Integration between PHP and .NET Applications

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Integration between PHP and .NET Applications. Svetlin Nakov. National Academy for Software Development. Contents. PHP Interoperability PHP and COM Writing WordPress Plug-in in C# Phalanger: Running PHP in .NET CLR. PHP Interoperability. PHP Interoperability.
Integration between PHP and .NET ApplicationsSvetlin NakovNational Academy for Software Developmentacademy.devbg.orgContents
  • PHP Interoperability
  • PHP and COM
  • Writing WordPress Plug-in in C#
  • Phalanger: Running PHP in .NET CLR
  • PHP InteroperabilityPHP Interoperability
  • What is Interoperability?
  • Ability to work together with other products, frameworks, languages and platforms
  • PHP Interoperability
  • Call external process – shell_exec() function
  • Invoke native C/C++ code (.so / .dll libraries)
  • dl() function in PHP (load extension library)
  • SWIG –
  • COM operability (in Windows)
  • Web services (REST / SOAP)
  • PHP and COMWhat is COM?
  • Component Object Model (COM)
  • Microsoft Windows built-in technology
  • Inter-process communication between components and applications
  • Example: Display Adobe Acrobat PDF in Internet Explorer
  • Object-oriented approach
  • Allows dynamic object creation and method invocation and properties / events access
  • Language-neutral technology
  • Creating COM Component in .NET Framework and C#
  • Define the COM dispatch interface:
  • Define the COM implementation class:
  • [InterfaceType(ComInterfaceType.InterfaceIsIDispatch)]public interface ICalculator { int Sum(int a, int b)}namespace PlayingWithCOM{ [ComVisible(true)] [Guid("38AADE7B-79B8-31A1-B365-22C6AAE5232C")] public class Calculator : ICalculator { public int Sum(int a, int b) { return a+b; } }}Register COM Component Assembly in the Registry
  • Sign the assembly with strong name:
  • Install the assembly in the Global Assembly Cache (GAC):
  • Register the assembly as COM component in Windows registry:
  • [assembly:AssemblyKeyFile(@"secret-key.snk")]gacutil -i PlayingWithCOM.dllregasm PlayingWithCOM.dllUsing COM Objects from PHP Script
  • Creating COM object and invoking method from PHP:
  • $calc = newCOM("PlayingWithCOM.Calculator");$result = $calc->Sum(5, 6);echo $result;Writing WordPress Plug-ins in C#WordPress on IIS
  • Running WordPress in IIS
  • Run PHP on IIS:
  • Install FastCGI ISAPI extension for IIS
  • Install and configure PHP for Windows
  • Alternatively use Web Platform Installer
  • Install and configure MySQL for Windows
  • Configure WordPress and URL rewriting:
  • ISAPI_Rewrite in IIS 5.1/6
  • Microsoft URL Rewrite for IIS 7
  • Creating WordPress Plug-in
  • We want to create WordPress plug-in for downloading a blog post as PDF document
  • Converting HTML page to PDF is not straightforward problem!
  • We prefer to implement this in C#
  • Use Internet Explorer through COM
  • Open the web page URL in Internet Explorer
  • Take the entire page as graphics image
  • Cut the image into pages and write them to PDF document with PdfSharp
  • Invoke the C# class from PHP through COM
  • Creating WordPress Plug-in (2)
  • We want to add a parameter "?pdf" to all WordPress URLs to produce PDF output
  • We hook the WordPress action "init"
  • In the action handler invoke the C# based Web2Pdf converter
  • add_action('init', 'init_action_handler');$web2pdf = new COM("Web2Pdf.WebPageToPDFGenerator");$pdf_base64 = $web2pdf->GeneratePdfFromWebPageAsBase64($url);Creating WordPress Plug-In in C# - Web2Pdf ConverterLive DemoPhalangerThe PHP Language Compiler for .NETPhalanger Project: Running PHP in .NET Framework
  • Phalanger Project
  • Open source PHP compiler for .NET CLR
  • Web site:
  • Compiles PHP code to MSIL just like C#
  • Implements all standard PHP functions
  • Two modes of execution:
  • Classical PHP execution model – run existing applications like phpBB, Drupal, etc.
  • ASP.NET mode – use ASP.NET with PHP language – mix .NET and PHP functions
  • Integration between PHP and .NET ApplicationsQuestions?
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