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To: Sara Golemon <pollita@php.net>
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Subject: Re: [PHP-DEV] Lexical scoping
From: ajf@ajf.me (Andrea Faulds)



On 28/01/14 16:28, Sara Golemon wrote:
> Figure out how that looks to the runtime and we can start a
> conversation.  Until then, you're asking for something that PHP's
> engine is ill-equipped to introduce.

Is that really the case? If we don't permit variable shadowing here 
(i.e. you cannot do "$var = x; { let $var = y; } var_dump($var);"), then 
it would be as simple internally as unsetting the variable at the end of 
the block.
-- 
Andrea Faulds
http://ajf.me/