note 108897 added to function.hexdec
| From: | JeremiahShaulov | Date: | Sat, 02 Jun 2012 18:54:31 +0000 |
| Subject: | note 108897 added to function.hexdec | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-188372@lists.php.net to get a copy of this message | ||
hexdec() returns unsigned integers. For example hexdec("FFFFFFFE") returns 4294967294, not
-2. To convert to signed 32-bit integer you may do:
<?php
echo reset(unpack("l", pack("l", hexdec("FFFFFFFE"))));
?>
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Server IP: 212.199.163.163
Probable Submitter: 85.65.47.60
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Manual Page -- http://www.php.net/manual/en/function.hexdec.php
Edit -- https://master.php.net/note/edit/108897
Del: integrated -- https://master.php.net/note/delete/108897/integrated
Del: useless -- https://master.php.net/note/delete/108897/useless
Del: bad code -- https://master.php.net/note/delete/108897/bad+code
Del: spam -- https://master.php.net/note/delete/108897/spam
Del: non-english -- https://master.php.net/note/delete/108897/non-english
Del: in docs -- https://master.php.net/note/delete/108897/in+docs
Del: other reasons-- https://master.php.net/note/delete/108897
Reject -- https://master.php.net/note/reject/108897
Search -- https://master.php.net/manage/user-notes.php