From:             gu_ludo at yahoo dot com dot br
Operating system: WinXP SP3
PHP version:      5.3.23
Package:          Filesystem function related
Bug Type:         Bug
Bug description:filemtime() and 'mtime' index from stat() only works for the 
first call

Description:
------------
The functions stat() and filemtime() don't return a different value for the
file's modification time on a second call whereas fstat() does.

Test script:
---------------
echo "Using filemtime():\n";
$filename = tempnam(sys_get_temp_dir(), 'foo');
file_put_contents($filename, "First row\n", FILE_APPEND);
var_dump(filemtime($filename));
sleep(5);
file_put_contents($filename, "Second row\n", FILE_APPEND);
var_dump(filemtime($filename));

echo "\nUsing stat():\n";
$filename = tempnam(sys_get_temp_dir(), 'foo');
file_put_contents($filename, "First row\n", FILE_APPEND);
$stat = stat($filename);
var_dump($stat['mtime']);
sleep(5);
file_put_contents($filename, "Second row\n", FILE_APPEND);
$stat = stat($filename);
var_dump($stat['mtime']);

echo "\nUsing fstat():\n";
$filename = tempnam(sys_get_temp_dir(), 'foo');
$f = fopen($filename, 'r');
file_put_contents($filename, "First row\n", FILE_APPEND);
$stat = fstat($f);
var_dump($stat['mtime']);
sleep(5);
file_put_contents($filename, "Second row\n", FILE_APPEND);
$stat = fstat($f);
var_dump($stat['mtime']);

Expected result:
----------------
Using filemtime():
int(1364217934)
int(1364217939)

Using stat():
int(1364217939)
int(1364217944)

Using fstat():
int(1364217944)
int(1364217949)

Actual result:
--------------
Using filemtime():
int(1364217934)
int(1364217934)

Using stat():
int(1364217939)
int(1364217939)

Using fstat():
int(1364217944)
int(1364217949)

-- 
Edit bug report at https://bugs.php.net/bug.php?id=64510&edit=1
-- 
Try a snapshot (PHP 5.4):   
https://bugs.php.net/fix.php?id=64510&r=trysnapshot54
Try a snapshot (PHP 5.3):   
https://bugs.php.net/fix.php?id=64510&r=trysnapshot53
Try a snapshot (trunk):     
https://bugs.php.net/fix.php?id=64510&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=64510&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=64510&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=64510&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=64510&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=64510&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=64510&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=64510&r=notwrong
Not enough info:            
https://bugs.php.net/fix.php?id=64510&r=notenoughinfo
Submitted twice:            
https://bugs.php.net/fix.php?id=64510&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=64510&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=64510&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=64510&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=64510&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=64510&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=64510&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=64510&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=64510&r=mysqlcfg

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