PHP $GLOBALS (super global) variable
Description
$GLOBAL is a php super global variable which can be used instead of 'global' keyword to access variables from global scope, i.e. the variables which can be accessed from anywhere in a php script even within functions or methods.
Here is an example to testify the theory mentioned above:
<?php
$s = 25;
$t = 50;
function subtraction()
{
$GLOBALS['v'] = $GLOBALS['t'] - $GLOBALS['s'];
}
subtraction();
echo $v;
?>
In the code above, since v is a variable present within $GLOBALS array,
it is accessible form outside the function also.
View the example of $GLOBALS variable in the browser