function blog_meta_box() {
	add_meta_box(
        'blog_meta_box',
        __( 'Other Details', 'myplugin_textdomain' ),
        'blog_meta_box_content',
        'post',
        'normal',
        'high'
    );
}

function blog_meta_box_content( $post ) {
	wp_nonce_field( plugin_basename( __FILE__ ), 'blog_meta_box_content_nonce' );

	$include_featured  = get_post_meta( $post->ID, 'include_featured', true );
	?>
    <table width="100%" class="aankun_custom_metabox">
        <tr>
            <td width="200">Featured Image on Detail</td>
            <td>
            	<select name="include_featured">
                	<option value="no" <?php if($include_featured=='no') echo 'selected="selected"'; ?> >no</option>
                	<option value="yes" <?php if($include_featured=='yes') echo 'selected="selected"'; ?> >yes</option>
                </select>
            </td>
		</tr>
    </table>
    <?php
}

add_action( 'add_meta_boxes', 'blog_meta_box' );