Other Implementations of SOAP for PHP - Zend

This article describes the new SOAP extension for PHP. It is intended for PHP developers who want to write their own Web Services servers, or use SOAP to access existing ones. It assumes some familiarity with Web Services, SOAP, and WSDL (Web Services Description Language).

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By: Zend

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March 17, 2004

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TOOLS YOU CAN USE

• PEAR::SOAP (http://pear.php.net)
• NuSOAP (http://dietrich.ganx4.com/nusoap)
• eZ SOAP (http://ez.no)
All the above are written in PHP, rather than in C.

Summary
In this article I have described only the basic functionality of the SOAP extension for PHP. In reality it can do significantly more, but it isn’t possible to demonstrate all its features in a short article. The main ones are:
• support for complex types (arrays, objects)
• support for SOAP headers
• dynamic support for both SOAP 1.1 and SOAP 1.2

Perhaps these will be starting points for future articles.
The SOAP extension is fully documented at here.
The extension is still in the early development phase, so your feedback will help to make it more stable, reliable, usable and fast. Please report any problems you find at http://bugs.php.net/.

References
“Simple Object Access Protocol (SOAP) 1.1”
“SOAP 1.2 Part 0: Primer”
“SOAP 1.2 Part 1: Messaging Framework"
"SOAP 1.2 Part 2: Adjuncts"
“Web Services Description Language (WSDL) 1.1”
"XML Schema Part 1: Structures"
"XML Schema Part 2: Datatypes"