Web Reference: PHP implements the static and global modifier for variables in terms of references. For example, a true global variable imported inside a function scope with the global statement actually creates a reference to the global variable. Variables of the outer most scope are automatically global variables, and can be used by any scope. However, to use a global variable inside a function you have to either define them as global with the global keyword, or refer to them by using the $GLOBALS syntax. In this detailed course page, we’ll explore PHP Global Variables, which are a fundamental concept in PHP programming. Understanding global variables is essential because they allow data to be accessed across multiple scopes of your script.
YouTube Excerpt: In this video I will teach you about SUPERGLOBALS in
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