fork(6) download
copy 
  1. <?php
  2. $q = "ball ball foo bar bar baz";
  3. $q = preg_replace("/\b(\w+)\s+\\1\b/i", "$1", $q);
  4. echo $q;
  5. ?>
Success #stdin #stdout 0.02s 13112KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
ball foo bar baz
https://ideone.com/uthL0
language:
PHP (php 7.3.5)
created:
11 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!