PHP Global Variables
Global Variables:
Global Variables can be accessed in anywhere in program. These can be called or used across the process or sub process that is with in the program. Global variables can be overridden at runtime.
Example
<?php
$website = "http://www.programmersbank.com";
function addit() {
GLOBAL $website;
print "Website is $website";
}
addit();
?>
This will produce following result.$website = "http://www.programmersbank.com";
function addit() {
GLOBAL $website;
print "Website is $website";
}
addit();
?>
Website is http://www.programmersbank.com