From: nherdananto at gmail dot com
Operating system: FreeBSD 5.5
PHP version: 4.4.4
PHP Bug Type: Filesystem function related
Bug description: is_file() and file_exists() returning false on high load
Description:
------------
is_file() or file_exists() returning false on existing file.
the script is executed about 8x per second and checking a file in a
directory filled with 5000 to 30000 files.
for 344000 execution, it fails about 2000 times.
no change on php.ini
Reproduce code:
---------------
$tid = isset( $_GET['tid'] ) ? $_GET['tid'] : "";
$file = "/data/".$tid.".txt";
if(file_exists()) {
echo "1";
} else {
echo "0";
}
Expected result:
----------------
for 344000 execution, it should producing 1 for 344000 times.
Actual result:
--------------
less than 344000 times of 1 echoed.
--
Edit bug report at http://bugs.php.net/?id=39063&edit=1
--
Try a CVS snapshot (PHP 4.4):
http://bugs.php.net/fix.php?id=39063&r=trysnapshot44
Try a CVS snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=39063&r=trysnapshot52
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=39063&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=39063&r=fixedcvs
Fixed in release:
http://bugs.php.net/fix.php?id=39063&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=39063&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=39063&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=39063&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=39063&r=support
Expected behavior: http://bugs.php.net/fix.php?id=39063&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=39063&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=39063&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=39063&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=39063&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=39063&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=39063&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=39063&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=39063&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=39063&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=39063&r=mysqlcfg