Topic awaiting preservation: Scraper not working

<?

$html = file_get_contents("http://www.yellowpages.com/fort-lauderdale-fl/acupunture");

preg_match_all(
    '/
<div class="listing_content">.*?
	<h3 .*?>
		<a .*?>(.*?)<\/a>
	<\/h3>
	<span class="listing-address adr">
		<span class="street-address">(.*?)<\/span>
		<span class="city-state">
			<span class="locality">(.*?)<\/span>,
			<span class="region">(.*?)<\/span>
			<span class="postal-code">(.*?)<\/span>
		<\/span>
	<\/span>
	<span class="business-phone phone">(.*?)<\/span>.*?
	<li><a href="(.*?)">/s',
    $html,
    $posts,
    PREG_SET_ORDER 
);


$listing=array();

foreach ($posts as $post) {
	
$listing['title'][] = $post [ 1 ]; 

$listing['street'][] = $post [ 2 ]; 

$listing['city'][] = $post [ 3 ];
  
$listing['state'][] = $post [ 4 ]; 

$listing['zip'][] = $post [ 5 ]; 

$listing['phone'][] = $post [ 6 ]; 

$listing['website'][] = $post [ 7 ]; 

    // do something with data
	
	echo  $post [ 4 ];
}


print_r($listing)


?>