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  1. <?php
  2.    function c1(){
  3.    	   echo c1;
  4.    	   return 0;
  5.    }
  6.    function c2(){
  7.    	   echo c2;
  8.    	   return 2;
  9.    }   
  10.    if (c1() && c2())
  11.      echo '+';
  12.    else echo '-';
  13. // your code goes here
Success #stdin #stdout #stderr 0.01s 52488KB
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stdin
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Standard input is empty
stdout
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c1-
stderr
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PHP Notice:  Use of undefined constant c1 - assumed 'c1' in /home/YgWUDo/prog.php on line 3
https://ideone.com/7D1HPJ
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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