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To: PHP internals <internals@lists.php.net>
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Subject: [RFC] Allow non-variable arguments to empty() and isset()
From: nikita.ppv@googlemail.com (Nikita Popov)

Hi internals!

As per the comments I created an RFC, proposing to allow arbitrary
expressions to be passed to empty() and isset():

https://wiki.php.net/rfc/empty_isset_exprs

The patch is available as a PR:

https://github.com/php/php-src/pull/54

Nikita

PS: I added isset() too, to address the consistency concerns mentioned on IRC.