help screen scraping - using explode

[funnylookin]

hey, i'm trying to screen scrape a webpage and store certain info in a mysql database so i can search it later.

after i use file_get_contents($url), if i echo contents, the entire webpage (minus images) is shown.

then i've tried using explode to isolate certain strings.

    $contents[$i] = explode("<li>", $contents);
    $contents[$i] = explode ("/n", $contents);

but when i echo contents i get "A" for $contents[$i] at each $i.

if anybody can help me that would be amazing!!

here is my entire code:

<?php
    //require common code (this connects me to database)
    require_once("inc/common.inc");

//open HUDS website for reading
$url =
"http://www.huds.harvard.edu/foodpro/center_frame.asp?naFlag=1&sName=HARVARD+UNIVERSITY+$
$handle = fopen($url, "r");
//grab contents from webpage
$contents = file_get_contents($url);
echo "$contents";
fclose($handle);

$empty = "TRUNCATE TABLE  `menu2`";
//execute query
$query = mysql_query($empty);
if (!$query)
    apologize("Couldn't truncate!");

for($i = 0; $i < strlen($contents); $i ++)
{
    $contents[$i] = explode("<li>", $contents);
    $contents[$i] = explode ("/n", $contents);

    echo "$contents[$i]";


    $insert = "INSERT INTO `menu2` (`food`) VALUES ('$contents[i]')";


    if(!$insert)
        apologize("Could not insert %s into table", $contents[$i]);

    //execute query
    $result = mysql_query($insert) or die('MySQL error: ' . mysql_error() .
    "<hrQuery: $result") ;
    if(!$result)
        apologize("Error! Check primary key.");

}
//redirect home
redirect("index.php");



?>

the site i am scraping, since i believe the url got cut off is http://www.huds.harvard.edu/foodpro/...a%3E%3Cfont%3E