Question:Which is correct in CodeIgniter about closing tag? 

A 
<?php
class Helloworld extends Controller{
 function index(){
  echo("Hello, World!");
 }
}
?>
 

B 
<?php
class Helloworld extends Controller{
 function index(){
  echo("Hello, World!");
 }
}
/* End of file helloworld.php */
/* Location: system/application/controllers/ */
 

C 
<?php
class Helloworld extends Controller{
  function index(){
    echo("Hello, World!");
  }
}
/* End of file helloworld.php */
/* Location: system/application/controllers/ */
?>
 

D None 

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