wordpress - How to show one random post from a specific post type for 24 hours then refresh -

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i'm not sure if possible, wondering if there anyway create wordpress query select post @ 00:00 in morning , show post 24 hours. when hits 00:00 following morning should refresh , show anther random post 24 hours. possible, if how?

you can using wordpress transients api , wp_query class.

$random_id = ''; if ( false === ( $random_id = get_transient( 'some_random_post_id' ) ) ) {      // transient expired, create      $args = array(       'posts_per_page' => 1, #return 1 value       'orderby'        => 'rand',       'post_type'      => 'yourposttype'         );      $single_post_query = new wp_query( $args );      while( $single_post_query->have_posts() ){          $single_post_query->the_post();          $random_id = get_the_id();           set_transient('some_random_post_id', $random_id, 60*60*24); # save id returned      }  } //do stuff $random_id post id.

note may not 24 hours since wordpress update transient when visits website. also, if using wordpress 3.5 or above may use constant day_in_seconds instead of 60*60*24.


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