add_action( 'admin_notices', function() {
// Loop Image IDs
foreach( [ 9050 ] as $image_id ) {
// Verify Image File
$filepath = get_attached_file( $image_id );
if( ! $filepath || ! file_exists( $filepath ) ) {
return;
}
// Regenerate Thumbnails
printf(
'%d-%s ',
$image_id,
wp_update_attachment_metadata(
$image_id,
wp_generate_attachment_metadata( $image_id, $filepath )
) ? 'success' : 'error'
);
}
} );
Regenerate thumbnails for specific images
Regenerates WordPress Media Library thumbnails for a specific image ID.
How to use
- Log into a staging, development, or locally hosted clone of your site
- Install and activate Code Snippets
- WP Admin > Snippets > Add New
- Copy and paste the code from the Description tab above
- Check to ensure formatting came over properly and no syntax errors show up in the editor
- Customize the code as desired
- Add a meaningful title
- Select whether to run on front-end or back-end (or both)
- Click “Save and Activate”
- Test your site to ensure it works
- Disable if any problems, or recover
- Repeat for live environment
License
All code snippets are licensed GPLv2 (or later) matching WordPress licensing.
Disclaimer of warranty:
Except when otherwise stated in writing the copyright holders and/or other parties provide the program as-is without warranty of any kind, either expressed or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.
Support
- Describe the issue and what you’ve observed.
- Describe your expected outcome(s).
- List steps to reproduce the issue.
- Optionally provide screen-shot or video URLs.
