wordpress - Random Repeater in a Repeater Advanced Custom Fields -


i'm using advanced custom fields , have repeater in repeater. need nested repeater pull 1 row randomly. here have isn't working: 

<?php $i = 0; while(the_repeater_field('squares')): ++$i;         $repeater = get_sub_field( 'images' );         $rand = rand(0, (count($repeater) - 1));?>         <a href="<?php the_sub_field('link'); ?>" class="fs-square" style="background-image:url('<?php echo $rand['four-square']; ?>')">                 <div class="main-text"><?php the_sub_field('main_text'); ?></div>             <div class="icon-section">                 <div class="icon"><?php the_sub_field('icon'); ?></div>                 <div class="icon-text"><?php the_sub_field('icon_text'); ?></div>             </div>         </a>     <?php endwhile; ?>

basically, have repeater squares , in have repeater images. need images repeater random.

you may wanna try

<?php echo $repeater[$rand]['four-square']; ?>

instead of

<?php echo $rand['four-square']; ?>

hth!


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