fork download
copy 
  1. <?php
  2.  
  3. $a = '2+4';
  4. $b = '2+4a';
  5. $c = NULL;
  6. $d = ' ';
  7. $e = 6;
  8. $f = '6';
  9. $g = 'false';
  10. echo $a-$b;
  11. echo $a+$b;
  12. echo $a-$f;
  13. echo $e-$f;
  14. echo $c-$d;
  15. ?>
Success #stdin #stdout #stderr 0.01s 82880KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
04-400
stderr
copy 
PHP Notice:  A non well formed numeric value encountered in /home/rViPOT/prog.php on line 10
PHP Notice:  A non well formed numeric value encountered in /home/rViPOT/prog.php on line 10
PHP Notice:  A non well formed numeric value encountered in /home/rViPOT/prog.php on line 11
PHP Notice:  A non well formed numeric value encountered in /home/rViPOT/prog.php on line 11
PHP Notice:  A non well formed numeric value encountered in /home/rViPOT/prog.php on line 12
PHP Warning:  A non-numeric value encountered in /home/rViPOT/prog.php on line 14
https://ideone.com/TXkqRS
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!