WordPress ALT immagine in evidenza post thumbnail
$imgID = get_post_thumbnail_id($post->ID);
$img = wp_get_attachment_image_src($imgID,'full', false, '');
$imgAlt = get_post_meta($imgID,'_wp_attachment_image_alt', true); ?>
<img src="<?php echo $img[0]; ?>"alt="<?php echo $imgAlt; ?>" />