Wordpress $Query - Set MetaQuery

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Ultimate Guide to meta_query of WordPress WP_Query

https://rudrastyh.com/wordpress/meta_query.html

LIKE – Allows to search in meta values for a specific string, in the example below the query returns all the posts where "first_name" name contains John, it can be also Johnny, Johnathan, somethingJohnsomething : $args = array('meta_query' => array(array('key' => 'first_name', 'value' => 'John', 'compare' => 'LIKE')));

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_Meta_Query Class WordPress Developer Resources

https://developer.wordpress.org/reference/classes/wp_meta_query/

Used for generating SQL clauses that filter a primary query according to metadata keys and values. WP_Meta_Query is a helper that allows primary query classes, such as WP_Query and WP_User_Query, to filter their results by object metadata, by generating JOIN and WHERE subclauses to be attached to the primary SQL query string.

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:

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

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.

Meta_query is not working on Custom Query Filter ...

https://wordpress.org/support/topic/meta_query-is-not-working-on-custom-query-filter/

I’m using the widget “Posts” to display the results and I’m sure that I have set the custom query to Custom ID field, because the post_type is affecting results when I change it. …

wordpress - WP_Query() - meta_query OR tax_query - Stack ...

https://stackoverflow.com/questions/24743202/wp-query-meta-query-or-tax-query

I'm trying to use WP_Query to create a query with both a meta_query element and tax_query element. The kicker is that I don't want to find the results where both conditions are met (and AND clause) I want to find the conditions where either one or the other are met (OR clause).

Three techniques to alter the query in WordPress Press ...

https://presscustomizr.com/snippet/three-techniques-to-alter-the-query-in-wordpress/

Oct 23, 2019 · The following generic code snippet uses a global var called $wp_the_query where WordPress carrefully store the initial main query. @see core code in wp-settings. The snippets uses the wordpress template_redirect hook : it’s defined in wp-includes/template-loader.php.

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