Question

wp_reset_postdata()

After looping through a separate query, this function restores the $post global to the current post in the main query.

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description

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源代码

File: wp-includes/query.php

function wp_reset_postdata() {
	global $wp_query;

	if ( isset( $wp_query ) ) {
		$wp_query->reset_postdata();
	}
}

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更新日志

Version	description
3.0.0	Introduced.

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相关函数

Uses

• wp-includes/class-wp-query.php: WP_Query::reset_postdata()

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Used By

• wp-admin/includes/dashboard.php: wp_dashboard_recent_posts()
• wp-includes/query.php: wp_reset_query()
• wp-includes/widgets/class-wp-widget-recent-posts.php: WP_Widget_Recent_Posts::widget()

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User Contributed Notes

1. Skip to note content You must log in to vote on the helpfulness of this noteVote results for this note: 0You must log in to vote on the helpfulness of this note Contributed by Codex

   Example of secondary loop and reset

   
   <?php
   // example args
   $args = array( 'posts_per_page' => 3 );
   
   // the query
   $the_query = new WP_Query( $args );
   ?>
   
   <?php if ( $the_query->have_posts() ) : ?>
   
   	<!-- start of the secondary loop -->
   	<?php while ( $the_query->have_posts() ) : $the_query->the_post(); ?>
   		<?php the_title(); ?>
   		<?php the_excerpt(); ?>
   	<?php endwhile; ?>
   	<!-- end of the secondary loop -->
   
   	<!-- put pagination functions here -->
   
   	<!-- reset the main query loop -->
   	<?php wp_reset_postdata(); ?>
   
   <?php else:  ?>
   
   	<p><?php _e( 'Sorry, no posts matched your criteria.' ); ?></p>
   
   <?php endif; ?>