I found this tutorial to be very good and think others will find it useful as well, so visit his blog.
By: Mukesh Chapagain - http://blog.chapagain.com.np/php-how-to-get-stock-quote-data-from-yahoo-finance-complete-code-and-tutorial/
<html>
<head></head>
<body>
<?php
include_once('class.yahoostock.php');
$objYahooStock = new YahooStock;
/**
Add format/parameters to be fetched
s = Symbol
n = Name
l1 = Last Trade (Price Only)
d1 = Last Trade Date
t1 = Last Trade Time
c = Change and Percent Change
v = Volume
*/
$objYahooStock->addFormat("snl1d1t1cv");
/**
Add company stock code to be fetched
msft = Microsoft
amzn = Amazon
yhoo = Yahoo
goog = Google
aapl = Apple
*/
$objYahooStock->addStock("msft");
$objYahooStock->addStock("amzn");
$objYahooStock->addStock("yhoo");
$objYahooStock->addStock("goog");
$objYahooStock->addStock("vgz");
/**
* Printing out the data
*/
foreach( $objYahooStock->getQuotes() as $code => $stock)
{
?>
Code: <?php echo $stock[0]; ?> <br />
Name: <?php echo $stock[1]; ?> <br />
Last Trade Price: <?php echo $stock[2]; ?> <br />
Last Trade Date: <?php echo $stock[3]; ?> <br />
Last Trade Time: <?php echo $stock[4]; ?> <br />
Change and Percent Change: <?php echo $stock[5]; ?> <br />
Volume: <?php echo $stock[6]; ?> <br /><br />
<?php
}
?>
</body>
</html>
