Show Output
<!DOCTYPE html> <html lang="en"> <head> <title>PHP Global Keyword</title> </head> <body> <?php $greet = "Hello World!"; // Defining function function 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>
