Include caption underneath post images

Question

Hello I've been struggling for ages trying to find a solution for this. Basically I just want to retrieve all images from a post and display a caption underneath. Here is the code i'm using:

    <?php
$argsThumb = array(
    'order'          => 'DESC',
    'post_type'      => 'attachment',
    'post_parent'    => $post->ID,
    'post_mime_type' => 'image',
    'post_status'    => null
);
$attachments = get_posts($argsThumb);
if ($attachments) {
    foreach ($attachments as $attachment) {
        echo '<div class="slideshow-content"><img src="'.wp_get_attachment_url($attachment->ID, 'thumbnail', false, false).'" /><div class="captions"><p>'.apply_filters('the_title', $attachment->post_title).'</p></div></div>';
    }
}
?>

As you can see it currently displays the title, but not the caption. I have tried using: $caption = $attachment->post_excerpt; - but not exactly sure where to implement it and what I have tried doesn't work. Any help would be greatly appreciated!

Answer 1

the following should just show the caption:

echo '<div class="slideshow-content"><img src="'.wp_get_attachment_url($attachment->ID, 'thumbnail', false, false).'" /><div class="captions">'.apply_filters('the_excerpt', $attachment->post_excerpt).'</div></div>';

(applying the excerpt filter adds the paragraph tag automatically)

Answer 2

In what context are you attempting to run this code?

If it's inside the Loop (e.g. within another Post), why not just use [gallery id="123"]?

If it's outside the Loop (or outside the Post content), why not use do_shortcode( 'gallery', $args )?