Re: PHP SOAP - Extreme newbie questions :/

[lmhelp2 <lea.massiot@ign.fr>]

[
- First: answer to John see below.
- Richard, I saw your post and I am trying now to get it work.
  Thanks.
- Thanks to zippy1981 too.
- Nota: I don't know why but there are some posts missing on the
  thread...
]




Hi John,

Thank you for your contribution.
I've tested your code and it works:
- with the dummy data,
- and with the database data.
So, folks, download and test:
http://www.steelesoftconsulting.com/code/stockquote.zip
you'll have a working code!

There are a lot of posts about this example on the web...
I tried to see what was wrong with "my" copy of the code.
I post here the version that works now
(I've removed the comments so that it's very compact):

=================================================================
soap_server.php
=================================================================
<?php

  function getStockQuote($symbol) 
  {
    // Set "user and "password" for your system.
    mysql_connect('localhost', 'user', 'password');

    mysql_select_db('soap_tutorial');

    $query = "SELECT stock_price FROM stockprices "
           . "WHERE stock_symbol = '$symbol'";

    $result = mysql_query($query);
   
    $row = mysql_fetch_assoc($result);

    return $row['stock_price'];
  }

  require('nusoap.php');

  $server = new soap_server();

  $server->configureWSDL('stockserver', 'urn:stockquote');

  $server->register("getStockQuote",
                    array("symbol" => "xsd:string"),
                    array("return" => "xsd:decimal"),
                    "urn:stockquote",
                    "urn:stockquote#getStockQuote");

  $HTTP_RAW_POST_DATA = isset($HTTP_RAW_POST_DATA)
                        ? $HTTP_RAW_POST_DATA : "";

  $server->service($HTTP_RAW_POST_DATA);
?>

=================================================================
soap_client.php
=================================================================
<?php
  require("nusoap.php");

  // Set "SERVER_URL" for your system.
  define('SERVER_URL', 'http://localhost/soap/soap_server.php');
  $client = new nusoap_client(SERVER_URL. '?wsdl', true);

  $symbol = 'ABC';

  if(isset($_GET['symbol']) && !empty($_GET['symbol']))
    $symbol = $_GET['symbol'];
	
  $params = array('symbol' => $symbol);
  $result = $client->call('getStockQuote', $params);
	
  echo "=====================================================";
  echo "<br />";
  echo "The stock price for \"" . $symbol . "\" is " . $result . ".";
  echo "<br />";
  echo "=====================================================";
  echo "<br />";
?>

=================================================================
In your HTTP server root directory:
-- create a directory "soap"
-- and put in it the three files:
   - soap_server.php
   - soap_client.php
   - nusoap.php
=================================================================
You can then type in your browser:

- either: http://localhost/soap/soap_client.php
  in which case, you'll get the following result:
  =====================================================
  The stock price for "ABC" is 66.12.
  =====================================================

- or, for instance: http://localhost/soap/soap_client.php?symbol=JKL
  in which case, you'll get the following result:
  =====================================================
  The stock price for "JKL" is 34.
  =====================================================

=================================================================
I think that my problems came from:

1) The MySQL extension for PHP wasn't enabled on my computer:
To solve that problem:
uncomment in "php.ini" (PHP 5) the following line:
-----------------------------------------------------------------
extension=php_mysql.dll
-----------------------------------------------------------------
This is probably the reason why I got some errors.

2) The following lines were missing in my client code:
-----------------------------------------------------------------
$symbol = 'ABC';

if(isset($_GET['symbol']) && !empty($_GET['symbol']))
  $symbol = $_GET['symbol'];
-----------------------------------------------------------------
This is probably the reason why the result was empty!

Thanks a lot.
Sincerely,
--
Lmhelp
-- 
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