Randomize array content in PHP via WordPress posts

• 

  • caioferrari

  • June 17, 2014 at 11:43 pm

  Do you guys know how to limit posts per page and randomize posts in wordpress?

  I have a relationship field in the back-end where I add and remove items that I created to display in a website. This content is printed through the WP_Query below:

  <?php
  $args = array (
  ‘post_type’ => ‘home_banners’

  $fullbanner = new WP_Query ( $args );
  ?>

  And here is the PHP:

  <?php if ( have_posts() ) : while ( $fullbanner->have_posts() ) : $fullbanner->the_post(); ?>

  #####Get the relationship field
  <?php $banners = get_field(‘home_banner_01_selection’); ?>
  #####Check if the relationship field has contents
  <?php if( $banners ): ?>
  #####Start foreach
  <?php foreach( $banners as $banner ): ?>
  ID ); ?>”><?php the_field( ‘home_headline’, $banner->ID ); ?>
  <?php endforeach; ?>
  <?php endif; ?>

  I have three contents added in this relationship field. I want just to display ONLY ONE content per page and randomize it when refreshing the page. At the moment it is currently display all the three contents in the page.

  I notice that the var $banners behave as an array. If I add echo count($banners); it will display 3. Moreover, if I add shuffle($banners); it will shuffle the content among them.

  Thanks for helping me.
• 

  • 1983ron

  • June 21, 2014 at 1:29 am

  Something like this should get you looking in the right direction.

  <?php if ( have_posts() ) : while ( $fullbanner->have_posts() ) : $fullbanner->the_post(); ?>
  	<?php $banners = get_field(‘home_banner_01_selection’); ?>
  	<?php if( $banners ): ?>
  	
  		<?php shuffle($banners); ?>
  		<?php foreach(array_slice($banners, 0, 1) as $banner ): ?>
  			<?php the_field( 'home_headline', $banner->ID ); ?>
  		<?php endforeach; ?>	
  			
  	<?php endif; ?>
  <?php endif; ?>