How should one check if a zval is "undefined" ?
| From: | Aaron Lewis | Date: | Wed, 07 May 2014 02:45:27 +0000 |
| Subject: | How should one check if a zval is "undefined" ? | ||
| Groups: | php.internals | ||
| Request: | Send a blank email to internals+get-73990@lists.php.net to get a copy of this message | ||
Hi,
I'm trying to check if a zval is undefined,
But Z_STRLEN_P(return_value) == 0 seems incorrect, 'case the strlen
part sometimes returns a negative value
So, what's the right way to do it? Even regardless of the zval type
--
Best Regards,
Aaron Lewis - PGP: 0x13714D33 - http://pgp.mit.edu/
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