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Bug #21008 When initialising an undeclared instance variable no error is shown
Submitted: 2002-12-14 06:03 UTC Modified: 2002-12-14 06:07 UTC
Avg. Score:2.3 ± 0.9
Reproduced:0 of 1 (0.0%)
From: jan_willem_maarse at hotmail dot com Assigned:
Status: Wont fix Package: Scripting Engine problem
PHP Version: 4.2.3 OS: Linux
Private report: No CVE-ID: None
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From: jan_willem_maarse at hotmail dot com
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 [2002-12-14 06:03 UTC] jan_willem_maarse at hotmail dot com
When I call a method that initializes a instance variable that isn't declared, php doen's complain. I see this as a bug, because when I mis-spelled an instance variabele some strange things happen. Because when I trie to get the value of an instance variabele, I get the old/unitialized value.

Here is some sample code:


class apple
   var $color;

   function fruit($new_color) {
      $this->color = $new_color;

   function set_taste($new_taste) {
      $this->taste = $new_taste;

$green_apple = new apple('green');




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 [2002-12-14 06:07 UTC]
Not a bug at all, you don't need to declare any variable in PHP, nowhere. Adding an error for this will break tons of scripts, so we're not going to add it.
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