#20844 [NEW]: "array()" don't free memory

From: busia@tiscali.it Operating system: Redhat 7.0 PHP version: 4.3.0RC2 PHP Bug Type: Scripting Engine problem Bug description: "array()" don't free memory If I run this script: <? ini_set('memory_limit','100M'); echo "a"; $array=array(); for($i=0; $i<=500000; $i++) $array[]="pippoplu"; echo "b\n"; sleep(15); $array=array(); echo "c\n"; sleep(15); for($i=0; $i<=300000; $i++) $array[]="pippoplu"; echo "d\n"; sleep(15); ?> and I watch the memory usage i see: after the 'echo "a"': memory usage increases and it reaches 64MB (all is ok) after the 'echo "b"': memory usage is 64MB (all is ok) after the 'echo "c"': memory usage is 62MB (not ok) after the 'echo "d"': memory usage remains 62MB (not ok) Why '$array=array();' don't free the memory used by $array? and why the memory don't increases when between ' echo "c"' and 'echo "d"'? -- Edit bug report at http://bugs.php.net/?id=20844&edit=1 -- Try a CVS snapshot: http://bugs.php.net/fix.php?id=20844&r=trysnapshot Fixed in CVS: http://bugs.php.net/fix.php?id=20844&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=20844&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=20844&r=needtrace Try newer version: http://bugs.php.net/fix.php?id=20844&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=20844&r=support Expected behavior: http://bugs.php.net/fix.php?id=20844&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=20844&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=20844&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=20844&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=20844&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=20844&r=dst IIS Stability: http://bugs.php.net/fix.php?id=20844&r=isapi