Re: [PHP3] Re: [PHP4BETA] Re: [PHP3] OO

Quoting Zeev Suraski <zeev@zend.com>: > PHP 4.0 (which is our development platform, we won't put in any changes > into version 3.0 anyway) implements transparent reference counting for any > and all values in the system. That means that when you do $a = $b, you > will (almost) never trigger an actual data copy, but rather, increase the > reference count of the value $b points to by 1, and make $a point to it as > well. That means quite a few variables may end up pointing at the same > value. To be more accurate, there's almost no value in PHP that won't get > its reference count bumped to 2 or more during the execution of its > containing script. I assume that there's something that recognizes that when you do: $a = $b; $a = substr($a, 1); or something similar, $a gets it's own value, and $b isn't actually changed? -chuck -- Charles Hagenbuch, <chagenbu@wso.williams.edu> -- "virgins! virgins! virgins!" - jason