be used due to a      missing PHP extension or unmet dependency  </p>
  
  <pre><code>Exception Attributes: array (
      'driver' =&gt; 'Cake\\Database\\Driver\\Sqlserver', 
  )
  </code></pre>
  
  <p>crud operation  are going well in index.php ( test file ) but cakephp flashing error 
  Please help me to sort this out.
  Thanks in advance</p>