请随时查看doco了解更多信息http://us3.php.net/manual/en/function.register-shutdown-function.php

<?PHP
function shutdown()
{
    // This is our shutdown function,in 
    // here we can do any last operations
    // before the script is complete.
 
    echo 'Script executed with success',PHP_EOL;
}
 
register_shutdown_function('shutdown');
?>