Show Output
<!DOCTYPE html> <html lang="en"> <head> <title>Including File Only Once in PHP</title> </head> <body> <?php // Including file require_once "my_functions.php"; // Calling the function multiplySelf(2); // Output: 4 echo "<br>"; // Including file once again require_once "my_functions.php"; // Calling the function multiplySelf(5); // Output: 25 ?> </body> </html>
