note 66469 deleted from function.ctype-digit by nlopess
| From: | nlopess@php.net | Date: | Tue, 23 May 2006 17:08:59 +0000 |
| Subject: | note 66469 deleted from function.ctype-digit by nlopess | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-111892@lists.php.net to get a copy of this message | ||
Note Submitter: TeaRex
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Note that cytype_digit("") returns TRUE. This becomes clear if you read the definition
closely -- anything is true about "all characters" in the empty string, since there is no
character about which it could be false. But it isn't all that obvious.