Developing PHP Extensions with C++ and PHP-CPP: Advanced

In my earlier articles, I have introduced the PHP-CPP lib to create an extension for PHP using C++ (first article and second article). In the latter, I demonstrated a bit of the OO side of writing a PHP extension with a Complex class doing complex number manipulations.

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That introduction is not complete as the main focus of that article is more on the demonstration of the OO capability of PHP-CPP, not on the OO implementation details.

In this article, we will further drill down the Complex lib development, adding more member functions, and addressing some advanced topics in writing a PHP extension with OO features using PHP-CPP:

• Returning this pointer;
• Returning a Complex object pointer, i.e., a Complex *;
• Exposing the __toString magic method;
• Chaining member function calls;
• Throwing an exception and handling it in PHP

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