repeater2

// Add Shortcode
function acf2repeaters_function( $atts ) {

	// Attributes
	$atts = shortcode_atts(
		array(
			'repeater1' => '',
			'repeater1_nb' => '',
			'repeater2' => '',
		),
		$atts
	);

	<?php	while ( have_posts() ) : the_post(); ?>
		<?php	// check for rows (parent repeater) ?>
		<?php	if( have_rows('R1') ): ?>
					<div id="R1">
						<?php	// loop through rows (parent repeater) ?>
						<?php	while( have_rows('R1') ): the_row(); ?>
							<div>
								<h3><?php the_sub_field('title'); ?></h3>
								<?php	// check for rows (sub repeater) ?>
								<?php	if( have_rows('R2') ): ?>
									<ul>
										<?php	// loop through rows (sub repeater) ?>
										<?php	while( have_rows('R2') ): the_row(); ?>
													<?php	// display each item as a list - with a class of completed ( if completed ) ?>
													<?php //<li <?php if( get_sub_field('completed') ){ ?>
													<li <?php echo ' class="T32"';?>><?php the_sub_field('T32');?></li>
										<?php	endwhile; ?>
									</ul>
								<?php endif; //if( get_sub_field('R2') ): ?>
							</div>	
						<?php	endwhile; // while( has_sub_field('R1') ): ?>
					</div>
		<?php	endif; // if( get_field('R1') ): ?>
	<?php endwhile; // end of the loop. ?>

}
add_shortcode( 'acf2repeaters', 'acf2repeaters_function' );