You might need to require once this file:
wp-admin/includes/image.php
Related Posts:
- How to manage attachment relationships for specific posts in WP 3.5+
- Change attachment filename
- How to get attachment file name not attachment URL
- Getting a taxonomy’s thumbnail url
- Check if post has attachments (not image)
- How to cleanly delete attachment but retain original file?
- Expanding new Media Uploader in WordPress 3.5
- Applying automatic link class to images embedded to posts
- How to get attachment caption (get_the_excerpt gives parent post excerpt) ?
- How to single click to download image in single post
- delete attachment from front end
- custom fields for attachments?
- URL rewrite with add_rewrite_rule and attachment_id
- How to set author for post AND post attachments
- Get attachment from post
- Add column for attachment file size
- Unable to upload specific .zip file type via frontend in WordPress 4.0
- Change image link: wp_get_attachment_link
- Multi-line captions on attachments
- Gel all image from certain post type
- Making images from single.php pointing to an attachment .php template
- Add_Filter example for wp_get_attachment_link
- ID of images from gallery
- wp_get_attachment_image_src always returns false
- Exact image sizes
- Get the size (size in Kb or MB) of an featured image?
- Adding attachment file name to email link
- How to allow specific extensions and file size to wp_mail attachment?
- Get attachment file link
- How to grab the first two image attachments from a post?
- wp_insert_post featured image from library
- the_content() behavior on attachment.php versus single.php
- attachments with tags and get_posts
- Hide “Gallery Settings” and “Insert into Post” button from Attachment window
- How can I change wordpress attachment url and protect it?
- Adding class to next/prev image link in attachment.php
- Getting ID from ajax response of async-upload.php
- How to add multiple checkbox elements to media attachments?
- Get attachment next and previous by author only
- Edit default image attachment size
- Perform a custom (bulk) action in media view
- How to make a customized “Create Gallery” tab in the ‘Add Media’ window?
- Strip the folder path away from wp_get_attachment_url to show filename only
- post_author for wp_insert_attachment
- Need to get array of images ID attached to post
- How to set a conditional statement for $attachment->post_excerpt, to check for value?
- Get the bare URL for an attachment
- wp_mail not sending attachment
- How to check if there is image title, caption, description?
- Display random gallery images and its parent post title leading to parent post permalink
- Don’t show attachments if they are inserted in post
- How to remove attachments size attribute [duplicate]
- Control attachments menu order with jQuery Sortable
- Email Attachment from Form Submit
- How do I get all attachments that are used in the current post, not just the children?
- Is there a move_attachment_file() function in wordpress?
- How do you create an attachment ID with Ajax submit? No page refresh
- Auto create file and send it via wp_mail()
- Create page from post attachments
- how to get random media id from media gallery
- Attach pdf from dynamic url
- Is there a function for getting the post/page that an attachment is related to?
- How to get $attachment->ID in custom functions
- All attachment pages give 404
- Unable to get wp_get_attachment_url to show
- Get Attachment Image Class by attachment id
- has_excerpt yields true but no post_excerpt when retrieved
- Automatically deactivate link for attachments
- Hiding or removing file extension displayed in HTML on attachment page
- After changing permalink structure, How to redirect attachment url to old parent post url
- Possible to add “Even/Odd Classes” to image attachments via wp_get_attachment_image?
- Getting attachment post using wp_get_attachment_link
- How to list “invisible” Auto Drafts?
- wp_mail Allow Remote Attachments from CDN
- Were attachment media settings removed from WordPress?
- How to identify and delete all the images/pdf’s which are not assigned to any post/custom-post/page and also which are repeated
- Media item permalink goes to source file instead of attachment.php
- Filter not applied to all image sizes
- Zip a file and add as attachment
- Nothing found in uploads folder after wp_insert_attachment
- Remove post with attachments hook
- Setting an image as post header (not featured image)
- PHPMailer – Uploading a file
- How to restrict users to only access their own media files in wordpress
- wp_mail doen’t send mails whit attachment
- Attachment file display link text
- When inserting attachments into a blog post, how can I get WordPress to use the full filename with the extension?
- Get video attachment ID and display length
- List attachments of a page
- Importing Attachments with No Extension
- Is there a way to add Reattach and Unattach links in image gallery?
- Post images not displaying as attachments
- Move caption in on attachment page
- How to retrieve images contained in a post
- Showing the attachment for a page?
- How can we select attachements based on Caption?
- Gallery Thumbnail Layout Template
- Calling a javascript function in post edit page after attaching something to post
- Custom Fields, Media uploader, Attachments
- Media library upload hook