From: zor at smallinfinity dot com
Operating system: Linux
PHP version: 4.3.4
PHP Bug Type: CGI related
Bug description: unset dose not free up memory when used on arrays
Description:
------------
php-cli is not freeing up memory of an array. I am haveing this problem on
a large scale and is makeing php take up 40mbs+.
Iv tryed unsetting each value independly. It still had the same problem.
Also this same thing seems to be happening to foreach.
Reproduce code:
---------------
<?
$test_array = Array();
$pid = getmypid();
$loop = 2000;
echo "Starting Memory:\n";
echo "USAGE (% KB PID ): " .`ps -eo%mem,rss,pid | grep $pid` . "\n";
for($i=0;$loop > $i;$i++){
$test_array[] = str_repeat("test", 5000);
}
echo "Finished Loop:\n";
echo "USAGE (% KB PID ): " .`ps -eo%mem,rss,pid | grep $pid` . "\n";
unset($test_array);
echo "Cleaned Up:\n";
echo "USAGE (% KB PID ): " .`ps -eo%mem,rss,pid | grep $pid` . "\n";
?>
Expected result:
----------------
Starting Memory:
USAGE (% KB PID ): 0.1 3592 14473
Finished Loop:
USAGE (% KB PID ): 1.3 42880 14473
Cleaned Up:
USAGE (% KB PID ): 1.3 3592 14473
Actual result:
--------------
Starting Memory:
USAGE (% KB PID ): 0.1 3592 14473
Finished Loop:
USAGE (% KB PID ): 1.3 42880 14473
Cleaned Up:
USAGE (% KB PID ): 1.3 42880 14473
--
Edit bug report at http://bugs.php.net/?id=27174&edit=1
--
Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=27174&r=trysnapshot4
Try a CVS snapshot (php5): http://bugs.php.net/fix.php?id=27174&r=trysnapshot5
Fixed in CVS: http://bugs.php.net/fix.php?id=27174&r=fixedcvs
Fixed in release: http://bugs.php.net/fix.php?id=27174&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=27174&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=27174&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=27174&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=27174&r=support
Expected behavior: http://bugs.php.net/fix.php?id=27174&r=notwrong
Not enough info: http://bugs.php.net/fix.php?id=27174&r=notenoughinfo
Submitted twice: http://bugs.php.net/fix.php?id=27174&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=27174&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=27174&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=27174&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=27174&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=27174&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=27174&r=float
