Top "Superglobals" questions

What is the value in '$_SERVER['UNIQUE_ID'] used for?

I can't find any mention of it in the documentation, but there seems to be an additional entry in the $_…

php superglobals

What happens if you assign a value to $_REQUEST?

I recently came across this line in a PHP script: $_REQUEST['start_date']=$date; Is it allowed or useful in …

php superglobals

Using isset and filter_input the correct way in PHP

I am developing a basic API for some simple functionality. I am capturing inputs like below: if ($action == 'delete' &&…

php isset superglobals

Should I Use PHP Superglobals or Filter Input to Retrieve $_GET data?

I really hate global variables - maybe its the C# programmer in me but when I'm working in PHP I …

php superglobals

At what point in the startup process does PHP set the REQUEST_TIME variables

As noted in the PHP documentation, the $_SERVER superglobal array contains two elements, REQUEST_TIME and REQUEST_TIME_FLOAT, both …

php time superglobals