Create Your Own Search Engine with PHP and Google Web Services - Walkthrough Example (Page 3 of 4 ) <html>
<head><basefont face="Verdana" size="2"></head>
<body>
<?php
if (!$_POST['queryStr'])
{
?>
<h2>MyGoogle Search Engine</h2>
<form action="<?=$_SERVER['PHP_SELF']?>" method="post">
Type search term: <input type="text" name="queryStr">
</form>
<?
}
else
{
// include the class from NuSOAP
include("nusoap.php");
// create a instance of the SOAP client object
$soapclient = new soapclient("http://api.google.com/search/beta2");
// uncomment the next line to see debug messages
// $soapclient->debug_flag = 1;
// prepare an array of input parameters to be passed to the remote procedure
// doGoogleSearch()
$params = array(
'Googlekey' => 'gs8f1fJQFHJfBmgmratlW5z3nTQV0ts8', // Google license
// key
'queryStr' => $_POST['queryStr'], // search term that was being typed
'startFrom' => 0, // start from result n
'maxResults' => 10, // show a total of 10 results
'filter' => true, // remove similar results
'restrict' => '', // restrict by topic
'adultContent' => true, // remove adult links from search result
'language' => '', // restrict by language
'iencoding' => '', // input encoding
'oencoding' => '' // output encoding
);
/* invoke the method on the Googles server. The call() method accept four arguments- name of the remote procedure to be invoked, an array of arguments for the remote procedure, namespace and SOAP action */
$MyResult = $soapclient->call("doGoogleSearch", $params, "urn:GoogleSearch", "urn:GoogleSearch");
/* Uncomment next line, if you want to see the SOAP envelop, which is forwarded to Google server, It is important to understand the content of SOAP envelop*/
// echo '<xmp>'.$soapclient->request.'</xmp>';
/* Uncomment next line, if you want to see the SOAP envelop, which is received from Google server. It is important to understand the SOAP packet forwarded from Google Server */
// echo '<xmp>'.$soapclient->response.'</xmp>';
// Print the results of the search
if ($MyResult['faultstring'])
{
?>
<h2>Error Report</h2>
<? echo $MyResult['faultstring'];?>
<?
}
else
{
?>
<h2>MyGoogle Search Results</h2>
Your search for <b><?=$MyResult['searchQuery']?></b> produced <?=$MyResult['estimatedTotalResultsCount']?> hits.
<br>
<? $i=1;
if (is_array($MyResult['resultElements']))
{ echo "<table border=0 cellspacing=2 cellpadding=2>";
foreach ($MyResult['resultElements'] as $r)
{
echo "<tr><td>[$i] <a href=" . $r['URL'] . ">" . $r['title'] . "</a>";
echo $r['snippet'] . "(" . $r['cachedSize'] . ")</td></tr>";
$i++;
}
}
$i=1;
?>
</table>
<?
}
}
?>
</body>
</html>Next: Conclusion >>
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