Get Metadata of Post Thumbnail #wp

get-metadata-of-post-thumbnail.php

<?php
/**
 * Get Metadata of Post Thumbnail
 * - An attachment/image ID is all that's needed to retrieve its alt and title attributes.
 *
 */

$img_id      = get_post_thumbnail_id();
$img_alt     = get_post_meta( $img_id, '_wp_attachment_image_alt', true );
$img_title   = get_the_title( $img_id );
$img_caption = get_the_post_thumbnail_caption();


// Debugging.
// Gets the metadata array.
$meta = wp_get_attachment_metadata( $img_id );

// Prints readable array to screen.
?>
<pre><?php print_r( $meta ); ?></pre>
<?php