fork download 
  1. <?php
  2. function compose($f, $g) {
  3.     return function() use($f, $g) { return $f(call_user_func_array($g, func_get_args())); };
  4. }
  5.  
  6. function f($x) { return $x + 1; };
  7. function g($l) { return count($l); };
  8.  
  9. echo compose("f", "g")([1,2,3]);
Success #stdin #stdout 0s 82560KB
comments (?)
stdin 
Standard input is empty
stdout 
4
https://ideone.com/YPq4FL
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!