$Query - Set Wordpress - Simplywordpress

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WP_Query::set() Method WordPress Developer Resources

https://developer.wordpress.org/reference/classes/wp_query/set/

Sets the value of a query variable.

set_query_var() Function WordPress Developer Resources

https://developer.wordpress.org/reference/functions/set_query_var/

set_query_var (string $var, mixed $value) Sets the value of a query variable in the WP_Query class.

pre get posts - Theres a way to use $query->set('tax_query ...

https://wordpress.stackexchange.com/questions/35196/theres-a-way-to-use-query-settax-query-in-pre-get-posts-filter

The $query variable in the filter represents a WP_Query object, so you shouldn't be passing a new WP_Query object into the method for setting that object's properties. The question you copied code from was incorrectly using the filter, which i feel is the crux of your issue.

WP_Query Class WordPress Developer Resources

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

If ‘tax_query‘ is set for a query, ... Note: if the query is in a feed, wordpress overwrites this parameter with the stored ‘posts_per_rss’ option. To reimpose the limit, try using the ‘post_limits’ filter, or filter ‘pre_option_posts_per_rss’ and return -1;

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.

WP_Query: How to query a specific WordPress table ...

https://wordpress.org/support/topic/wp_query-how-to-query-a-specific-wordpress-table/

The WP_Query class is designed for “the loop” (obtaining data for posts/pages) and not for general database access. WordPress has a wpdb class for this purpose, and it can be accessed through the $wpdb global variable.

Ultimate Guide to meta_query of WordPress WP_Query

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

NOT REGEXP (WordPress >= 3.7) – Similar to REGEXP but meta values must not match your given regular expression; RLIKE (WordPress >= 3.7) – it is the synonym to REGEXP; How to Use "compare => between" for Dates in meta_query. You can also use meta_query to check if a custom field is between two dates.. The most important thing you have to keep in mind is that your date format should be like ...

WP_Query::set_404() Method WordPress Developer Resources

https://developer.wordpress.org/reference/classes/wp_query/set_404/

Sets the 404 property and saves whether query is feed.

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$Query - Set Wordpress