Is it possible to list all variables open in a script and their values? Or even better a list of open objects?
I can already list all $_POST, $_GET, $_COOKIES and $_SESSION but would really like to know a list of open variables, mainly for debug but it would be nice to see if there are any that I have not closed down correctly at the end of a page.
Variables do not get "opened" or "closed" -- they get set or unset() and there is rarely a reason to unset() variables at the end of a script. Variable have a scope of definition (http://php.net/manual/en/language.variables.scope.php)
Nothing in an HTTP request can be trusted, including HTTP headers and form data. A form token is a tool that can be used to guard against request forgeries (CSRF). This article shows an improved approach to form tokens, making it more difficult to…
The viewer will learn how to create a basic form using some HTML5 and PHP for later processing.
Set up your basic HTML file. Open your form tag and set the method and action attributes.:
Set up your first few inputs one for the name and …