WordPress get attachment image caption

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I tried to get attachment meta caption value as mentioned here, but couldn`t get any output. Other meta arrays like [created_timestamp] or [iso] gave their values. 

$img_meta = wp_get_attachment_metadata( $id );
echo $img_meta[image_meta];

This issue happens to both and [title]. Any help is much appreciated.

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3 comments

  1. The caption and title you are looking to get from wp_get_attachment_metadata are not the title and caption you add in WordPress they are meta data from the actual image itself. To get the WordPress data use something like this (assuming $id is the id of your image).

    $image = get_post($id);
$image_title = $image->post_title;
$image_caption = $image->post_excerpt;

  3. put this in your functions.php file:

    function show_caption_image($type='title'){
  global $post;
    $args = array( 'post_type' => 'attachment', 'orderby' => 'menu_order', 'order' => 'ASC', 'post_mime_type' => 'image' ,'post_status' => null, 'numberposts' => null, 'post_parent' => $post->ID );

    $attachments = get_posts($args);
    if ($attachments) {
        foreach ( $attachments as $attachment ) {
      $alt = get_post_meta($attachment->ID, '_wp_attachment_image_alt', true);
      $image_title = $attachment->post_title;
      $caption = $attachment->post_excerpt;
      $description = $image->post_content;
    }
  }  
  return $type == 'title' ? $image_title : $caption.$description;
}

    and below the image in your theme, or wherever you prefer to put it, usually in the single.php file:

    <?php if ( has_post_thumbnail() ) : 
        ?>
      <span class="image main"><img src="<?php echo get_the_post_thumbnail_url()?>" alt="<?php echo get_the_title()?>" /><i><?php echo show_caption_image();?></i></span>
      <?php endif; ?>

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