/**
* Display next or previous image link that has the same post parent.
*
* Retrieves the current attachment object from the $post global.
*
* @since 2.5.0
*
* @param bool $prev Optional. Default is true to display previous link, false for next.
*/
function adjacent_image_link($prev = true, $size = 'thumbnail', $text = false)
{
global $post;
$post = get_post($post);
$attachments = array_values(get_children(array('post_parent' => $post->post_parent, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => 'ASC', 'orderby' => 'menu_order ID')));
foreach ($attachments as $k => $attachment) {
if ($attachment->ID == $post->ID) {
break;
}
}
$k = $prev ? $k - 1 : $k + 1;
if (isset($attachments[$k])) {
echo nxt_get_attachment_link($attachments[$k]->ID, $size, true, false, $text);
}
}
/**
* Wrap attachment in <<p>> element before content.
*
* @since 2.0.0
* @uses apply_filters() Calls 'prepend_attachment' hook on HTML content.
*
* @param string $content
* @return string
*/
function prepend_attachment($content)
{
global $post;
if (empty($post->post_type) || $post->post_type != 'attachment') {
return $content;
}
$p = '<p class="attachment">';
// show the medium sized image representation of the attachment if available, and link to the raw file
$p .= nxt_get_attachment_link(0, 'medium', false);
$p .= '</p>';
$p = apply_filters('prepend_attachment', $p);
return "{$p}\n{$content}";
}
