Question

NUsoap request only works when at the top of a php file?

Asked by: stormist

The below web service request works fine if it is at the top of its own php file, but when I try to conditionally access it i.e.
if (isset($_GET['quote']))
{
:: code here;;
}
then it doesn't seem to work. Does anyone know an explanation for this behavior and how do go about remedying it?

Thanks


require_once('nusoap.php');
$symbol="MSFT";
$client=new nusoap_client("http://www.webservicex.net/stockquote.asmx?WSDL", true);
$param=array('symbol'=> $symbol);
$result = $client->call('GetQuote', $param);
echo "<pre>RESULT = ".print_r($result, true)."</pre>";
echo "<br /> ";
echo $result["GetQuoteResult"];

                                  
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Asked On
2009-11-02 at 09:07:46ID24864305
Topics

PHP Scripting Language

,

SOAP

,

WebApplications

Participating Experts
1
Points
500
Comments
9

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    Answers

     

    by: DzynitPosted on 2009-11-02 at 10:13:26ID: 25721908

    When you say it's not working, do you mean it's not executing or it's causing an error?

    Also, have you tested echoing the $_GET['quote'] to be sure that it is actually set so that the if statement is running?

     

    by: stormistPosted on 2009-11-02 at 11:45:19ID: 25722939

    All execution stops at
     $client=new nusoap_client("http://www.webservicex.net/stockquote.asmx?WSDL", true);
    tried putting it in an exception/catch block but nothing appears.
    quote is set as well as the value of the symbol.
    any ideas?

     

    by: DzynitPosted on 2009-11-02 at 11:55:51ID: 25723057

    When you add your conditional statement, are you putting the require_once in the conditional or leaving it at the beginning of the code?

    It sounds like the possible problem is some of the code is needed to be run before headers are sent and in the conditional they are running after or if the require_once file is being called inside of the conditional, it's adding functions that should not be wrapped in the conditional.

    If that's the case - keep your require_once line at the beginning, and place the rest in the conditional statement.

     

    by: stormistPosted on 2009-11-02 at 12:03:22ID: 25723138

    I do it on the first line before I put any HTML etc like:
    <?php require_once('nusoap.php');
    ?>
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
    <html>
    <head>

    the nusoap code goes later after the form is submitted. (to itself, which I thought might also be a problem?) so the page is default.php, and the form points to default.php.

    Any other thoughts?

     

    by: stormistPosted on 2009-11-02 at 13:18:23ID: 25723847

    Below find the full page im working with in case you want to take a look. 

    <?php require_once('nusoap.php');
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
	<link rel="stylesheet" media="all" type="text/css" href="menu_style.css" /> 
</head>
<body> 
<H1>Testing Server</H1>
<div class="menu bubplastic horizontal aqua">
	<ul>
<?php
$stats = $_GET['stats'];
$webservice = $_GET['webservice']; 
?>
		<li <?php if (isset($stats)) { echo 'class="highlight"'; } ?> 
      ><span class="menu_r"><a href="default.php?stats=true"><span class="menu_ar">PHP Stats</span></a></span></li>
		<li <?php if (isset($webservice)) { echo 'class="highlight"'; } ?>><span class="menu_r"><a href="default.php?webservice=true"><span class="menu_ar">Webservice</span></a></span></li>
		<li><span class="menu_r"><a href="#"><span class="menu_ar">---</span></a></span></li>
		<li><span class="menu_r"><a href="#"><span class="menu_ar">---</span></a></span></li>
	</ul>
	<br class="clearit" />
</div>
<?php
if (isset($stats)) { phpinfo(); } 
if (isset($webservice)) 
{  
?>
<form action="default.php?quote=true" method="post">
<input type="text" name="symbol" value="" size="20" />
<input type="submit" />
</form>
<?php
}
if (isset($_GET['quote']))
{
$client=new nusoapclient("http://www.webservicex.net/stockquote.asmx?WSDL", true);
$symbol = $_POST["symbol"];
echo $symbol;
$param=array('symbol'=> $symbol);
$result = $client->call('GetQuote', $param);
echo "<pre>RESULT = ".print_r($result, true)."</pre>";
echo "<br /> ";
echo $result["GetQuoteResult"];
}
?>
</body>
</html>
                                              
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    by: DzynitPosted on 2009-11-02 at 13:23:04ID: 25723891

    Let's give it a try this way just to see if it makes a difference:

    <?php require_once('nusoap.php');
$client=new nusoapclient("http://www.webservicex.net/stockquote.asmx?WSDL", true);
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
	<link rel="stylesheet" media="all" type="text/css" href="menu_style.css" /> 
</head>
<body> 
<H1>Testing Server</H1>
<div class="menu bubplastic horizontal aqua">
	<ul>
<?php
$stats = $_GET['stats'];
$webservice = $_GET['webservice']; 
?>
		<li <?php if (isset($stats)) { echo 'class="highlight"'; } ?> 
      ><span class="menu_r"><a href="default.php?stats=true"><span class="menu_ar">PHP Stats</span></a></span></li>
		<li <?php if (isset($webservice)) { echo 'class="highlight"'; } ?>><span class="menu_r"><a href="default.php?webservice=true"><span class="menu_ar">Webservice</span></a></span></li>
		<li><span class="menu_r"><a href="#"><span class="menu_ar">---</span></a></span></li>
		<li><span class="menu_r"><a href="#"><span class="menu_ar">---</span></a></span></li>
	</ul>
	<br class="clearit" />
</div>
<?php
if (isset($stats)) { phpinfo(); } 
if (isset($webservice)) 
{  
?>
<form action="default.php?quote=true" method="post">
<input type="text" name="symbol" value="" size="20" />
<input type="submit" />
</form>
<?php
}
if (isset($_GET['quote']))
{
$symbol = $_POST["symbol"];
echo $symbol;
$param=array('symbol'=> $symbol);
$result = $client->call('GetQuote', $param);
echo "<pre>RESULT = ".print_r($result, true)."</pre>";
echo "<br /> ";
echo $result["GetQuoteResult"];
}
?>
</body>
</html>

                                              
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    by: stormistPosted on 2009-11-02 at 14:40:19ID: 25724552

    Oddly when I do it this way I get a blank page returned. It seems it doesnt click the $client.. line but it works fine if in its own file as mentioned above. Strange behavior. Any ideas?

     

    by: DzynitPosted on 2009-11-03 at 05:47:20ID: 25728829

    What if you try keeping it all separate and at the beginning except the echo of the result? And have only the echos in the if statement.

     

    by: stormistPosted on 2009-11-03 at 08:02:56ID: 25730289

    It still broke until I put the whole thing at the beginning, including the echo. Then I put the rest of the HTML in an else block. Good thinking, but I do wish i knew WHY :)

    Thanks for your time

    20120131-EE-VQP-002

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