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Query posts with a meta key of post ID ... - WordPress.org

    https://wordpress.org/support/topic/query-posts-with-a-meta-key-of-post-id-whose-post-no-longer-exists/
    I’m looking for an efficient way to query posts that has a meta key whose value is a post ID (of a custom post type) which does not exist any more. For example, there are posts of the book custom post type. And those book posts have a meta key, _shop_id, whose value is a post ID of another post type, shop. Now I’d like to select books that ...

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 …

WP_Meta_Query Class WordPress Developer Resources

    https://developer.wordpress.org/reference/classes/wp_meta_query/
    'join' => string ' INNER JOIN wp_postmeta ON wp_posts.ID = wp_postmeta.post_id' (length=60) 'where' => string ' AND (wp_postmeta.meta_key = 'foo_key' OR wp_postmeta.meta_key = 'bar_key' )' (length=75) Note: This example will not append a space to the join statement, so you have to do it manually to not crash your query.

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.

add_post_meta() Function WordPress Developer Resources

    https://developer.wordpress.org/reference/functions/add_post_meta/
    function add_post_meta ( $post_id, $meta_key, $meta_value, $unique = false ) {. $the_post = wp_is_post_revision ( $post_id ); if ( $the_post ) {. $post_id = $the_post; } return add_metadata ( 'post', $post_id, $meta_key, $meta_value, $unique ); } Expand full source code Collapse full source code. View on Trac.

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! Class Reference/WP Meta Query. Languages: English • Meta Query ...

How do you get Posts by multiple ... - WordPress.org Forums

    https://wordpress.org/support/topic/how-do-you-get-posts-by-multiple-meta_keys-and-meta_values-with-the-rest-api-v2/
    What i already can do is to get a Post by One meta_key and meta_value but not multiple. How can i do it that it takes multiple Meta Data in the request. Or how can i get all Posts with their Meta Data of a custom type Post.

wordpress - How to order by multiple meta keys? - Stack ...

    https://stackoverflow.com/questions/17745334/how-to-order-by-multiple-meta-keys
    Browse other questions tagged wordpress sorting custom-post-type meta-key or ask your own question. The Overflow Blog I followed my dreams and got demoted to software developer

get_post_meta() Function WordPress Developer Resources

    https://developer.wordpress.org/reference/functions/get_post_meta/
    /** Pass in function 1: PostID => use get_the_ID(); 2: Meta Key Name => 'you can called anythings' 3: Get The Post Meta Field => get_post_meta(); 4: The Number Start Count => add anyNumber ( 0,1,100,1000 or 2000 ) 5: Count +1 6: Called Function in anypage => <?php echo relationscode_save_post_views( ) ?> but you should remove …
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