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Querying the WordPress Post Table Using the Get_Posts Function

WordPress has a built-in function for retrieving list of posts. The get_posts function is useful for creating complex queries and manipulating the wp_post table. Using the post_type parameter, you can retrieve posts based on the custom parameters that you pass. Here’s an example of a query using the get_posts function:

The get_post() function accepts an integer, which represents the post’s ID. This value can also be an array of field values. The values of the fields are stored in the $post object. Optionally, you can sanitize the post fields using $filter. The default is raw. The optional values are the post title, author name, and ID. You can use the same functions to retrieve the post ID or get the post title and other information.

The order-by parameter enables you to sort the list of returned posts. You can specify a key or a value from a meta field to make the list display in a logical order. A post with a particular key or value can be returned using this function. Using the post_type parameter allows you to specify whether to display posts or pages in a specific order. By specifying a post ID, you can limit the number of posts returned.

The get_post_class function returns a list of classes that are associated with a post. The $class argument must be a preg-split array of classes. $class is an array of classes that must match the post_type or status. The $class argument must be a valid array. If it’s not, then you should use the body_class() method instead. If you want to restrict the number of posts to a single page, then set the posts_per_page parameter to 20.