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Diffstat (limited to 'documentation/tutorial.html')
| -rw-r--r-- | documentation/tutorial.html | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/documentation/tutorial.html b/documentation/tutorial.html index 30d8ea7..ff2bbbc 100644 --- a/documentation/tutorial.html +++ b/documentation/tutorial.html @@ -13,9 +13,9 @@ <h2>How does PHP load its extensions?</h2> <p> You probably already know that native PHP extensions are compiled into *.so - files on unix-like systems, and *.dll files on Windows environments, and that + files on unix-like systems, and *.dll files in Windows environments, and that the global php.ini file holds a list of all extensions available on your system. - This means that if you're building your own extension, you will also need to + This means that if you're building your own extension, you are also going to create such a *.so or *.dll file and you will need to update the PHP configuration so that your own extension is loaded by PHP. </p> @@ -52,7 +52,7 @@ <h2>The get_module() startup function</h2> <p> Before we explain how you can create your own extension however, we first explain - what PHP does to load an extension. When PHP starts, it loads the configuration + what PHP does to load an extension. When PHP starts, it loads the *.ini configuration file(s) that we just described and for each "extension=name.so" line in these files, it opens the appropriate library, and calls the "get_module()" function from it. Each extension library (your extension too) must therefore @@ -214,7 +214,7 @@ PHPCPP_EXPORT void *get_module() { static Php::Extension myExtension("my_extension", "1.0"); myExtension.add("example", example, { - Php::ByVal("a", Php::numericType), + Php::ByVal("a", Php::Type::Numeric), Php::ByVal("b", "ExampleClass"), Php::ByRef("c", "OtherClass") }); @@ -224,15 +224,15 @@ </pre></code> </p> <p> - Above you see that we pass in additional information when we register the - - - - The Extension::add() method can be used to register native functions, and - make them available in PHP. In the examples above, you've seen that the - method takes two parameters: the name the function shou - - + Above you see that we passed in additional information when we registered the + "example" function. We tell our extension that our function accepts three parameters: + the first parameter must be a regular number, while the other ones are object + instances of type "ExampleClass" and "OtherClass". In the end, your native C++ + "example" function will still be called with a Php::Parameters instance, but + the moment it gets called, you can be sure that the Php::Parameters object + will be filled with three members, and that two of them are objects of the + appropriate type, and that the third one is also passed by reference. +</p> <h2>Working with variables</h2> <p> Variables in PHP are non-typed. A variable can thus hold any possible type: |