fork(4) download
copy 
  1. <?php
  2.  
  3. function double($x) {
  4.     echo 2*$x, PHP_EOL;
  5. }
  6.  
  7. $array = [1, 2, 3, 4];
  8.  
  9. array_walk($array, "double");
Success #stdin #stdout 0s 82880KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
2
4
6
8
https://ideone.com/bqVx1b
language:
PHP (php 7.3.5)
created:
7 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!