Tutorial for $GLOBALS in Super Global Variables

Post Views: 5

What is $GLOBALS?

$GLOBALS is a super global variable that may be accessed from anywhere in the PHP script. All global variables are stored in the array $GLOBALS[], where index is the global variable name that may be retrieved.

All global variables are stored in an array named $GLOBALS[index] in PHP. The variable’s name is stored in the index.

Global Variables - Superglobals Several predefined variables in PHP are "superglobals", which means that they are always accessible, regardless of scope. - ppt download

The example below shows how to use the super global variable $GLOBALS:

Example:-

Output:-

Two global variables, $x and $y, are declared in the above code and are given a value. Then, in the GLOBAL array, a function multiplication() is written to multiply the values of $x and $y and store the result in another variable $z.

Author
Recent Posts

Ashwani Kumar

Sr. Software Engineer at Cotocus Private Limited

There is no end to education. It is not that you read a book, pass an examination, and finish with education. The whole of life, from the moment you are born to the moment you die, is a process of learning.