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path: root/Examples/FunctionWithParameters/functionwithparameters.cpp
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/**
 *	functionwithparameters.cpp
 * 	@author Jasper van Eck<jasper.vaneck@copernica.com>
 * 
 * 	An example file to show the working of a function call with parameters.
 */

/**
 * 	Default Cpp libraries
 */
 
#include <string>
#include <iostream>

/**
 * 	Our own library.
 */
#include <phpcpp.h>

/**
 *  Namespace to use
 */
using namespace std;

/**
 * 	my_with_undefined_parameters_function()
 * 	@param	Php:Parameters	the given parameters
 */
void my_with_undefined_parameters_function(Php::Parameters &params)
{
	for (unsigned int i = 0; i < params.size(); i++)
	{
		cout << "Parameter " << i << ": " << params[i] << endl;
	}
}

/**
 * 	my_with_defined_parameters_function()
 * 	@param	Php::Parameters		the given parameters
 * 	@return Php::Value			Param[0] and Param[1] added
 */
Php::Value my_with_defined_parameters_function(Php::Parameters &params)
{
	for (unsigned int i = 0; i < params.size(); i++)
	{
		cout << "Parameter " << i << ": " << params[i] << endl;
	}
	
	return params[0] + params[1];
}

/**
 * 	This functions receives a reference to a variable. When the variable is altered,
 * 	so is the value in the php script.
 * 	my_with_defined_parameters_reference_function()
 * 	@param	Php::Parameters		the given parameters
 */
void my_with_defined_parameters_reference_function(Php::Parameters &params)
{
	params[0] = "I changed!";
}

/**
 * 	my_with_defined_parameters_reference_function()
 * 	@param	Php::Parameters		the given parameters
 */
void my_with_defined_array_parameters_function(Php::Parameters &params)
{
	for (int i = 0; i < params[0].size(); i++)
	{
		cout << "The array: " << params[0][i] << endl;
	}
}

/**
 * 	my_with_defined_object_parameters_function()
 *  The use of objects is not yet implemented.
 * 	@param Php::Parameters		the given parameters
 */
void my_with_defined_object_parameters_function(Php::Parameters &params)
{
	for (unsigned int i = 0; i < params.size(); i++)
	{
		cout << params[i] << 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_function_with_parameters","1.0");
        
        // add function, with undefined parameters, to extension
        extension.add("my_with_undefined_parameters_function", my_with_undefined_parameters_function);
		
		// add function, with defined numeric parameters, to extension
		extension.add("my_with_defined_parameters_function", my_with_defined_parameters_function, {
			Php::ByVal("x", Php::numericType),
            Php::ByVal("y", Php::numericType)
			});
		
		// add function, with defined parameter by reference, to extension
		extension.add("my_with_defined_parameters_reference_function", my_with_defined_parameters_reference_function, {
			Php::ByRef("string", Php::stringType)
			});
		
		// add function, with defined array parameter, to extension
		extension.add("my_with_defined_array_parameters_function", my_with_defined_array_parameters_function, {
			Php::ByVal("array", Php::arrayType)
			});
		
		// add function, with defined object parameter, to extension
		extension.add("my_with_defined_object_parameters_function", my_with_defined_object_parameters_function, {
			Php::ByVal("myClassObjVar", "MyPhpClass")
			});
		
		// return the extension module
		return extension.module();
	}
}