You use user meta to “know more about your users” than the data they come with by default. Below are the user meta fields for /author/fred. Yoast has a number of user meta fields that let you control the SEO side of that user’s author archive page.Membership plugins use custom user meta to store elements of a user’s membership information. We’ve used various membership plugins, such as MemberPress on.I store each user’s win/loss record as a piece of custom user meta. The site has a “leaderboard” that lists out the users who have won the most debates. I wrote a simple debate website in WordPress, where users participate in debates on randomized opposing teams.I did this as a piece of user meta called “Spreadsheet URL.” The client asked me to save the URL of this spreadsheet for each user, for him or her to access in a private dashboard. Each property manager has a Google Sheets spreadsheet of the properties he or she manages. I work with a WordPress site whose users are property managers.Here are a few examples that come to mind-some from my own work with clients, and some from my use of third-party plugins. Now: Why would you want to add user meta? Examples Where WordPress Custom User Meta Is Useful In other words, just as WordPress post meta-also called custom fields-lets you add any information you want to about your posts, WordPress user meta lets you add any information you want to about your users. Here’s the simplest definition: User meta is “custom fields for your users.” So it’s a well-established piece of WordPress’s architecture. User meta has existed since WordPress 3.0, and it occupies an entire table of the WordPress database: wp_usermeta. WordPress user meta is “custom fields for your users.” Our suggestions for easily building user metaboxes that are editable by other users.How to delete and update user meta, and.How to get user meta data in your WordPress PHP code,.How to add custom user meta fields in WordPress,.(took quite long time for a few hundred attachments, so consider to build in a counter and do some from-to limiter inside the foreach, as limiting the posts_per_page won't work well, only if you order by rand, and run lots of times, but it's not a good idea :)) require_once('wp-load.In this article, we explore WordPress user metadata, usually called simply WordPress user meta. Saving for the future the origin source, but I had to remove the meta query to work well. There are some non-working links above, so if somebody still struggling with this in 2021 (specially after moving WP), I found a working solution here: Unserialized _wp_attachment_metadata for a "fixed" image: Array Unserialized _wp_attachment_metadata for a previously correct image: Array The above code fixes the missing thumbnails on the media library, but with some inconsistencies: Update_post_meta($id, '_wp_attachment_metadata', $meta) * fix broken image metadata so that thumbs can be regenerated I've also come across the following snippet that is supposed to fix the missing metadata, but it isn't working as intended (see details after code) /** It also errors out on very large images, so for me it processes about 100 images and then stops. The Fix Media Library plugin: even when selecting "Regenerate attachments metadata and thumbnails", it takes about 1 second per image.The Fix My Posts plugin: displays a meter which goes from 0% to 100% in a few seconds, but no difference.Running "Regenerate Thumbnails For All 4028 Attachments" works, but it takes a long time (1 hour for 4.000 pictures), even with the "Skip regenerating existing correctly sized thumbnails" option turned on.If I open the attachment details panel for that specific image and press the "Regenerate thumbnails" button, I get the following message: "ERROR: Unable to load the metadata for this attachment.".My goal here is rebuilding the missing thumbnails. The purpose of this question is not to find out why this happens, I wrote a different question for that.Īgain, in this context all I want is to fix the symptoms, while I haven't found out the cause yet. The files, however, are present on disk - both the original file and the "cropped" sizes. I've found out _wp_attachment_metadata isn't present in the database for those images with missing thumbnails. For some reason, some of the thumbnails of my media library are randomly becoming missing.
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