You can use the wp_handle_upload_prefilter filter hook and it will be called when user will upload the file from admin side.
Or
You can use the wp_handle_upload filter hook for the uploaded file.
Related Posts:
- Custom collection in media manager?
- Is it possible to modify the media library admin screen?
- Enhance Media Manager for Gallery
- Checking if a file is already in the Media Library
- Adding more options to the instance of an image. (Attachment Display Settings)
- Can I use the wp media uploader for my own plugin?
- Change Media Uploader default directory
- How to extend LINK TO functionality in ATTACHMENT DISPLAY SETTINGS
- How to find attachment ID for first image in a post
- Add an image gallery to a custom post type?
- How can I view all WP generated thumbnails in Media Manager?
- Modify how gallery.js builds the shortcode [gallery ...] in tinyMCE?
- Bridge WordPress Media API with custom tinyMCE plugin [closed]
- How to get an image transferred via FTP or script to appear in Media Manager?
- Add Additional File Info (jpeg compression & file size) settings to Edit Images Screen
- Using the component outside the editor. select(‘core’) is null
- How to send email in wordpress with more than one attachments
- How to replicate Media Library “Add New” on Plugin Settings Page
- get post attachment using ajax
- How to enable sorting in custom media uploader in plugin
- how to get link of added document with a post
- wp_set_object_terms not updating database without a die()
- Get attachments from a post
- Upload multiple images and insert them into custom html code
- wp_editor add media button not working
- Uploaded attachment not set as featured image
- Hook after attachment added and cropped
- How to create wordpress media library UI on plugin page
- wp.media gallery collection sometimes undefined
- Can’t load a script in my plugin page
- function add custom fields to media gallery
- Unexpected issue when using attachment_fields_to_edit filter
- WordPress Dropdown image select
- Changed media upload path for plugin, but generates error & shows wrong url
- How to destroy or dispose wordpress uploder/manager?
- Issue on Getting WP Gallery Items In cpt-single.php As Attachments
- Attach an image to new posts
- Creating custom Insert Media page
- Thumbnails for media Library images
- Remove image in post when it’s removed in media library
- How do you filter get_media_items by mime type in a custom media upload tab?
- Open media box library from link
- Upload to a specific media folder created by FileBird Lite
- Load images from CDN and custom features to “Add Media” dialogue
- upload image to wordpress media library failed for custom post type
- How to add extra EXIF data when images are uploaded?
- Is get_option function cached?
- How to include jQuery and JavaScript files correctly?
- How do I log plugin (cron) actions?
- Adding pre-publish checks with Gutenberg
- Error getting correct blog_id on MU from functions.php
- How Do I Make WordPress Run an Event Every Day?
- How to add SQL file with PHP to WordPress database [closed]
- Error : “Updating failed: The response is not a valid JSON response” with custom shortcode
- array_map() for sanitizing $_POST
- Is there a faster way than wp_insert_post to add content to a blog
- How to include external library in wordpress plugin
- Delete a specific item menu when I deactivate my plugin
- Ajax in WordPress – path issue
- Platform/Website that Supports Crowd-Funded WordPress Projects? [closed]
- Get user id for delete and update selected user
- Decrease RSS cache time in plugin?
- Add version query tag to all images
- Creating table with plugin is not working
- How to add a custom tag in contact form 7 and change the output in email?
- How to delete an user including data from custom database tables
- How to check if Woocommerce Order number equals to post ID?
- Add custom element ID depending where the widget place is, sidebar or footer
- My plugin class doesn’t work! [closed]
- Call PHP file within a plugin to activate function
- add_action not calling back to function
- Example Dashboard Widget, Cancel not working
- Woocommerce checkout update totals with datepicker
- How to get plugin activate URL to use URL vars?
- rewrite URL based on selected taxonomy for post page
- Woocommerce – Convert Delivery method into a custom field
- Possible to get all posts with my shortcode?
- How to prevent someone from entering strings without making it available for translation?
- WP Enqueue style on all plug-in pages
- Can we use a library under MIT license in a WooCommerce plugin?
- Why does comments_open() return false when publishing a scheduled post?
- Use options to control jQuery plugin
- Including template in shortcodes
- How to exclude categories from get_categories() select list inside a widget admin panel
- How to upload large media file in chunks, without any plugin?
- WordPress plugin development theme issue
- Using custom IDP with WP
- Trying to run a Ajax request from a checkout form in woocommerce via a custom plugin
- Securing custom rest API endpoints with public access from PWA
- By adding “?login – failed” code unable to access my dashboard
- Creating a return url for getting data from external api
- How to prevent users from deleting their accounts?
- Is it possible to restore an expired transient?
- How to Maintain url on form submit
- Experts opinions needed: How (in)secure is this approach?
- add_option_{$option} action hook not being called
- action callback, for action dispatched as reported by hook sniffer, not called
- variable created in page.php is null inside of header.php
- Access WordPress Tag Function From Modal
- how can I insert a link on login page