Searching the stock market

Want to get the latest stock quotes for your favorite stock symbol? This recipe will let us use the "stock" keyword to trigger a lookup of the latest stock quotes.

So for example, sending a text of "stock AAPL" will return the latest stock information for the AAPL symbol.

Getting ready

The complete source code for this recipe can be found in the Chapter5/ folder.

How to do it...

This recipe will let us search Yahoo Finance for today's price quote by using the stock symbol. Create a file called stock.php in the pages folder and add the following code to it:

<?php
  $results = stock( $keywords );
  $i = 1;
  $reply = array();
  $quote = $results->quote;
  $msg = $quote->symbol.' - '.$quote->LastTradePriceOnly.' - '.$quote->Change.' - '.$quote->PercentChange;
    $reply[] = $msg;
    print_sms_reply( $reply );

function stock( $symbol ){
    $yelpql = "
    USE 'http://www.datatables.org/yahoo/finance/yahoo.finance.quotes.xml' AS yahoo.finance.quotes;select...