fork download
copy 
  1. <?php
  2.  
  3.  
  4. $var = 5;
  5. $var2 = 4;
  6.  
  7.  
  8. $total = isset($var) + isset($var2) + isset($var3);
  9. echo $total;
Success #stdin #stdout 0.02s 52472KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
2
https://ideone.com/1fPXlr
language:
PHP (php 7.3.5)
created:
8 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!