note 23660 deleted from function.ctype-alnum by didou
| From: | didou@php.net | Date: | Sun, 26 Oct 2003 17:21:23 +0000 |
| Subject: | note 23660 deleted from function.ctype-alnum by didou | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-59335@lists.php.net to get a copy of this message | ||
Note Submitter: lars@kilipir.ro
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Actually, ctype_alnum ($text) is not equivalent to (ctype_alpha($text) || ctype_digit($text)).
For $text="ab12", ctype_alnum returns true, while the second construction returns false
(it returns true only when *all* the characters are either letters or digits).