May 19, 2000
Goes to Yahoo and gets stock quote information.
Returns an associative array (or whatever they are called in PHP)
containing the data:
symbol, price, last_trade_date, last_trade_time, change,
previous_trade_price, high, low, volume, cached, updated
*/
// Configuration Variables
$tmpdir = "/home/chris/public_html/tmp";
$cachetime = 300;
$symbol=strtoupper($symbol);
$data["updated"]=filemtime("$tmpdir/$symbol");
if (!$tmpdir || ($data["updated"] < (time() - $cachetime))) {
$fp=fopen("http://finance.yahoo.com/d/quotes.csv?s=$symbol&f=sl1d1t1c1ohgv&e=.csv","r");
$raw_line=fgets($fp,4096);
fclose($fp);
if ($tmpdir) {
$fp=fopen("$tmpdir/$symbol","w");
fputs($fp,$raw_line);
fclose($fp);
}
$data["updated"]=time();
}
else { // Use the cached copy
$data["cached"]=1;
$fp=fopen("$tmpdir/$symbol","r");
$raw_line=fgets($fp,4096);
fclose($fp);
}
// massage the data and return it
$raw_array=explode(",",$raw_line);
$data["symbol"]=ereg_replace("\"","",$raw_array[0]);
$data["price"]=$raw_array[1];
$data["last_trade_date"]=ereg_replace("\"","",$raw_array[2]);
$data["last_trade_time"]=ereg_replace("\"","",$raw_array[3]);
$data["change"]=$raw_array[4];
if ($data["change"] >0) { $data["direction"]="up"; }
elseif ($data["change"] <0) { $data["direction"]="down"; }
else { $data["direction"]="flat"; }
$data["previous_trade_price"]=$raw_array[5];
$data["high"]=$raw_array[6];
$data["low"]=$raw_array[7];
$data["volume"]=ereg_replace("[\n\r]","",$raw_array[8]);
if ($data["price"]) { return $data; }
}
?>
Stock Quote Example
stick
Please Enter a Stock Symbol:
- ()
examples:
notes:
Quotes are delayed up to 20 minutes. Also, results are cached for
300 seconds for speed. This is customizable. You can also see
the source
code to this thingie.