Contents
- 1 How to query posts with Meta key of post ID?
- 2 How to get the post META array in WordPress?
- 3 Where to find keywords in a meta query?
- 4 Which is the meta query class in WP?
- 5 Which is the default meta type in WordPress?
- 6 What is the WP _ query object in ACF?
- 7 How to query where meta data does not exist?
- 8 How to query WooCommerce orders where meta data does not exist?
- 9 What do you need to know about post meta?
How to query posts with Meta key of post ID?
The topic ‘Query posts with a meta key of post ID whose post no longer exists’ is closed to new replies.
Is the GET POST meta function case sensitive?
Please note that if a db collation is case insensitive (has with suffix _ci) then update_post_meta and delete_post_meta and get_posts () will update/delete/query the meta records with keys that are upper or lower case. However get_post_meta will apparently be case sensitive due to WordPress caching.
How to get the post META array in WordPress?
If the value of the $key parameter is falsy get_post_meta will return the entire post meta array, even if $single is set to true. for example: get_post_meta( $post_id, FALSE, TRUE); //Returns all the post meta fields as an array.
How to use meta query with custom field?
When you call ‘post__in’ you need to set an array of ids and $unique is an array of posts. @satbir-kira answer works great but it will only search through the meta and post title. If you want it to search through meta, title and content, here is the modified version. Here’s another way, just change the request with the ‘posts_where_request’ filter.
Where to find keywords in a meta query?
Keywords can be found in one or several of the fileds, in any order, it will return any post that has all the keywords in any of the designated fields. You can obiously force the search in a list of meta keys you include in the fonction and get rid of the extra agruments if you want ALL search queries to include these meta keys 🙂
How to do a meta query in WordPress?
Doing this with WP_Query isn’t directly possible. The query is constructed from the arguments in the monstrous (over 1000 lines long) WP_Query::get_posts method (see wp-includes/query.php) as mostly a long series of concatenations of AND statements to a $where variable. 1
Which is the meta query class in WP?
WP_Meta_Query is a class defined in wp-includes/meta.php that generates the necessary SQL for meta-related queries. It was introduced in Version 3.2.0 and greatly improved the possibility to query posts by custom fields.
How to link meta query to orderby array?
‘orderby’ with multiple ‘meta_key’s. If you wish to order by two different pieces of postmeta (for example, City first and State second), you need to combine and link your meta query to your orderby array using ‘named meta queries’. See the example below:
Which is the default meta type in WordPress?
Default value is ‘CHAR’. The ‘type’ DATE works with the ‘compare’ value BETWEEN only if the date is stored at the format YYYY-MM-DD and tested with this format. Note: The ‘meta_key’, ‘meta_value’, ‘meta_type’ and ‘meta_compare’ arguments will only work if you use the second method described below.
How to query posts in ACF for custom fields?
The WP_Query object is used to query posts and will return an object containing an array of $post objects and many useful methods. The get_posts function makes use of the above WP_Query object, however, it only returns an array of $post objects making it a simpler way to find and loop over posts.
What is the WP _ query object in ACF?
If you are already familiar with the above function, object and filter you may skip this section. The WP_Query object is used to query posts and will return an object containing an array of $post objects and many useful methods.
Where do I find the event post type?
This example assumes a post type exists for ‘event’ and that it’s archive exists at the url; www.website.com/events. The event post type contains a select field called ‘city’ with values such as ‘melbourne’ and ‘sydney’.
How to query where meta data does not exist?
But in the question’s body, you said ” where some additional metadata is equal to not empty ” and also ” if the var_rate is empty or doesn’t exist then do not return that record “, and for that, the ‘compare’ => ‘!=’ or ‘meta_compare’ => ‘!=’ is what you would need.
Can a meta query be used in a WP query?
At the moment all orders are returned using those arguments. The meta_query argument (that you can use in a WP_Query) is not enabled by default when using a WC_Order_Query through wc_get_orders () WooCommerce function. But for you can use the undocumented Custom Field Parameters (just like in a WP_Query):
How to query WooCommerce orders where meta data does not exist?
You can use this code to make the meta_query parameter works with WooCommerce (orders) queries: But as I’ve pointed in my comment, to query for all orders where the var_rate metadata is not empty, set the compare to !=:
How to filter posts based on meta data?
Currently this runs on every main query – which you probably don’t want. Alternatively you can use query_posts (a simpler, but much less efficient way) to alter the query for only a specific instance in a template. you can filter the post based on the meta value and display the post on the cms page.
What do you need to know about post meta?
WordPress permits you to store multiple rows of the same post meta for a single post, so you can get an array of data without needing to serialize it and store it in one key. To do this, you need to slightly change how you’re interacting with the post meta api here. Something like this is what you’d want:
What to do after query _ posts ( ) Call?
It does this by putting the main query to one side, and replacing it with a new query. To clean up after a call to query_posts, make a call to wp_reset_query (), and the original main query will be restored.