PHP 4.0 Bug #9407: Memory Problem while using self referencing objects...

From: zimt@php.net Operating system: Linux (Red Hat 6.1german) on Kernel 2.2.12-32 PHP version: 4.0.4pl1 PHP Bug Type: Performance problem Bug description: Memory Problem while using self referencing objects... -----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 -- Edit Bug report at: http://bugs.php.net/?id=9407&edit=1