xxxxxxxxxx<html lang="en"><head> <title>PHP Global Keyword</title></head><body>$greet = "Hello World!"; // Defining functionfunction test(){ global $greet; echo '<p>$greet inside function is: ' . $greet . '</p>';} test();echo '<p>$greet outside of function is: ' . $greet . '</p>'; // Assign a new value to variable$greet = "Goodbye"; test();echo '<p>$greet outside of function is: ' . $greet . '</p>';</body></html>