phpkb automatic TOC generation

gistfile1.txt

					<?php
						function TableOfContents($depth)
						{
						$html_string = Articles_Detail('All');
											 
						//get the headings down to the specified depth
						$pattern = '/<h[2-'.$depth.']+ id=".+"[^>]*>.*?<\/h[2-'.$depth.']>/';
						$whocares = preg_match_all($pattern,$html_string,$winners);
					 
						//reformat the results to be more usable
						$heads = implode("\n",$winners[0]);
						
						$heads = preg_replace('/<h[1-'.$depth.'] id="(.+)">/','<li> <a href="#$1">',$heads);
						$heads = preg_replace('/<\/h[1-'.$depth.']>/','</a></li>',$heads);
					 
						//plug the results into appropriate HTML tags
						$contents = '<div class="mce-toc" style="display: none;"
						}> 
						<h2 id="toc-heading">На этой странице</h2>
						<ul>
						'.$heads.'
						</ul>
						</div>';
						echo $contents;
						}
					?>
					<?php TableOfContents(3); ?>