Featured / post thumbnail image caption

Add the first block of code to the functions.php of your wordpress theme, then add the second block within the loop of the desired template file, single.php or, index.php to display featured image caption.

 

 

 

function the_post_thumbnail_caption() {
global $post;
$thumbnail_id    = get_post_thumbnail_id($post->ID);
$thumbnail_image = get_posts(array('p' => $thumbnail_id, 'post_type' => 'attachment'));
if ($thumbnail_image && isset($thumbnail_image[0])) {
echo '<span>'.$thumbnail_image[0]->post_excerpt.'</span>';
}
}

<?
the_post_thumbnail_caption();
?>

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