note 89032 added to function.ctype-digit
| From: | jorge+php at rhst dot net | Date: | Wed, 18 Feb 2009 20:24:06 +0000 |
| Subject: | note 89032 added to function.ctype-digit | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-150821@lists.php.net to get a copy of this message | ||
This function seems to include a hidden "feature", if an integer is sent, and is less
that 256, it is treated as an ASCII value. This will confuse the hell out of you.
Try this:
<?
for ($a = 0; $a < 255; $a++)
if (ctype_digit($a))
echo $a . ' ' . chr($a) . "\n";
?>
----
Server IP: 217.160.72.57
Probable Submitter: 66.195.65.250
----
Manual Page -- http://www.php.net/manual/en/function.ctype-digit.php
Edit -- https://master.php.net/note/edit/89032
Del: integrated -- https://master.php.net/note/delete/89032/integrated
Del: useless -- https://master.php.net/note/delete/89032/useless
Del: bad code -- https://master.php.net/note/delete/89032/bad+code
Del: spam -- https://master.php.net/note/delete/89032/spam
Del: non-english -- https://master.php.net/note/delete/89032/non-english
Del: in docs -- https://master.php.net/note/delete/89032/in+docs
Del: other reasons-- https://master.php.net/note/delete/89032
Reject -- https://master.php.net/note/reject/89032
Search -- https://master.php.net/manage/user-notes.php