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This class is meant to search the Web or anything else indexed by Google using its Web services API.
With this class you process the search results in any way that suits your needs.
<?php
// include the class nusoap. This class can be obtained from http://dietrich.ganx4.com/nusoap/index.php
// Once downloaded, put it in somewhere in your site tree, and change the next line to reflect that
include("nusoap.php");
// create a instance of the SOAP client object
// remember that this script is the client,
// accessing the web service provided by Google
$soapclient = new soapclient("http://api.google.com/search/beta2");
// uncomment the next line to see debug messages
// $soapclient->debug_flag = 1;
// set up an array containing input parameters to be
// passed to the remote procedure
class clsGoogleApi {
// These properties are used in the class:
var $theResultSet; // holds the results of the search as given by google api
var $theResults=array(); //holds the results, and is intended to do the traversing
var $theRowShown=0; // internal field. Holds the index to the last row shown
var $theMaxResults; // internal field. Holds the given max results parameter to the constructor
var $flgError = false; // indicates if was there error or not
var $theSearchQuery; // the Search query as returned by Google Api
var $theEstimatedResultsCount; // The number of results found by the Api
function clsGoogleApi($search_what,$start,$maxResults) {
global $soapclient;
$params = array(
'key' => 'tbZF6P1QFHJB23E5zqVwgyytmQPuVkLC', // Google license key This is a valid license. But get your own license, by going to www.google.com/api
'q' => $search_what, // search term
'start' => $start, // start from result n
'maxResults' => $maxResults, // show a total of n results
'filter' => false, // remove similar results
'restrict' => '', // restrict by topic
'safeSearch' => false, // remove adult links
'lr' => '', // restrict by language
'ie' => '', // input encoding
'oe' => '' // output encoding
);
// invoke the method on the server
$this->theResultSet=$soapclient->call("doGoogleSearch", $params, "urn:GoogleSearch", "urn:GoogleSearch");
$this->theMaxResults=$maxResults;
// print the results of the search
if ($this->theResultSet['faultstring']) {
echo $this->theResultSet['faultstring']."<br>";
$this->flgError=true;
} else {
$this->flgError=false;
$this->theRowShown=0;
$this->theSearchQuery=$this->theResultSet['searchQuery'];
$this->theEstimatedResultsCount=$this->theResultSet['estimatedTotalResultsCount'];
if (is_array($this->theResultSet['resultElements'])) {
$this->theResults=array();
foreach ($this->theResultSet['resultElements'] as $r) {
$result["URL"]=$r['URL'];
$result["cached-size"]=$r['cachedSize'];
$result["snippet"]=$r['snippet'];
$result["directory category"]=$r['directoryCategory'];
$result["related information present"]=$r['relatedInformationPresent'];
$result["directory title"]=$r['DirectoryTitle'];
$result["summary"]=utf8_decode($r['summary']);
$result["title"]=utf8_decode($r['title']);
$this->theResults[]=$result;
}
}
}
}
function getResultNextItem() {
$result=$this->theResults[$this->theRowShown];
$this->theRowShown++;
if (($this->theRowShown > $this->theMaxResults) or ($this->theRowShown > $this->theEstimatedResultsCount)) {
$result=false;
}
return $result;
}
}
/*
This is an example on how to use the class.
$myQuery=new clsGoogleApi("michael jackson",0,25); // Search for Michael Jackos, starting on the first found record, and getting a max of 25 items
if ($myQuery->flgError) { // if error found do something
echo "Error!";
} else {
echo "Search of ". $myQuery->theSearchQuery." got ".$myQuery->theEstimatedResultsCount." results<hr>";
$item=0;
echo "<ul>";
while ($result=$myQuery->getResultNextItem()) {
$item++;
echo "<li> $item - ".$result["title"]." (".$result["URL"].")<br>".$result["snippet"]."(".$result["cached-size"].")";
}
echo "</ul>";
}
*/
?>
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