What is WP_Query’s `fields` parameter and how can it improve performance?

WordPress Fundamental Hard

WordPress Fundamental — Hard

What is WP_Query’s `fields` parameter and how can it improve performance?

Key points

  • WP_Query's 'fields' parameter determines the data returned from the database
  • 'ids' option is beneficial for performance by only retrieving post IDs
  • 'all' option returns full post objects, which can be resource-intensive
  • Choosing the right 'fields' value can optimize query performance

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