query_posts()

query_posts() — Sets up The Loop with query parameters. Note: This function will completely override the main query and isn’t intended for use by plugins or themes. Its overly-simplistic approach to modifying the main query can be problematic and should be avoided wherever possible. In most cases, there are better, more performant options for modifying the main query such as via the {

Inputs: $query (array|string): Array or string of WP_Query arguments.

Returns WP_Post[]|int[]: Array of post objects or post IDs.