Is it possible to emit warning when I read value of unset variable?

Posted by sergdev on Stack Overflow See other posts from Stack Overflow or by sergdev
Published on 2010-05-10T09:03:44Z Indexed on 2010/05/10 9:14 UTC
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debugging

How to configure PHP to emit warning when I try to read value of unset variable?

It is frequently happens when I rename variable in one place, I obtain weird result because I forgot to rename it in other place.

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