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  1. <?php
  2.  
  3. $x = 1;
  4.  
  5. echo $x, PHP_EOL;
  6.  
  7. function foo() {
  8.     global $x;
  9.  
  10.     $x = 2;
  11.  
  12.     echo $x, PHP_EOL;
  13. }
  14.  
  15. foo();
  16.  
  17. echo $x, PHP_EOL;
Success #stdin #stdout 0s 82880KB
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https://ideone.com/ckDPLc
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
secret

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