$_SCOPE doesn't need to be that special... It can just be an object with
overloaded array access... Whenever a dim is fetched for that object,
check current_execute_data->prev->symbol_table for the variable and
return that.
Once again - current_execute_data->prev at *closure runtime* has nothing
common with the symbol table that closure is supposed to capture. The
symbol table is present at the *closure instantiation* time - i.e. when
$foo = function(...) {...} (1)
is executed, not when
$foo(...) (2)
is executed. (1) may be executed in scope entirely unrelated to (2) and
only in rare special cases scope (1) would precede scope (2). In many
other cases, totally unrelated scope would be predecessor of (2) and
getting values from there would be a big surprise to the user.
--
Stanislav Malyshev, Zend Products Engineer
[EMAIL PROTECTED] http://www.zend.com/
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