Build PHP 7.2 Extension for XAMPP/WAMP

I need to build PHP Extension for Windows like [login to view URL] This is a simple one function extension, with a php function HelloWorld($arg) which receives one argument of type string and print it to the page. I need to build PHP Extension for Windows like [login to view URL] This is a simple one function extension, with a php function HelloWorld($arg) which receives one argument of type string and print it to the page. I need to build PHP Extension for Windows like [login to view URL] This is a simple one function extension, with a php function HelloWorld($arg) which receives one argument of type string and print it to the page.