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<!DOCTYPE html> <html lang="en"> <head> <title>Using PHP Function Variable Outside</title> </head> <body> <?php // Defining function function test(){ $greet = "Hello World!"; echo '<p>$greet inside function is: ' . $greet . '</p>'; } test(); // Generate undefined variable error echo '<p>$greet outside of function is: ' . $greet . '</p>'; ?> </body> </html>
