PHP: вывод массива в виде таблицы (рекурсивно)

pt.php

<?php

function pt($data, $openTree = true, $maxLevel = 0, $path = array())
{
	$level = count($path);

	static $id = 0;
	if ( $level == 0 )
		$id++;
	?>
	<? if ( $id == 1 ) : ?>
	<style>
		table.dbgt {
			border-collapse: collapse;
		}
		table.dbgt td {
			vertical-align: top;
			border: 1px solid black;
			padding: 4px;
		}
		table.dbgt a.show {
			text-decoration: none;
			border-bottom: 1px dashed black;
		}
	</style>
	<script type="text/javascript">
		function __pt_scroll_result(a)
		{
			var show = a.innerHTML == 'show';
			a.nextElementSibling.style.display = show ? 'block' : 'none';
			a.innerHTML = show ? 'hide' : 'show';

			return false;
		}
	</script>
<? endif; ?>

	<? if ( $level > 0 && ! $openTree ) : ?>
	<a href="#" class="show" onclick="return __pt_scroll_result(this);" title="<?=htmlspecialchars(implode(' / ', $path))?>">show</a>
<? endif; ?>

	<table class="dbgt" id="dbgt-<?=$id?>" <?=$level == 0 || $openTree ? '' : 'style="display: none;"'?>>
		<?
		if ( is_array($data) )
		{
			foreach($data as $key => $value)
			{
				?>
				<tr>
					<td><?=htmlspecialchars($key)?></td>
					<td>
						<?
						$isArrayVal = is_array($value);
						if ( $isArrayVal && count($value) > 0 )
						{
							if ( $maxLevel == 0 || $maxLevel > $level )
							{
								call_user_func(__FUNCTION__, $value, $openTree, $maxLevel, array_merge($path, array($key)));
							}
							else
							{
								echo '...';
							}
						}
						else
						{
							echo $isArrayVal ? 'array()' : htmlspecialchars(var_export($value, true));
						}
						?>
					</td>
				</tr>
			<?}
		}
		else
		{?>
			<tr>
				<td colpan="2"><?=htmlspecialchars($data)?></td>
			</tr>
		<?}
		?>
	</table>
<?}