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How to filter custom fields in WP meta query?
To filter with custom fields we will use the meta_query argument. As a developer you all you have to do is pass a valid array. The rest will be handled by WP_Meta_Query class which won’t return data, it will generate an SQL WHERE clause to be used in the main query.
When to use a meta query in WordPress?
meta_query (array) – Contains one or more arrays with the following keys: key (string) – Custom field key. value (string | array) – Custom field value. It can be an array only when compare is ‘IN’, ‘NOT IN’, ‘BETWEEN’, or ‘NOT BETWEEN’.
Is there a way to filter posts in WordPress?
WordPress allows you to filter posts based on post parameters like publish date, author, status, type, ect. Filter posts based on all kinds of taxonomies And filter posts based on other default values.
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 fix my meta _ query code below?
It has several custom fields, named: TITLE, AUTHOR, GENRE, RATING. How do I fix my meta_query code below so that only books that have the search word in the custom fields: title, author, genre WITH EXACTLY the rating specified in my search form, gets displayed in the results?
How can I create custom fields in meta box?
Creating custom fields using simple UI can be achieved by Meta Box Builder, a premium extension of Meta Box. If you want to save money, you can use Online Generator instead. But if you can code, skip these tools. In this guide, I will create two filters for my bookselling site with different publishers and authors.
Can a meta query be merged with an array?
Array merging is not the way to go, especially when the queries are complex and you must be able to add to meta queries in the future. The solution which is simplistically beautiful is to change ‘s’ to one which allows both searching titles and meta fields.