Cuctom Meta Box (CMB) ব্যবহার করে images upload করার নিয়ম

// Cuctom Meta Box (CMB) ব্যবহার করে images upload করার নিয়ম |
/*****************************************************************************************/
<!---------------------------------------------------------------------------------------->
<?php
global $post;
$args = array( 'posts_per_page' =>-1, 'post_type'=> 'twenty_slider'); // thiscome from custom-posts.php
$myposts = get_posts( $args );
foreach( $myposts as $post ) : setup_postdata($post); ?> <!----- endforeach start here & see below------>

<!------------------------------------------------------------------------------------------->
<?php
 $image = get_post_meta($post->ID, 'twenty_meta_img1', true); // This is for custom meta box (CMB)
?>

<!------------------------------------------------------------------------------------------------->
<?php if($image):?>
<img src="<?php  echo $image;?>"   alt="" style="height:297px;width:593px;"/> <!--this has beeen called from CMB data input--->
<?php else:?> <!---if the above image did not found then the below image will get from our theme directory this is default-->
<img src="<?php echo get_template_directory_uri();?>/img/1_1.jpg" alt="" />
<?php endif;?>

<!----------------------------------------------------------------------------------------------------------->

<?php endforeach;?> <!----- endforeach end here & see above------>