Selecting posts with a given meta value for a meta key

1. How do I get post by Meta key?
2. What is key in Meta query?
3. How do I get meta value in WordPress post?
4. How do I use metaquery in WordPress?
5. How do you find meta value?
6. What is meta key in WordPress?
7. What is meta value?
8. How do I create a meta key in Wordpress?
9. How do I print a meta query in wordpress?
10. How do I create a custom query in WordPress?
11. What is taxonomy query and meta query?
12. Where is Wpdb defined in WordPress?

How do I get post by Meta key?

5 Answers. $args = array( 'meta_key' => 'custom-meta-key', 'meta_query' => array( array( 'key' => 'cp_annonceur', 'value' => 'professionnel', 'compare' => '=', ) ) ); $query = new WP_Query($args); All of the information you need is in the Codex.

What is key in Meta query?

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.

How do I get meta value in WordPress post?

There are two ways to do that:

1. Intercept the main query on pre_get_posts : add_action( 'pre_get_posts', function( $query ) // only handle the main query if ( ! $ query->is_main_query() ) return; $query->set( 'meta_key', 'cp_annonceur' ); $query->set( 'meta_value', 'professionnel' ); );
2. Add an additional query.

How do I use metaquery in WordPress?

How to Use meta_query with WP_Query in WordPress

1. 'meta_key' = Name of your meta key or custom field, this will be a string.
2. 'meta_value' = Value of your meta key or custom field, this will be a string. ...
3. 'meta_type' = Type of your meta key or custom field.
4. 'meta_compare' = Operator to check the value of your meta key or custom field.

How do you find meta value?

If you wanted to see all the post meta keys and values for a post,page or custom post type in WordPress you can either see them in the database in the wp_postmeta table or you could use the get_post_meta function to retrieve all the post meta or a specific key.

What is meta key in WordPress?

The meta key determines how the field will be stored into the database of your website. ... The metakey is used to retrieve the saved value from the database and display it. If you are a developer, chances are you already know about this WordPress function. https://codex.wordpress.org/Function_Reference/get_user_meta.

What is meta value?

This arbitrary extra information is known as meta-data. Meta-data is handled with key/value pairs. The key is the name of the meta-data element. The value is the information that will appear in the meta-data list on each individual post that the information is associated with.

How do I create a meta key in Wordpress?

You can select the meta key from the drop down list in case you want to add the same post meta even to this post, or you can define a new one by clicking on entering new. Once you click on enter now you can add the post meta and the value and then click on Add Custom field as shown below.

How do I print a meta query in wordpress?

If you really want to see the SQL it's generating you can throw it into a new WP_Query and print the SQL: $results = new WP_Query( $args ); error_log( $results->request ); You would need to enable WP Debug and WP Debug Log via wp-config. php .

How do I create a custom query in WordPress?

The methods for modifying the main query are:

1. Using the pre_get_posts action hook. This lets you make modifications to the main query by adding a function to your theme's functions file or via a plugin (not in your theme template files). ...
2. Using query_posts() .

What is taxonomy query and meta query?

lewismcarey/WORDPRESS WP Query Taxonomy and Meta Query

This shows the two alternate methods to running taxonomy and post meta paramaters within WP Query. * Shorthand version only accepts one postmeta key. * Longhand version is the full method and has much more flexiblity for complex queries.

Where is Wpdb defined in WordPress?

For performing database operations WordPress provides a class wpdb which is present in the file – wp-includes\wp-db.