ID: 9407
Updated by: andre
Reported By: [EMAIL PROTECTED]
Old-Status: Open
Status: Suspended
Bug Type: Performance problem
Assigned To: 
Comments:

cicrular/self references are known to leak memory, not sure
if this can be improved

Previous Comments:
---------------------------------------------------------------------------

[2001-02-22 12:09:20] [EMAIL PROTECTED]
-----configure-----
"./configure" 
"--with-apache=../apache_1.3.14" 
"--with-mysql" 
"--enable-sysvshm" 
"--enable-sysvsem" 
"--with-gd" 
"--enable-trans-sid" 
"--with-config-file-path=/etc/" 
"--enable-url-includes" 
"--enable-magic-quotes" 
"--enable-track-vars" 
"--enable-sockets" 
"--with-jpeg-dir=/root/jpeg-6b/" 
"--with-imap=/root/imap-2000b" 
-----configure-----

maybe i should mention, that
this problem happend with every other configuration i tested (other Servers) too


-----sample-scripts-----
-----class-one-----
<?php
/**
* Class one
*/
class one 
{
 /**
 * @var object foobar contains reference to this object  
 */ 
 var $foobar1;
 
 /**
 * @var object foobar2 contains reference to another object  
 */ 
 var $foobar2;
 
 /**
 * Constructor, putting reference of array including this object in class var $foobar 
 * @param object foobar reference to array including this object
 */
 function one(&$foobar)
 {
  $this->foobar1 =& $foobar[0];
  $this->foobar2 =& $foobar[1];
 }
}
?>
-----class-one-----
-----class-two-----
<?php
/**
* Class one
*/
class two extends some_other_class_but_not_class_one 
{
 /**
 * @var string foo defaults to "bar"  
 */ 
 var $foo ="bar";
 
 /**
 * Calling constructor of parent class.. nothing from intrest,
 * tested this using diffrent classes, this example is just
 * meant for those who say "Why dont you just extend class 
 * one/two to let them work together  
 */
 function two()
 {
   $this->some_other_class_but_not_class_one();  
 }
}
?>
-----class-two-----
-----script------

<?php
include("class.one.php");
include("class.two.php");

/* needed for some reasons, i dont think here is the problem */
session_start();
session_register($classarray);

$classarray[0] = new one($classarray);
$classarray[1] = new two;
?>
-----script------
-----sample-scripts-----

-----problem-----
Execute a set of scripts like this, uhm say 3000 times, youll notice that 
your free mem will get lower and lower...
i noticed that when my mem was full... not really cool...

i think this is a problem of the garbage collection, but im not sure...

any ideas?


Peter Petermann

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