Geting Post / Page or featured Image URL

//Geting Post / Page or featured Image URL

<?php echo $postID=$post->ID; $image = wp_get_attachment_image_src (get_post_thumbnail_id( $pageID ),'medium', true) ; ?>

<img src="<?php echo $image[0]; ?>" width="<?php echo $image[1]; ?>" height="<?php echo $image[2]; ?>">