PHP/Utility Function/register shutdown function

register_shutdown_function and sleep

   <source lang="html4strict">

<?

   function say_goodbye( ) {
           print "Goodbye!\n";
   }
   register_shutdown_function("say_goodbye");
   set_time_limit(1);
   print "Sleeping...\n";
   sleep(2);
   print "Done!\n";

?>

 </source>
   
  

void register_shutdown_function ( function callback[, mixed param [, mixed ...]] ) registers with PHP a function to be run when script execution ends

   <source lang="html4strict">

<?

   function say_goodbye( ) {
           echo "Goodbye!\n";
   }
   register_shutdown_function("say_goodbye");
   echo "Hello!\n";

?>

 </source>