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Bug #20035 __LINE__ miscounts with #!/path/php scripts
Submitted: 2002-10-22 19:34 UTC Modified: 2002-11-05 16:07 UTC
From: befletch at yahoo dot com Assigned: iliaa (profile)
Status: Closed Package: Scripting Engine problem
PHP Version: 4.2.3 OS: OpenBSD 3.1
Private report: No CVE-ID: None
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 [2002-10-22 19:34 UTC] befletch at yahoo dot com 
The built-in variable __LINE__ undercounts by 1 on command-line scripts that begin with a #!path-to-php line.  For example:

#!/usr/local/bin/php -q
<?php
echo "Line 3 reports ".__LINE__."\n";
?>

This script will output:

Line 3 reports 2

This issue also applies to (at least) some other 4.1+ releases.

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 [2002-10-22 19:39 UTC] iliaa@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
 [2002-10-22 20:25 UTC] befletch at yahoo dot com 
Excuse me, but I don't understand why this isn't a bug.  The only reference to __LINE__ I can find in the documentation is here:

http://www.php.net/manual/en/language.constants.php

I can find nothing that suggests it is reasonable that __LINE__ counts are off by one when used in #! prefixed command line scripts, (but not in other uses) and I can see no reason why this would be considered reasonable behaviour.

Can someone give me at least a 1 sentence explanation instead of just hitting the 'quick-fix' RTFM button?
 [2002-10-23 00:44 UTC] derick@php.net 
Your kernel strips the first line, and so PHP sees the last 3 lines. As it doesn't know that the kernel stripped the first shebang line it's obvious that your line 3 reports line 2.

Derick
 [2002-10-23 10:13 UTC] sander@php.net 
The shebang line doesn't get stripped off by the kernel, PHP does that. This is a bug.
 [2002-11-05 16:07 UTC] iliaa@php.net 
This bug has been fixed in CVS.

In case this was a PHP problem, snapshots of the sources are packaged
every three hours; this change will be in the next snapshot. You can
grab the snapshot at http://snaps.php.net/.
 
In case this was a documentation problem, the fix will show up soon at
http://www.php.net/manual/.

In case this was a PHP.net website problem, the change will show
up on the PHP.net site and on the mirror sites in short time.
 
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