How do I reset a query in wordpress?

Quick summary for future reference:

  1. wp_reset_postdata() -> best used after custom or multiple loops created with WP_Query.
  2. wp_reset_query() -> best used after a query_posts loop to reset a custom query.
  3. rewind_posts() -> best for re-using the same query on the same page.

Why use wp_ reset_ postdata?

Instead, you should only be using wp_reset_postdata() when you want to restore the global $post variable of the main query loop after a secondary query loop using new WP_Query() . You have used this correctly in your example.

How do I query a post in WordPress?

For general post queries, use WP_Query or get_posts(). It is strongly recommended that you use the ‘pre_get_posts’ action instead, and alter the main query by checking is_main_query().

What does WP query return?

The WP_Query object is used to query posts and will return an object containing an array of $post objects and many useful methods. The pre_get_post filter is called after the query object is created, but before the actual query is run.

What is Wp_reset_postdata?

wp_reset_postdata() restores the global $post variable to the current post in the main query (contained in the global $wp_query variable as opposed to the $sec_query variable), so that the template tags refer to the main query loop by default again.

How do you enable debug mode in WordPress?

Enabling DEBUG mode

  1. Log into your server via SSH or FTP.
  2. Edit the wp-config. php file using SSH or your FTP client.
  3. Near the bottom of the file you’ll see the following: define(‘WP_DEBUG’, false); Adjust that line to these three lines:
  4. When an error is thrown in WordPress, it will write to a file titled debug. log.

How do I change the search query in WordPress?

You can simply add following code in your functions. php file in your WordPress theme directory. function searchfilter($query) { if ($query->is_search && ! is_admin() ) { $query->set(‘post_type’,array(‘trip’)); } return $query; } add_filter(‘pre_get_posts’,’searchfilter’);

How do I get all post data in WordPress?

You have to use post_per_page=’-1′ to retrive all the posts. $args = array( ‘post_type’=> ‘post’, ‘orderby’ => ‘ID’, ‘post_status’ => ‘publish’, ‘order’ => ‘DESC’, ‘posts_per_page’ => -1 // this will retrive all the post that is published ); $result = new WP_Query( $args ); if ( $result-> have_posts() ) :?>

Why is my WordPress site so slow?

The most common reasons your WordPress site is slow to load are: Slow or poor quality hosting that doesn’t match your level or traffic or site. No caching or caching plugins in place. You have a high traffic site but no content delivery network (CDN) to reduce the load on the hosting.

How do I show thumbnails in WordPress posts?

If you want to control the size, you can change the_post_thumbnail parameter.

  1. To display default thumbnail size (default 150px x 150px max) the_post_thumbnail();
  2. To display in medium size (default 300px x 300px max)
  3. To display in large size (default 640px x 640px max)
  4. To display in original uploaded size.