make specific value selected in dropdown fields cakephp 3.0
<p>In select drop down, make one particular value selected from values that are coming in drop down list Cakephp3.0. i am using below code:</p>

<pre><code>    $abc = 'india';
    echo $this-&gt;Form-&gt;input('location_id', 
['empty' =&gt;'Please select', 'required'=&gt;'required', 'class' =&gt; 'form-control', 'label'=&gt;false]);
</code></pre>

<p>Name of countries are coming in drop down list, but i want to make specific value selected which is set as variable $abc (i.e india).</p>