wp_query comment and meta query

1. What is meta query?
2. What is $WP_Query?
3. How do I use metaquery in WordPress?
4. What does WP_Query return?
5. What is meta value?
6. What is meta key WordPress?
7. What is Wp_reset_postdata ()?
8. What is offset in WP_Query?
9. What is taxonomy query?
10. How do I get meta key value in WordPress?
11. How do I create a meta key in WordPress?
12. How do I filter custom post type by Meta field?

What is 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.

What is $WP_Query?

WP_Query is a class defined in WordPress. It allows developers to write custom queries and display posts using different parameters. It is possible for developers to directly query WordPress database. However, WP_Query is one of the recommended ways to query posts from WordPress database.

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.

What does WP_Query return?

The WP_Query object is used to query posts and will return an object containing an array of $post objects and many useful methods. The get_posts function makes use of the above WP_Query object, however, it only returns an array of $post objects making it a simpler way to find and loop over posts.

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.

What is meta key 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 Wp_reset_postdata ()?

wp_reset_postdata() restores the global $post variable to the current post in the main query (contained in the global $wp_query variable as opposed to the $sec_query variable), so that the template tags refer to the main query loop by default again.

What is offset in WP_Query?

Offsets are useful because they can allow a developer to skip a certain number of WordPress posts before starting output. ... If a developer sets a manual offset value, pagination will not function because that value will override WordPress's automatic adjustment of the offset for a given page.

What is taxonomy query?

Taxonomies are tools for organizing content in WordPress. Categories and tags are built-in taxonomies, and you can create additional taxonomies. Use the parameters below to query based on taxonomy terms. taxonomy. The taxonomy you would like to query.

How do I get meta key value in WordPress?

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.

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 filter custom post type by Meta field?

1. Step 1: Create a Custom Taxonomy for Post Type. ...
2. Step 2: Display the Taxonomy on the Archive Page. ...
3. Step 3: Handle the Filter Action with Custom Taxonomy. ...
4. Step 1: Create Custom Fields to filter post type. ...
5. Step 2: Display the List of Custom Field's Value on the Archive Page. ...
6. Step 3: Handle the Filter Action by Custom Field.