Video Tutorial The WP_Query object

We will now return to the front and talk about an essential object in WordPress: the object WP_Query. This class is used internally to retrieve the articles to display in the loop. But you can also use it in your theme to retrieve a list of articles according to specific criteria.

We will build our objects by passing in parameter a table containing the criteria of our research.

$ query = new WP_Query ((
  'post__not_in' => 1,
  'post_type' => 'post',
  'posts_per_page' => 3,
  'orderby' => 'rand',
  'tax_query' => (
      'taxonomy' => 'sport',
      'terms' => (1, 10, 3)
  'meta_query' => (
      'key' => 'is_sponso',
      'compare' => 'NOT EXISTS'

It will then be possible to retrieve the records using the methods have_posts () and the_post ().

while ($ query-> have_posts ()): $ query-> the_post ();

We will however be very careful to "clean up" the modifications made by the_post () thanks to the method wp_reset_postdata () to avoid conflicts with other loops.


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