Webservice, API call from php code

Webservice | Api in php development.

Deal with webservcie in php, consume any API in php code.

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Here I explain how you can make any API/WebService call from php, In simple language you need to know the structure of generated xml fom API/Webservice, making call is simply sending a request to the server with right parameter.

API

Here look at the result of API call, which give a report in an XML format when we call a function called GetReport(AuthKey,ReportID), first we look how the result look like.

Result of GetReport(AuthKey,ReportID)

<xml>

1: <report_details>

2: <report_name><![CDATA[This is a sample Report]]></report_name>

3: <report_id><![CDATA[1036067983]]></report_id>

4: <submit_date><![CDATA[2009-10-08 21:36:34]]></submit_date>

5: <job_status><![CDATA[Completed]]></job_status>

6: <preview_clients>

7: <client>

8: <client_code>CLIENT001</client_code>

9: <client_name><![CDATA[Tata Consultancy]]></client_name>

10: <client_description><![CDATA[TCS is a great company]]></client_description>

11: </client>

12: <client>

13: <client_code>CLIENT002</client_code>

14: <client_name><![CDATA[Infosys]]></client_name>

15: <client_description><![CDATA[Infosys is a big name in IT world]]></client_description>

16: </client>

17: </preview_clients>

18: </report_details>

19:</xml>

20:

How to make a API call

Now we see how to make GetReport(AuthKey,ReportID) call to the API

How to make the call from php code.

1:$request = "http://thirdpaty.com/api/ command=GetReport&AuthKey=myauthKey&ReportID=225";

3:or if you want to receive the value from form submit.

4:$request = "http://thirdpaty.com/api/ command=GetReport&AuthKey=myauthKey&ReportID=".$_POST["ReportID"];

6:// Now lets send a request to the server, and get the result into SimpleXML object

7:$sxml = simplexml_load_file($request);

9:Now to play with this object we need to know the format of the

10:

How to read the result in php application ?

If we look at the above xml result that we got in retun of GetReport call, the xml structure is bit complex, but in php you can ead the structure very easily.

Read XML result in php

<?php

2:$request = "http://thirdpaty.com/api/ command=GetReport&AuthKey=myauthKey&ReportID=".$_GET["ReportID"];

3:// read feed into SimpleXML object

4:$sxml = simplexml_load_file($request);

7:echo "<div style='margin-top:12px;'><table cellspacing='1' cellpadding='1' width='100%'>";

8:echo "<tr style='font-weight:bold;background-color:#abf9b6;'><td colspan='3'>". $sxml->report_details->report_name ."</td></tr>";

10:echo "<tr style='background-color:#dffee3;height:26px;'>";

11:foreach ($sxml->report_details->preview_clients->client as $entry)

12: {

13:

14: echo "<td style='background-color:#dffee3;'>". $entry->client_code ."<br><img src='". $entry->client_name ."' style='width:100px;height:100px;'></td>";

15:

16: echo "<td style='background-color:#dffee3;'>". $entry->client_description ."</td>";

17:

18:

19: }

20:echo "</tr>";

21:echo "</table></div>";

22:?>

23:

Now we see how to create a webservice in php