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What does it mean to regenerate thumbnails in WordPress?
Regenerate Thumbnails allows you to regenerate all thumbnail sizes for one or more images that have been uploaded to your Media Library. This is useful for situations such as: A new thumbnail size has been added and you want past uploads to have a thumbnail in that size.
When to use WP _ generate _ attachment _ metadata ( )?
Thumbnail and intermediate sizes of the image, and [“sizes”] elements in the array returned by this function, are only generated when the intermediate size is smaller than the size of the image. The function should be used in conjunction with wp_update_attachment_metadata ().
How to generate metadata for an image attachment?
Generate attachment meta data and create image sub-sizes for images. (int) (Required) Attachment Id to process. (string) (Required) Filepath of the Attached image. (array) Metadata for attachment. This function generates metadata for an image attachment.
Where do I find the attachment metadata in WordPress?
The file MUST be in the uploads directory. See wp_upload_dir (). This function returns array of attachment metadata in the format required by wp_update_attachment_metadata (). The elements returned in the array are: ( string) Horizontal size of image attachment, in pixels.
How to link post thumbnails to post permalink?
To link Post Thumbnails to the Post Permalink in a specific loop, use the following within your Theme’s template files: Example 2. To link all Post Thumbnails on your website to the Post Permalink, put this in the current Theme’s functions.php file:
Where do I put my featured image when I create a theme?
When you create your Theme, you can output the featured image in a number of different ways, on your archive page, in your header, or above a post, for example. Themes must declare support for the Featured Image function before the Featured Image interface will appear on the Edit screen.
When do you change the size of a thumbnail?
This is useful for situations such as: A new thumbnail size has been added and you want past uploads to have a thumbnail in that size. You’ve changed the dimensions of an existing thumbnail size, for example via Settings â Media.