The typical way to access a variable or instance from inside a
function/method is to either declare it a global variable or pass it as
a argument. Is there any reason why someone shouldn't use static class
variables to do this? Ex:
<?php
class Foo {
public static $bar_instance;
}
class Bar {
public function do_something() {}
}
Foo::$bar_instance = new Bar;
function foo_bar() {
Foo::$bar_instance->do_something();
}
foo_bar();
?>
Crude example but imagine this on a larger scale. I'm thinking there may
be some kind of php optimization that this would hamper or something to
that effect.
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