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Bug #38154 PHP CLI filemtime() is wrong
Submitted: 2006-07-19 23:26 UTC Modified: 2006-10-26 01:00 UTC
Votes:6
Avg. Score:3.8 ± 0.9
Reproduced:6 of 6 (100.0%)
Same Version:1 (16.7%)
Same OS:2 (33.3%)
From: dave at smartboy dot com Assigned:
Status: No Feedback Package: Date/time related
PHP Version: 5.1.4 OS: Windows XP
Private report: No CVE-ID: None
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 [2006-07-19 23:26 UTC] dave at smartboy dot com 
Description:
------------
Using PHP CLI on Windows - filemtime() returns an incorrect value.

This problem does NOT occur with the Apache 2 SAPI.

Value reported is ahead by 9 hours (could be time zone related?  I am in GMT+10:00 time zone)

Sample output:

$ php test_filemtime.php
2006-07-20 18:20:08

$ ls -l test_filemtime.php
-rw-r--r-- 1 Dave None 81 Jul 20 09:20 test_filemtime.php

(the above from Cygwin)

When running the exact same script inside Apache2 the correct time is printed

2006-07-20 09:20:08


Reproduce code:
---------------
<?php

echo date('Y-m-d H:i:s', filemtime($_SERVER["SCRIPT_FILENAME"])) . "\n";

Expected result:
----------------
2006-07-20 09:20:08

Actual result:
--------------
2006-07-20 18:20:08

Patches

Pull Requests

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 [2006-07-20 15:20 UTC] mike@php.net 
Set date.timezone to your timezone.
 [2006-07-22 01:41 UTC] dave at smartboy dot com 
Setting date.timezone does not change the behaviour.  Changing the sample script to:

<?php

echo "default timezone: " . date_default_timezone_get() . "\n";

date_default_timezone_set("Australia/Brisbane");

echo "default timezone: " . date_default_timezone_get() . "\n";

echo date('Y-m-d H:i:s', filemtime($_SERVER["SCRIPT_FILENAME"])) . "\n";


produces this output:

$ php test_filemtime.php
default timezone: Australia/Melbourne
default timezone: Australia/Brisbane
2006-07-22 20:35:22

Which is still 9 hours greater than it should be.

When using Apache2 SAPI, the following (correct) output is generated:

default timezone: Australia/Melbourne
default timezone: Australia/Brisbane
2006-07-22 11:35:22


Changing "Australia/Brisbane" to "UTC" changes the time that is printed, however there is still a 9 hour difference between the value printed by CLI (2006-07-22 10:39:47) and the value printed by Apache2 SAPI (2006-07-22 01:39:47)
 [2006-07-22 08:33 UTC] derick@php.net 
Can you get rid of the date() calls so that we can rule out that that is the problem and not filemtime?
 [2006-07-23 04:07 UTC] dave at smartboy dot com 
Changed test_filemtime.php to:

<?php

echo filemtime($_SERVER["SCRIPT_FILENAME"]) . "\n";
date_default_timezone_set("UTC");
echo filemtime($_SERVER["SCRIPT_FILENAME"]) . "\n";


Output is:

$ php test_filemtime.php
1153659348
1153659348


So, the return from filemtime() is not affected by the date.timezone setting.  However the value is out by 9 hours.  This is the expected return value: 

$ stat -c%Z test_filemtime.php
1153626948

(this matches very closely the output of date +%s, as I had just saved the file when running the above command)

And the difference is 9 hours

$ echo $((1153659348-1153626948))
32400

$ echo $((9*3600))
32400
 [2006-09-18 06:48 UTC] derick@php.net 
Unassigning as this has nothing to do with the date code.
 [2006-10-18 21:16 UTC] tony2001@php.net 
Please try using this CVS snapshot:

  http://snaps.php.net/php5.2-latest.tar.gz
 
For Windows:
 
  http://snaps.php.net/win32/php5.2-win32-latest.zip

Not reproducible.
 [2006-10-26 01:00 UTC] php-bugs at lists dot php dot net 
No feedback was provided for this bug for over a week, so it is
being suspended automatically. If you are able to provide the
information that was originally requested, please do so and change
the status of the bug back to "Open".
 [2007-08-18 01:46 UTC] dheathorn at gmail dot com 
I'm having the same issue of filemtime() reporting 9 hours ahead of when it is suppose to
I'm on Windows XP running PHP v5.2.0
I tested this on Linux running PHP v5.1.6 and it reported correctly.
In my opinion it's a bug relating to PHP under Windows XP.
 [2007-08-18 01:58 UTC] dheathorn at gmail dot com 
Nevermind about my last comment. This bug has been fixed in latest version of PHP. I should have tried this first.
 
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