note 99533 added to function.decbin
| From: | J dot M dot vanLeeuwen at osu1 dot php dot net | Date: | Mon, 23 Aug 2010 08:11:50 +0000 |
| Subject: | note 99533 added to function.decbin | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-171932@lists.php.net to get a copy of this message | ||
I was surprised by decbin's size limitation. Here is a function without size limitation. It
supports much bigger values (like 11.435.168.214), but doesn't support signs because I
didn't need signs (yet).
<?php
function dec2bin($dec){
// Better function for dec to bin. Support much bigger values, but doesnât support signs
for($b='',$r=$dec;$r>1;){
$n = floor($r/2); $b = ($r-$n*2).$b; $r = $n; // $r%2 is inaccurate when using bigger values (like
11.435.168.214)!
}
return ($r%2).$b;
}
?>
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Server IP: 83.137.20.135
Probable Submitter: 145.99.174.241
----
Manual Page -- http://www.php.net/manual/en/function.decbin.php
Edit -- https://master.php.net/note/edit/99533
Del: integrated -- https://master.php.net/note/delete/99533/integrated
Del: useless -- https://master.php.net/note/delete/99533/useless
Del: bad code -- https://master.php.net/note/delete/99533/bad+code
Del: spam -- https://master.php.net/note/delete/99533/spam
Del: non-english -- https://master.php.net/note/delete/99533/non-english
Del: in docs -- https://master.php.net/note/delete/99533/in+docs
Del: other reasons-- https://master.php.net/note/delete/99533
Reject -- https://master.php.net/note/reject/99533
Search -- https://master.php.net/manage/user-notes.php