#37538 [NEW]: toString in sprintf/printf and %d modifier does't work as expected
| From: | mfischer@php.net | Date: | Sun, 21 May 2006 05:40:36 +0000 |
| Subject: | #37538 [NEW]: toString in sprintf/printf and %d modifier does't work as expected | ||
| Groups: | php.bugs | ||
| Request: | Send a blank email to php-bugs+get-97420@lists.php.net to get a copy of this message | ||
From: mfischer@php.net
Operating system: Linux
PHP version: 5CVS-2006-05-21 (CVS)
PHP Bug Type: Strings related
Bug description: toString in sprintf/printf and %d modifier does't work as expected
Description:
------------
The modifier %d doesn't work as one would expect sprintf/printf. When a
string is returned, it is always replaced %d with '1' instead of the
evaluated number of the __toString() output.
Consider this:
printf("%s %d", "4", "4");
will output "4 4", however if the parameters are replaced with an object
whith magic __toString() which returns "4", %d is not replaced with 4 but
with 1. It always returned 1, no matter what __toString() returns.
Reproduce code:
---------------
class foo {
function __toString() {
return "4";
}
}
printf("%s %d\n", new foo, new foo);
printf("%s %d\n", "4", "4");
Expected result:
----------------
4 4
4 4
Actual result:
--------------
4 1
4 4
--
Edit bug report at http://bugs.php.net/?id=37538&edit=1
--
Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=37538&r=trysnapshot44
Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=37538&r=trysnapshot52
Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=37538&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=37538&r=fixedcvs
Fixed in release: http://bugs.php.net/fix.php?id=37538&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=37538&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=37538&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=37538&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=37538&r=support
Expected behavior: http://bugs.php.net/fix.php?id=37538&r=notwrong
Not enough info: http://bugs.php.net/fix.php?id=37538&r=notenoughinfo
Submitted twice: http://bugs.php.net/fix.php?id=37538&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=37538&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=37538&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=37538&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=37538&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=37538&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=37538&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=37538&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=37538&r=mysqlcfg