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Creating Web Service Using PHP Within 10 Minutes

, 30 Oct 2013 CPOL
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Developing web service using PHP within 10 minutes

Introduction

Today, I am trying to write up on web service functionality and also how to consume it using PHP code. Basically, it is a very beginner level web service tip but you will gather knowledge step by step & easily run it on your server.

Contents

  1. What is SOAP?
  2. Why SOAP?
  3. Create web service method
  4. Consume web service

Background

What is SOAP?

SOAP is based on XML so it is considered human read. It is a protocol for accessing a Web Service. It is a simple XML-based protocol to let applications exchange information over HTTP.

Why SOAP?

In real field, so many applications are required for data communication between systems by Remote Procedure Calls (RPC) between objects like DCOM and CORBA but HTTP was not designed for this.

  • RPC represents compatibility
  • Security problem
  • Firewalls and proxy servers will normally block this kind of traffic.

A better way to communicate between applications is over HTTP as HTTP is supported by all Internet browsers and servers. That's why it is preferable to SOAP Service.

We can collaborate with other programmers building big size and complex applications in multiple platforms.

Using the Code

Here, I will create a web service using PHP code. So let’s follow the steps given below:

Step 1: You will download the library from http://sourceforge.net/projects/nusoap/.

Step 2: Run WAMP server, then you will go to www root folder location.

Step 3: Create folder, it’s called “WebServiceSOAP” into www root folder.

Step 4: Paste "lib" folder inside your "www/WebServiceSOAP/" location from Step 1 download files.

Step 5: Create two files “server.php” and “client.php” into WebServiceSOAP folder location.

Step 6: Inside “server.php”, please write the code lines given below:

<?php
//call library 
require_once ('lib/nusoap.php'); 
//using soap_server to create server object 
$server = new soap_server; 

//register a function that works on server 
$server->register('get_message'); 

// create the function 
function get_message($your_name) 
{ 
if(!$your_name){ 
return new soap_fault('Client','','Put Your Name!'); 
} 
$result = "Welcome to ".$your_name .". Thanks for Your First Web Service Using PHP with SOAP"; 
return $result; 
} 
// create HTTP listener 
$server->service($HTTP_RAW_POST_DATA); 
exit(); 
?>  

Step 7: After creating “server.php” file, now we will test this server function. Please go to URL & type http://localhost/WebServiceSOAP/server.php?wsdl.

Step 8: Create "client.php" file into WebServiceSOAP folder location. Please find the following code lines:

<?php 
require_once ('lib/nusoap.php'); 
//Give it value at parameter 
$param = array( 'your_name' => 'Monotosh Roy'); 
//Create object that referer a web services 
$client = new soapclient('http://localhost/WebServiceSOAP/server.php'); 
//Call a function at server and send parameters too 
$response = $client->call('get_message',$param); 
//Process result 
if($client->fault) 
{ 
echo "FAULT: <p>Code: (".$client->faultcode."</p>"; 
echo "String: ".$client->faultstring; 
} 
else 
{ 
echo $response; 
} 
?> 

Step 9: Save all codes, then please go to URL and type http://localhost/WebServiceSOAP/client.php.

Result: Welcome to Monotosh Roy. Thanks for Your First Web Service Using PHP with SOAP

So, today I have shown you how to use simple SOAP web service and to get message from service at client end.

Hope this post will help you to create a simple web service using SOAP. Post your queries if you have any or if there is anything else, please share. Keep visiting for new posts here.
Have a good day!

History

  • 21st October, 2013: Initial post - Step by step understanding of web service functionality

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Monotosh Roy Mon
Architect
Bangladesh Bangladesh
My Name is Monotosh Roy (Mon), Completed Bachelor In Computer Science from West Bengal University of Technology, India & M.Sc. In Computer Science & Engineering from United International University. I have lots of experience on core software development with API service integration more than 8 years using tools- ASP.Net, C#, PL/SQL, WCF, SAP, SugerCRM, Salesforce, VBA Excel Export, Web Service, PHP, and MVC 2/3/4 etc. I had successfully implemented more than 200 projects in boundary as well across boundary followed by project management tools like as Agile, PMP & BCM-
 
Worked on freelancing marketplace in US & other countries through Odesk, Elance & Freelancer etc
 
LinkedIn Profile- bd.linkedin.com/in/monotoshroy/

Comments and Discussions

 
QuestionError PinmemberMember 1102096820-Aug-14 19:28 
QuestionUncaught SoapFault exception PinmemberMember 1100699411-Aug-14 21:25 
GeneralMy vote of 1 PinmemberCodingLover22-Jul-14 18:51 
QuestionHow to get XML File ? PinmemberMember 105872342-Jul-14 9:45 
Questioncode changed on nusoap Pinmemberali yeganeh5-Jun-14 23:48 
Questionim use xampp 1.8.3 and i have one error Pinmemberphungvanthuy260119884-Jun-14 11:50 
GeneralMy vote of 1 PinmemberMember 1082418916-May-14 9:49 
QuestionError PinmemberRameshwar Solanki28-Apr-14 23:17 
AnswerRe: Error Pinmemberatrick24-May-14 2:04 
AnswerRe: Error PinmemberMember 111250021-Oct-14 23:45 
QuestionA little modification PinmemberDevMostafa24-Mar-14 5:52 
Questionservice not provide WSDL PinmemberMember 106464855-Mar-14 12:30 
AnswerRe: service not provide WSDL PinmemberMember 111250021-Oct-14 23:42 
QuestionWSDL Pinmemberamjad farazi26-Feb-14 22:59 
AnswerRe: WSDL PinmemberCodingLover22-Jul-14 18:42 
GeneralRe: WSDL PinmemberMember 111250021-Oct-14 23:43 
QuestionNo answer : white page ! Pinmemberpierrix2520-Feb-14 8:01 
QuestionNo answer : white page ! Pinmemberpierrix258-Feb-14 5:18 
AnswerRe: No answer : white page ! Pinmemberpierrix2512-Feb-14 11:21 
QuestionError Pinmembernima.sh3-Feb-14 15:59 
AnswerRe: Error PinmemberSrihari Sahu12-Feb-14 20:28 
GeneralThanks for Your PHP service share Pinmemberganapathign19-Jan-14 19:19 
QuestionNo result. Error in source code [modified] PinmemberSami Ciit8-Jan-14 6:30 
AnswerRe: No result. Error in source code Pinmembersurahman19-May-14 4:47 
Questionerror with soap PinmemberCheick Oumar Fadiga30-Dec-13 16:44 
AnswerRe: error with soap Pinmemberkarpdamian9-Jan-14 4:14 
QuestionError on Duplicating Tutorial PinmemberCMJ-JMC9-Dec-13 5:38 
Questionthank you Pinmemberhariprasad14116-Dec-13 18:45 
QuestionPassing String from C# to Web Service PHP page PinmemberMudassar Tufail26-Oct-13 6:33 
Questionsource file cannot be downloaded Pinmemberfredatcodeproject25-Oct-13 3:02 
AnswerRe: source file cannot be downloaded PinmemberMonotosh Roy Mon25-Oct-13 8:46 
Ok, Please wait.... Smile | :)
GeneralRe: source file cannot be downloaded Pinmemberfredatcodeproject29-Oct-13 22:43 
GeneralRe: source file cannot be downloaded PinmemberMonotosh Roy Mon29-Oct-13 23:20 
GeneralRe: source file cannot be downloaded PinmemberMonotosh Roy Mon29-Oct-13 23:20 
GeneralRe: source file cannot be downloaded Pinmemberfredatcodeproject30-Oct-13 2:18 
GeneralRe: source file cannot be downloaded PinmemberMember 1036994130-Oct-13 0:58 
GeneralMy vote of 3 PinmemberMaykonn Welington Candido22-Oct-13 4:46 

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