fork download 
  1. <?php
  2. $bar='baz';
  3. $foo_baz='Hello';
  4. echo ${"foo_$bar"};
Success #stdin #stdout 0.01s 82560KB
comments (?)
stdin 
Standard input is empty
stdout 
Hello
https://ideone.com/CMIGKA
language:
PHP (php 7.3.5)
created:
7 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!