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Accessing Yahoo! Finance from PHP
How to Use PHP to Obtain Stock Quotes from Yahoo! Finance
function show_stock_quotes ($stock_list) {
The function will, by default, return the details of some of the stock markets:
if (! $stock_list) {
$stock_list = "^IXIC,^DJA,^NIN,^FTSE";
}
The function will then use either an input list or the default list to create the correct url:
$url = "http://quote.yahoo.com/d/quotes.csv?s="
. $stock_list . "&f=nl1c1&e=.csv";
and then read in the data stream from the Yahoo! Finance web site:
$filesize = 2000;
$handle = fopen($url, "r");
$raw_quote_data = fread($handle, $filesize);
fclose($handle);
The data will be in the format:
"BSE-100",4.37,0.47
"ATX",23.23,-1.68
and so the next stage is to load the data into an array (using the new line as a delimiter):
$quote_array = explode("\n", $raw_quote_data);
finally the results can be output (taking care to remove the additional quotation marks):
echo "";
";
}
?>
| Name | Stock Quote | Change"; foreach ($quote_array as $quote_value) { echo " |
|---|---|---|
| $symbol | $value | $change | ";
}
?>
}
?>
Using the PHP Function to Display Yahoo! Finance Data to your
Once the function and library have been saved then they can be used in a PHP web page (for instance index.php) to display the default stock market data:
include ("yahoo_finance.php");
show_stock_quotes (False);
?>
or used in a PHP file that can process the input from a textarea box:
include ("yahoo_finance.php");
$symbol_list = str_replace("\n", ",", $_REQUEST["symbol_list"]);
$symbol_list = str_replace("\r", ",", $symbol_list);
show_stock_quotes (False);
show_stock_quotes ($symbol_list);
?>
If this code is stored in a file (for example yahoo_finance_lookup.php) then it can be called from a form:
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