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WP_Query Class WordPress Developer Resources

    https://developer.wordpress.org/reference/classes/wp_query/
    $query = new WP_Query( array( 'category_name' => 'staff,news' ) ); Display posts that have “all” of these categories: $query = new WP_Query( array( 'category_name' => 'staff+news' ) ); Display all posts except those from a category by prefixing its id with a ‘-‘ (minus) sign. $query = new WP_Query( array( 'cat' => '-12,-34,-56' ) );

Mastering WP_Query: Actions and Filters

    https://code.tutsplus.com/tutorials/mastering-wp_query-actions-and-filters--cms-23112
    In the "Filters Reference" of the Codex, there are 16 WordPress filters listed under the title "WP_Query Filters". In this section, we're going to talk about them. It will be a fairly quick section because most of the filters are about different "clauses" of a database query made by the WP_Query class.

Using the 'posts_where' Filter with WP_Query in WordPress ...

    https://macarthur.me/posts/using-the-posts-where-filter-in-wordpress
    Better option: Use the 'posts_where' filter to modify the 'where' clause in your WP_Query. By modifying the SQL query underlying our WP_Query, the work can be efficiently offloaded to where it should be done, rather than dealing with it elsewhere, like in template logic. First, create a WP_Query object querying for all of our posts.

wp query - WP_Query - filter or directly? - WordPress ...

    https://wordpress.stackexchange.com/questions/213456/wp-query-filter-or-directly
    You can also use pre_get_posts to filter your custom query and make it filterable. It is as simple as setting your own custom parameter in your query and them use that parameter to target your query. In the following example, we will use a custom parameter query_no which we will give numerical values. The Queries

Custom Query Filter - Elementor Developers

    https://developers.elementor.com/custom-query-filter/
    After you have set up the Custom Query Filter you can use it to modify the query in the same way WordPress native pre_get_posts hook lets you modify the Query. Using the Custom Query filter is just like any other WordPress native action hook: <?php // Posts or Portfolio Widget add_action( 'elementor/query/my_custom_filter', function( $query ) { // Modify the posts query …

Advanced Query Control: Related Posts & Date Filters ...

    https://elementor.com/blog/introducing-advanced-query-control/
    Apr 16, 2019 · With the new query post filters, you can specify elaborate queries when deciding how to display posts. For example, for the same real estate site, you can choose to display properties in London, excluding 2 rooms and below, with a property size of 80m and above. Ignore WordPress Sticky Posts

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

    https://presscustomizr.com/snippet/three-techniques-to-alter-the-query-in-wordpress/
    Oct 23, 2019 · global $wp_query; //gets the front page id set in options $front_page_id = get_option('page_on_front'); //checks the context before altering the query if ( 'page' != get_option('show_on_front') $front_page_id != $wp_query->query_vars['page_id'] ) return; //this switch statement allows us to use the same call back function for two different hooks switch ( current_filter() ) { case '__before_loop': $args = array( 'post_type' => 'page', 'post__in' => array( $front_page_id …

add_filter() Function WordPress Developer Resources

    https://developer.wordpress.org/reference/functions/add_filter/
    98 rows · The filter img_caption_shortcode is applied in media.php using the following call: // …

apply_filters() Function WordPress Developer Resources

    https://developer.wordpress.org/reference/functions/apply_filters/
    The callback functions attached to the filter hook are invoked by calling this function. This function can be used to create a new filter hook by simply calling this function with the name of the new …

Plugin API/Filter Reference « WordPress Codex

    https://codex.wordpress.org/Plugin_API/Filter_Reference
    WP_Query Filters. These are filters run by the WP_Query object in the course of building and executing a query to retrieve posts. See also #Advanced WordPress Filters for queries relating to users, meta values, and more generic queries. found_posts applied to the list of posts, just after querying from the database. found_posts_query
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