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  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. $f = function($x) { return $x + 1; };
  7. $g = function($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/gJG1aD
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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