Speed up WP_Query

In WordPress, when a query does not need paging and you only want a limited amount of results, like the last 5 posts, set the ‘no_found_rows’ parameter to true.  This prevents WordPress from doing additional work in counting the total matched rows, thus speeding up your query.

This is already built into get_posts, but not WP_Query.

Example:

$last_5_query = WP_Query( array( ‘no_found_rows’=> true, ‘posts_per_page’=>5 ) );

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