Setting Key Correctly

I need the first key to change the class for an accordian effect

I can set it up the way I think it should but I keep getting a line error and I can't seem to fix it....

Code:

<div class="accordion" id="accordion2"><?php foreach ($side_newsRecords as $key=>$record): ?>
<div class="accordion-group">
<div class="accordion-heading"> <a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion2" href="#collapse<?php echo $key;?>"><?php echo htmlencode($record['title']) ?></a> </div>
<div id="collapse<?php echo $key;?>" <?php if ($key == 0) { echo "class='accordion-body collapse'"; } ?>><?php else>"class=accordion-body collapse in" <?php endif ?>
<div class="accordion-inner"><?php echo $record['content']; ?></div>
</div>
</div><?php endforeach ?>
</div>

Thanks in advance,

Michael