Re: pointers in php

> I have a problem with pointers in php. They're not pointers. PHP is not C. It happens to look C, but it's not. > In the following code the parent object should be a pointer to class Main > ($this), but it's a copy ... It's an alias, not a pointer. > <?php > class Sub_A { > > // constructor > > function Sub_A(&$parent) { > > $this->parent = &$parent; > > } > > function Modify($text) { > > $this->parent->B->text = $text; > > } > > } > > class Sub_B { > > var $text = "untouched"; > > // constructor > > function Sub_B(&$parent) { > > $this->parent = &$parent; > > } > > } > > class Main { > > // constructor > Style Tip: Add var $A; var $B; > function Main() { > > $this->A = new Sub_A($this); I *think* you want &$this as the argument to do what you are trying to do... > > $this->B = new Sub_B($this); > > } > > > } > > $test = new Main(); > > $test->A->Modify('test'); > > // this method should work, but doesnt (should return "test" instead of > "untouched") > > echo $test->B->text."<br>"; > > // parent isnt a pointer but a copy so absolute addressing works > > echo $test->A->parent->B->text."<br>"; > > ?> Bottom Line: It's not C. Don't expect it to work exactly like C. -- WARNING richard@zend.com address is an endangered species -- Use ceo@l-i-e.com Wanna help me out? Like Music? Buy a CD: http://l-i-e.com/artists.htm Volunteer a little time: http://chatmusic.com/volunteer.htm