fork(11) download
copy 
  1. <?php
  2. $foo = file_get_contents('php://stdin', "r");
  3. $foo = preg_replace( '/\h+/', ' ', $foo );
  4. echo $foo;
  5. ?>
Success #stdin #stdout 0.01s 20520KB
comments (?)
stdin
copy 
Hello     very 
world
stdout
copy 
Hello very 
world
https://ideone.com/NcOiKW
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
secret

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!