fork(1) download 
  1. <?php
  2.  
  3. namespace api {
  4. namespace validation {
  5.  
  6. namespace detail {
  7. // implementation detail
  8. }
  9.  
  10. // api
  11.  
  12. } 
  13. }
Runtime error #stdin #stdout #stderr 0.01s 20520KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
PHP Fatal error:  Namespace declarations cannot be nested in /home/8YglVu/prog.php on line 4
https://ideone.com/UnE8a8
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!