How can I get Primary Key in Yii 2 crud generator template
<p>I use gii code generator and I want to get primary key in </p>

<pre><code>C:\wamp\www\yii2\vendor\yiisoft\yii2-gii\generators\model/default/views/index.php
</code></pre>

<p>Yii use this code</p>

<pre><code>$count = 0;
if (($tableSchema = $generator-&gt;getTableSchema()) === false) {
    foreach ($generator-&gt;getColumnNames() as $name) {
        if (++$count &lt; 6) {
            echo "            '" . $name . "',\n";
        } else {
            echo "            // '" . $name . "',\n";
        }
    }
} else {
    foreach ($tableSchema-&gt;columns as $column) {
        $format = $generator-&gt;generateColumnFormat($column);
        if (++$count &lt; 6) {
            echo "            '" . $column-&gt;name . ($format === 'text' ? "" : ":" . $format) . "',\n";
        } else {
            echo "            // '" . $column-&gt;name . ($format === 'text' ? "" : ":" . $format) . "',\n";
        }
    }
}
</code></pre>

<p>And I want to get primaryKey before belowing code.</p>

<blockquote>
  <p>$generator->getTableSchema()->primaryKey();</p>
</blockquote>

<p>but is not working.</p>