So, I don't come from a huge PHP background—and I was wondering if in well formed code, one should use the 'superglobals' directly, e.g. in the middle of some function say $_SESSION['x'] = 'y'; or ...

I've got this message warning on Netbeans 7.4 for PHP while I'm using $_POST, $_GET, $_SERVER, .... Do not Access Superglobal $_POST Array Directly What does it mean? What can I do to correct ...

As noted in the PHP documentation, the $_SERVER superglobal array contains two elements, REQUEST_TIME and REQUEST_TIME_FLOAT, both of which contain the timestamp of the start of the request, in var...

the INPUT_POST Parameter of the PHP filter function filter_input_array() e.g. in filter_input_array(INPUT_POST, FILTER_SANITIZE_STRING); seems to overwrite any modification applied to the superg...

I am learning PHP from w3schools' PHP Tutorial. While learning PHP I came across the concept of predefined global variables i.e. Superglobals. In a curiosity to understand "Superglobals" more d...

I'm discovering secrets of PHP. I've found one thing that I don't have answer to. I would like to access variables from super-global $_SESSION in class. Everything works but PHPMD engine to check m...

Zend Framework 1 had a very simple way of parsing URL routes and setting found params in the $_GET superglobal for easy access. Sure, you could use ->getParam($something) inside the controller, but...

I don't know maybe it's a bug. I have 2 virutalhosts on my server. virtualhost1.com virtualhost2.com if i open virtualhost1.com with port 80 (virtualhost1.com:80) $_SERVER['HTTP_HOST']='virtual...

Is $_SERVER['SERVER_ADDR'] always set? Should I check with isset() or is that unnecessary? I need to get the IP of the site so I can find out if it's 127.0.0.1/localhost

Are this methods a reliable way to measure a script: $time = ($_SERVER['REQUEST_TIME_FLOAT'] - $_SERVER['REQUEST_TIME']); or $time = (microtime(true) - $_SERVER['REQUEST_TIME_FLOAT']); Which ...

As a web developer, I'm always using this approach to something like a login form or other “save” operation (ignoring the dangers of directly accessing input variables): if (isset($_POST['action']...

I can't find any mention of it in the documentation, but there seems to be an additional entry in the $_SERVER superglobal named UNIQUE_ID? What is this value used for? It's fairly obvious that it...

I have generally assumed that in a PHP script I can test $_SERVER['REMOTE_ADDR'] to establish the IP address from which the request originated. However, I am starting to wonder if things are not a ...

Is there a place to find a list of the possible values for the PHP predefined constant PHP_OS ? I'd like to use this value for a system requirements check, but need to know how different operating ...

What happens on the server to set the request time? Does it take into account the timezone for which the server is configured? I'm asking because I need to know, if I have a site that has a timezo...

I have this framework project kind of on the backburner where I want to enforce the use of an Input class to access all superglobals like $_POST, $_GET and $_SERVER. A recent question here reminded...

I recently came across this line in a PHP script: $_REQUEST['start_date']=$date; Is it allowed or useful in any way to assign something to the super global $_REQUEST variable? If there is a $_CO...

I have a database full of website urls, the primary key is the $_SERVER["HTTP_HOST"] of the website. When a user navigates to ... lets say www.my-epic-example-url.com, It will connect the the data...

I really hate global variables - maybe its the C# programmer in me but when I'm working in PHP I grit my teeth every time I have to do something like this: $strUsername = $_GET['username']; Yes,...