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Bug #19910 including __FILE__
Submitted: 2002-10-14 18:49 UTC Modified: 2002-10-16 05:27 UTC
From: seba at volja dot net Assigned:
Status: Not a bug Package: Scripting Engine problem
PHP Version: 4.2.2 OS: Windows NT 5.0 build 2195
Private report: No CVE-ID: None
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 [2002-10-14 18:49 UTC] seba at volja dot net 
If you include the file is beeing parsed, either with __FILE__ or with the filename, apache (I just tested on apache and php 4.2.2) will crash.

<?php
include __FILE__;
?>

OR

<?php
// __FILE__ == 'test.php'; true
include 'test.php';
?>

result: Apache.exe has generated errors and will be closed by Windows... (and so on)

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 [2002-10-14 19:02 UTC] sniper@php.net 
There are also many other ways to crash PHP like this.
This is called "Infinite recursion".
Not a bug.
 [2002-10-15 05:19 UTC] seba at volja dot net 
Hmm... I tried another version of the infinite loop:

<?php
while (1) {
	$x++;
}
?>

And the result was just:
Fatal error: Maximum execution time of 30 seconds exceeded in d:\wwwroot\smeti\bug.php on line 3

So I think, that the same must happen with the include (infinite) recursion.
 [2002-10-15 05:20 UTC] seba at volja dot net 
Nevermind... I tried with another infinite recursion:
<?php
function a() {
	b();
}
function b() {
	a();
}
a();
?>

And the same happend as the include recursion...
 [2002-10-16 05:27 UTC] mfischer@php.net 
Hehe .. just incrementing an integer value doesn't overflow the stack while a recursive functionc all does.
 
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