Global Variables in PHP 7 Internals
In PHP, variables declared outside of functions or classes are considered global. These reside in the main script scope and can be accessed within functions or methods using the global keyword.
function incrementId() {
global $counter;
$counter++;
}
$counter = 1;
incrementId();
echo $counter; // outputs 2
Initialization of Global Vari ...
Posted on Fri, 15 May 2026 22:31:09 +0000 by mcovalt