sort a repeater field values by last name code example

Example: sort acf repeater field alphabetically

<?php 
// Get repeater value
$repeater = get_field('traditional_dining');

// Obtain list of columns
foreach ($repeater as $key => $row) {
	$the_website[$key] = $row['website'];
	$the_name[$key] = $row['name'];
	$the_address[$key] = $row['address'];
	$the_phone_number[$key] = $row['phone_number'];
	$the_map_url[$key] = $row['map_url'];
}

// Sort the data by restaurant name column, ascending
array_multisort($the_name, SORT_ASC, $repeater);

// Display newly orded columns
// Unsure if this is the optimal way to do this...
foreach( $repeater as $row ) { ?>
<div class="biz-module">
	<h2><a href="<?php echo $row['website']; ?>" title="Visit the website for <?php echo $row['website']; ?>"><?php echo $row['name']; ?></a></h2>
	<h3><a href="<?php echo $row['map_url']; ?>" title="Find <?php echo $row['name']; ?> on the map"><?php echo $row['address']; ?></a></h3>
	<h4><?php echo $row['phone_number']; ?></h4>
</div>
<?php } ?>