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  1. <?php
  2.  
  3. // your code goes here
  4. function rec_product($from, $to) {
  5.     return $from === $to ? $to : $to * rec_product($from, $to - 1);
  6. }
  7. echo rec_product(5, 15);
Success #stdin #stdout 0.01s 82560KB
comments (?)
stdin 
Standard input is empty
stdout 
54486432000
https://ideone.com/HZAF9r
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
public

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