How do I reset a query in wordpress?
Quick summary for future reference:
- wp_reset_postdata() -> best used after custom or multiple loops created with WP_Query.
- wp_reset_query() -> best used after a query_posts loop to reset a custom query.
- 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 $sec_query variable), so that the template tags refer to the main query loop by default again.
How do you enable debug mode in WordPress?
Enabling DEBUG mode
- Log into your server via SSH or FTP.
- Edit the wp-config. php file using SSH or your FTP client.
- Near the bottom of the file you’ll see the following: define(‘WP_DEBUG’, false); Adjust that line to these three lines:
- When an error is thrown in WordPress, it will write to a file titled debug. log.
How do I change the search query in WordPress?
You can simply add following code in your functions. php file in your WordPress theme directory. function searchfilter($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.
- To display default thumbnail size (default 150px x 150px max) the_post_thumbnail();
- To display in medium size (default 300px x 300px max)
- To display in large size (default 640px x 640px max)
- To display in original uploaded size.