wp_reset_query() – Function | Developer.WordPress.org

Destroys the previous query and sets up a new query.

Description

This should be used after query_posts() and before another query_posts() .
This will remove obscure bugs that occur when the previous WP_Query object is not destroyed properly before another is set up.

More Information

query_posts() will change your main query and is not recommended. Only use if absolutely necessary. Creating a new instance of WP_Query or get_posts() is preferred for secondary loops. If you would like to modify the main query, use the pre_get_posts action.

Source

function wp_reset_query() {
	$GLOBALS['wp_query'] = $GLOBALS['wp_the_query'];
	wp_reset_postdata();
}

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Changelog

VersionDescription
2.3.0Introduced.