note 76777 added to function.array-reduce
| From: | JanezR dot at osu1 dot php dot net | Date: | Mon, 30 Jul 2007 15:05:19 +0000 |
| Subject: | note 76777 added to function.array-reduce | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-129046@lists.php.net to get a copy of this message | ||
In PHP ver. 4.3.1 the initial value parameter allowed for string type also. In PHP ver. 5.1.6 this
param is now converted to int and callback function will receive number 0 when initial param his an
empty string.
<?php
function arc ($reduced, $item)
{
$reduced = $item.$reduced;
return $reduced;
}
arc( array(a,b,c), "arc", "" );
?>
Output in PHP 4.3.1: cba
Output in PHP 5.1.6: cba0
Possible solution:
<?php
function arc ($reduced, $item)
{
if ($reduced === 0) $reduced = "";
$reduced = $item.$reduced;
return $reduced;
}
?>
----
Server IP: 213.250.2.28
Probable Submitter: 86.61.77.143
----
Manual Page -- http://www.php.net/manual/en/function.array-reduce.php
Edit -- https://master.php.net/note/edit/76777
Del: integrated -- https://master.php.net/note/delete/76777/integrated
Del: useless -- https://master.php.net/note/delete/76777/useless
Del: bad code -- https://master.php.net/note/delete/76777/bad+code
Del: spam -- https://master.php.net/note/delete/76777/spam
Del: non-english -- https://master.php.net/note/delete/76777/non-english
Del: in docs -- https://master.php.net/note/delete/76777/in+docs
Del: other reasons-- https://master.php.net/note/delete/76777
Reject -- https://master.php.net/note/reject/76777
Search -- https://master.php.net/manage/user-notes.php