Home arrow PHP arrow Page 2 - Fetching Search Results as Serialized Arrays with Yahoo Web Services and PHP 5

Displaying web services search results in XML format - PHP

In this second article of the series dealing with the implementation of some of the most useful web services offered by Yahoo! with PHP 5, Iíll show you how to parse the results returned by a determined web search service using a few array PHP processing functions.

TABLE OF CONTENTS:
  1. Fetching Search Results as Serialized Arrays with Yahoo Web Services and PHP 5
  2. Displaying web services search results in XML format
  3. Next Example
  4. Serving outputs of Yahoo! Web services as serialized PHP arrays
  5. Iterating over array elements with PHP 5
By: Alejandro Gervasio
Rating: starstarstarstarstar / 1
January 15, 2008

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In case you didnít have the chance to read the first article of the series, Iím going to list the source code of a couple of practical examples that I developed in that tutorial. Reviewing these examples will help you to more quickly grasp how to invoke different Yahoo! Search Services directly from your own PHP 5 scripts.

Are you ready to digest all this useful material? Great! These hands-on examples look like this: 

// example using Yahoo! Search Web Service - search results are displayed in raw XML format

try{

$request='http://search.yahooapis.com/WebSearchService/V1/webSearch?
appid=Your-AP-ID&query=madonna&results=4';

// trigger the http request

if(!$results=file_get_contents($request)){

throw new Exception('Error requesting Yahoo! Web service');

}

// display the results in XML format

header('Content-type:text/xml;charset=iso-8859-1');

echo $results;

}

catch(Exception $e){

echo $e->getMessage();

exit();

}

/* displays the following:

<ResultSet xsi:schemaLocation="urn:yahoo:srch
http://api.search.yahoo.com/WebSearchService/V1/WebSearchResponse.xsd"
type="web" totalResultsAvailable="65700000" totalResultsReturned="4"
firstResultPosition="1" moreSearch="/WebSearchService/V1/webSearch?
query=madonna&appid= Your-AP-ID&region=us">

<Result>

<Title>Madonna</Title>

<Summary>Official site of pop diva Madonna, with news, music, media, and fan
club.</Summary>

<Url>http://www.madonna.com/</Url>

<ClickUrl>http://uk.wrs.yahoo.com/_ylt=A0Je5aqLHBZHhCMBkjbdmMwF;
_ylu=
X3oDMTB2cXVjNTM5BGNvbG8DdwRsA1dTMQRwb3MDMQRzZWMDc3IEdnRpZAM-
/SIG=11buvpo71/EXP=1192717835/**http%3A//www.madonna.com/</ClickUrl>

<DisplayUrl>www.madonna.com/</DisplayUrl>

<ModificationDate>1192518000</ModificationDate>

<MimeType>text/html</MimeType>

<Cache>

<Url>http: //uk.wrs.yahoo.com/_ylt=A0Je5aqLHBZHhCMBkzbdmMwF;
_ylu=X3oDMTBwOHA5a2tvBGNvbG8DdwRwb3MDMQRzZWMDc3IEdnRpZAM-
/SIG=15ipfur0l/EXP=1192717835/**http%3A//66.218.69.11/search/cache%
3Fei=UTF-8%26appid= Your-AP-ID %26query=madonna%26results=4%
26u=www.madonna.com/%26w=madonna%26d=ZjRUGudmPoUK%26icp=1%
26.intl=us

</Url>

<Size>18519</Size>

</Cache>

</Result>

<Result>

<Title>MySpace.com - Madonna - Pop / Rock - www.myspace.com/madonna</Title>

<Summary>Madonna MySpace page with news, blog, music downloads, desktops,
wallpapers, and more.</Summary>

<Url>http://www.myspace.com/madonna</Url>

<ClickUrl>http://uk.wrs.yahoo.com/_ylt=A0Je5aqLHBZHhCMBlTbdmMwF;
_ylu=
X3oDMTB2ZjQ4dDExBGNvbG8DdwRsA1dTMQRwb3MDMgRzZWMDc3IEdnRpZAM-
/SIG=11i0d3vg8/EXP=1192717835/**http%3A//www.myspace.com/madonna

</ClickUrl>

<DisplayUrl>www.myspace.com/madonna</DisplayUrl>

<ModificationDate>1192518000</ModificationDate>

<MimeType>text/html</MimeType>

<Cache> <Url>http://uk.wrs.yahoo.com/_ylt=A0Je5aqLHBZHhCMBljbdmMwF;
_ylu=X3oDMTBwZG5hOWwzBGNvbG8DdwRwb3MDMgRzZWMDc3IEdnRpZAM-
/SIG=15pd5lje6/EXP=1192717835/**http%3A//66.218.69.11/search/cache%
3Fei=UTF-8%26appid= Your-AP-ID %26query=madonna%26results=4%
26u=www.myspace.com/madonna%26w=madonna%26d=Z-awV-dmPogu%
26icp=1%26.intl=us

</Url>

<Size>138157</Size>

</Cache>

</Result>

<Result>

<Title>Madonna (I)</Title>

<Summary>Facts and filmography for the singer and actress.</Summary>

<Url>http://www.imdb.com/name/nm0000187</Url>

<ClickUrl>http://uk.wrs.yahoo.com/_ylt=A0Je5aqLHBZHhCMBmDbdmMwF;
_ylu=
X3oDMTB2M3MzdmZoBGNvbG8DdwRsA1dTMQRwb3MDMwRzZWMDc3IEdnRpZAM-
/SIG=11m0tssno/EXP=1192717835/**http%
3A//www.imdb.com/name/nm0000187

</ClickUrl>

<DisplayUrl>www.imdb.com/name/nm0000187</DisplayUrl>

<ModificationDate>1192518000</ModificationDate>

<MimeType>text/html</MimeType>

<Cache>

<Url>http://uk.wrs.yahoo.com/_ylt=A0Je5aqLHBZHhCMBmTbdmMwF;
_ylu=
X3oDMTBwZ2dpZ2ZkBGNvbG8DdwRwb3MDMwRzZWMDc3IEdnRpZAM-
/SIG=15tn2vem4/EXP=1192717835/**http%3A//66.218.69.11/search/cache%
3Fei=UTF-8%26appid= Your-AP-ID %26query=madonna%26results=4%
26u=www.imdb.com/name/nm0000187%26w=madonna%26d=DgNm1OdmPoYh%
26icp=1%26.intl=us

</Url>

<Size>97655</Size>

</Cache>

</Result>

<Result>

<Title>Madonna Song Lyrics: Home Page</Title>

<Summary>Extensive collection of Madonna lyrics, organized by album. Includes lyrics to singles.</Summary>

<Url>http://www.madonnalyrics.org/</Url>

<ClickUrl>http://uk.wrs.yahoo.com/_ylt=A0Je5aqLHBZHhCMBmzbdmMwF;
_ylu=
X3oDMTB2OWM1MXQ5BGNvbG8DdwRsA1dTMQRwb3MDNARzZWMDc3IEdnRpZAM-
/SIG=11h8ms67a/EXP=1192717835/**http%3A//www.madonnalyrics.org/

</ClickUrl>

<DisplayUrl>www.madonnalyrics.org/</DisplayUrl>

<ModificationDate>1181286000</ModificationDate>

<MimeType>text/html</MimeType>

<Cache>

<Url>http://uk.wrs.yahoo.com/_ylt=A0Je5aqLHBZHhCMBnDbdmMwF;
_ylu=X3oDMTBwYzFnNmkxBGNvbG8DdwRwb3MDNARzZWMDc3IEdnRpZAM-
/SIG=15o801re7/EXP=1192717835/**http%3A//66.218.69.11/search/cache%
3Fei=UTF-8%26appid= Your-AP-ID %26query=madonna%26results=4%
26u=www.madonnalyrics.org/%26w=madonna%26d=WcyQU-dmPohM%26icp=1%
26.intl=us

</Url>

<Size>18749</Size>

</Cache>

</Result>

</ResultSet>



 
 
>>> More PHP Articles          >>> More By Alejandro Gervasio
 

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