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How to only display posts whose meta_value field is not empty?
2024-10-21 02:48While using EXISTS may work, it does not check if the value is empty or not, so it'd still pull posts that have the meta field even if the meta value is blank or empty.
Display all post meta keys and meta values of the same post ID in wordpress
I'm trying to display post meta values and post meta keys, If only one value is to be display I can used the simple function get_post_meta () but what I need now is to post all post meta data with the same post_id.
delete_post_meta () - Function | Developer.WordPress.org
Deletes a post meta field for the given post ID. Description You can match based on the key, or key and value. Removing based on key and value, will keep from removing duplicate metadata with the same key. It also allows removing all metadata matching the key, if needed.
get_post_meta () - Function | Developer.WordPress.org
If the default value evaluates to true, you'll be scratching your head why get_post_meta () returns true when you haven't yet set a value, or just used delete_post_meta () .
WordPress Custom Fields 101: Tips, Tricks, and Hacks - WPBeginner
What Are WordPress Custom Fields? WordPress custom fields are metadata used to add extra information to the post or page you are editing. By default, when you write a new post, page, or any other content type, WordPress saves that content in two different parts.
Get All Posts by Post Meta Key and Meta Value with meta_query
Learn how to get all WordPress posts with a specific meta key and meta value using meta_query. Follow this step-by-step guide with code examples and screenshots.
delete_metadata () - Function | Developer.WordPress.org
ID of the object metadata is for. Metadata key. Metadata value. Must be serializable if non-scalar. If specified, only delete metadata entries with this value. Otherwise, delete all entries with the specified meta_key. Pass null, false, or an empty string to skip this check. (For backward compatibility, it is not possible to pass an empty ...
Using WordPress 'delete_post_meta ()' PHP function
The delete_post_meta () WordPress PHP function deletes a post meta field for a given post ID. This function allows you to remove metadata based on key or both key and value. This way, you can avoid deleting duplicate metadata with the same key.
How to Clean up Old Metadata in the WordPress Database
Over time, as posts are updated, created, or deleted, the wp_postmeta table can become large and inhibit your website performance. In this article, we are going to show you how to clean up old, unnecessary post metadata from the wp_postmeta table to help your WordPress site run more efficiently.
Query all posts where meta value is empty - WordPress Development Stack ...
5 I want to query posts where meta value is empty. for example, I want to get these three posts, with no meta values:
get_metadata () - Function | Developer.WordPress.org
Retrieves the value of a metadata field for the specified object type and ID.
How to Clean up WordPress Post Meta Table from Empty Values
Delete all rows that have null or empty values. DELETE FROM `wp_postmeta` WHERE meta_value='' OR meta_value IS NULL. List all rows that have meta_value field column as 0. We're using a separate query because the database may convert the columns' text value to 0. You want all the columns that store exactly the number 0. No more, no less.
php - Cleanup WordPress wp_postmeta Table - Stack Overflow
1 I was looking at all the tables in my WordPress database and noticed that the wp_postmeta table had a lot of old and outdated information. For example, it contained a LOT of entries with meta key set to _wp_attached_file, _wp_attachment_metadata. The _wp_attached_file values are all links to old files that no longer exists in my WordPress gallery.
Deleting empty meta key values - WordPress Development Stack Exchange
It depends on the value and how/whether it's used by whatever added it to begin with. @Jacob Peattie I am talking about empty meta values. Any meta key that has an empty value. As I said: It depends on the value and how/whether it's used by whatever added it to begin with. There's no blanket answer.
How do I empty a specific meta_value for all users in PHP
0 I've been able to successfully empty the meta_value for a specific meta_key. The problem is that a new meta_key will be created for all users in the database. I do not want all users to have the meta_key created in the database unless it already exist.
How to check if custom field exist even if meta value is empty in WordPress
However as you have noticed, it will only be effective to check for meta key if its value is set to empty. I would like to know how to check if the custom field name/meta key already exist in the database even if I set the meta value to empty or blank at defaults.
wp query - Get all posts with empty meta_value - WordPress Development ...
0 I am using this query for my loop and it is working except when meta_value is empty. In this case it returns empty result. Instead I want to get all results when meta_value is empty.
wordpress - Updating metadata without deleting the previous value ...
But it is necessary that the IDs of all users are recorded in the metadata field as an array. So, what is the question? Question is how add next ID without erase previous. Now after every update in metafield saved last user ID, need save all ID's as Array. Example: user click button "Vote" and update metafield with user ID, next user click ...
Wordpress Functions.php filter get_metadata is always empty
I am struggling to get the post meta when calling get_metadata ('post',53 ) where 53 is the specific postid I need. The write_log function outputs to my debug log and the return value is always empty.
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