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Bug #51841 switch not working properly
Submitted: 2010-05-17 16:54 UTC Modified: 2010-05-17 17:06 UTC
From: christian dot gnoth at arcor dot de Assigned:
Status: Not a bug Package: *General Issues
PHP Version: 5.2.13 OS: Linux x86_64
Private report: No CVE-ID: None
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From: christian dot gnoth at arcor dot de
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 [2010-05-17 16:54 UTC] christian dot gnoth at arcor dot de 
Description:
------------
$page_id is defined as global and empty

  switch ( $page_id )
  {
    case 0:
      echo '$page_id: ' . $page_id . '<br />';
      break;
    default:
      break;
  }

should go into the default tree, but uses the first one case 0.


Test script:
---------------
see above

Expected result:
----------------
see above

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 [2010-05-17 17:06 UTC] johannes@php.net
-Status: Open +Status: Bogus
 [2010-05-17 17:06 UTC] johannes@php.net 
Thank you for taking the time to write to us, but this is not
a bug. Please double-check the documentation available at
http://www.php.net/manual/ and the instructions on how to report
a bug at http://bugs.php.net/how-to-report.php

Switch uses a comparison like ==. null == 0 evaluates to true, so the first block is executed.
 
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