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/**
* exception.cpp
* @author Jasper van Eck<jasper.vaneck@copernica.com>
*
* An example file to show the working of a C++ function that
* takes a callback function as parameter, and handles the
* exception thrown by the callback function.
*/
/**
* Libraries used.
*/
#include <phpcpp.h>
#include <iostream>
/**
* Namespace to use
*/
using namespace std;
/**
* my_catch_exception_function()
* Catches the exception thrown by the PHP callback function.
* @param Php::Parameters
*/
void my_catch_exception_function(Php::Parameters ¶ms)
{
// the first parameter should be a callback
Php::Value callback = params[0];
// this must be a callable type
if (!callback.isCallable()) throw Php::Exception("Parameter 0 is not a function");
// we're going to call a function that could throw an exception, start a
// try-catch block to deal with that
try
{
// call the function
callback("some","example","parameters");
}
catch (Php::Exception &exception)
{
// handle the exception that was thrown from PHP space
std::cout << "exception caught in CPP code" << std::endl;
}
}
// Symbols are exported according to the "C" language
extern "C"
{
// export the "get_module" function that will be called by the Zend engine
PHPCPP_EXPORT void *get_module()
{
// create extension
static Php::Extension extension("my_exception_catch","1.0");
// add function to extension
extension.add("my_catch_exception_function", my_catch_exception_function);
// return the extension module
return extension.module();
}
}
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