<html><body>$a = "Hello world!";echo debug_zval_dump($a) . "<br>";</body><!-- Mirrored from www.w3schools.com/php/phptryit.asp?filename=tryphp_func_var_debug_zval_dump by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 02:51:08 GMT --></html>