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Mastering WordPress Meta Data: Querying Posts and Users by ...

    https://code.tutsplus.com/articles/mastering-wordpress-meta-data-querying-posts-and-users-by-meta-data--wp-34606
    Feb 24, 2014 · In order to customize what posts WordPress returns based on meta fields, we need to use WP_Query and specify a meta_query. If, for example, we had a custom post type called 'films' that had a custom field called 'director' we could query for films whose director was a director of one of the three Star Wars films.Author: Josh Pollock

WP_Meta_Query Class WordPress Developer Resources

    https://developer.wordpress.org/reference/classes/wp_meta_query/
    meta_query (array) – Contains one or more arrays with the following keys: key (string) – Custom field key. value (stringarray) – Custom field value. It can be an array only when compare is 'IN', 'NOT IN', 'BETWEEN', or 'NOT BETWEEN'. You don’t have to specify a value when using the 'EXISTS' or 'NOT EXISTS' comparisons in WordPress 3.9 and up.

Ultimate Guide to meta_query of WordPress WP_Query

    https://rudrastyh.com/wordpress/meta_query.html
    So, for example, if you want to get a post with meta key show_on_homepage and meta value on, you can do it the following way: $rd_args = array( 'meta_key' => 'show_on_homepage' , 'meta_value' => 'on' ) ; $rd_query = new WP_Query( $rd_args ); Otherwise, if you need to query all posts except the ones with this pair of meta key and value, you can use the following …

Class Reference/WP Meta Query « WordPress Codex

    https://codex.wordpress.org/Class_Reference/WP_Meta_Query
    Interested in functions, hooks, classes, or methods? Check out the new WordPress Code Reference!

WP_Query Class WordPress Developer Resources

    https://developer.wordpress.org/reference/classes/wp_query/
    meta_query (array) – Custom field parameters (available since version 3.1). relation (string) – The logical relationship between each inner meta_query array when there is more than one. Possible values are ‘AND’, ‘OR’. Do not use with a single inner meta_query array. meta_query also contains one or more arrays with the following keys:

How to Create and Use WordPress User Metadata (User Meta)

    https://wpshout.com/how-to-create-and-use-wordpress-user-metadata-user-meta/
    Aug 06, 2019 · Adding or Changing WordPress User Meta Data: update_user_meta() The function for either adding or updating WordPress user meta data is called update_user_meta() , and it looks as follows: update_user_meta( $user_id, $meta_key, $meta_value, $prev_value );

web - Wordpress meta_query meta_value an array of values ...

    https://stackoverflow.com/questions/65405950/wordpress-meta-query-meta-value-an-array-of-values-when-metadata-to-compare-is-s
    Wordpress meta_query meta_value an array of values when metadata to compare is serialized array? Ask Question Asked 24 days ago. Active 24 days ago. Viewed 31 times 0. I am trying to run a meta_query meta_value with an array of values and have it search if all are present in the meta value which is stored in a serialized array. ...
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