From: tjerk dot meesters at muvee dot com
Operating system: Linux 2.6
PHP version: 5.2.1
PHP Bug Type: *General Issues
Bug description: increment operator works different than plus operator
Description:
------------
Applying the increment operator (++) on a variable (containing a number)
ending with a newline character doesn't change the variable.
However, applying += 1 to the same variable does result in the right
behaviour.
Reproduce code:
---------------
function showsucc($x)
{
// using increment operator
$tmp = $x; $tmp++;
echo "successor of $x = ",$tmp,"\n";
// using plus operator
$tmp = $x; $tmp += 1;
echo "result of $x + 1 = ",$tmp,"\n";
}
showsucc("123\n");
showsucc("123");
Expected result:
----------------
successor of 123
= 124
result of 123
+ 1 = 124
successor of 123 = 124
result of 123 +1 = 124
Actual result:
--------------
successor of 123
= 123 <---- difference is here
result of 123
+ 1 = 124
successor of 123 = 124
result of 123 + 1 = 124
--
Edit bug report at http://bugs.php.net/?id=40860&edit=1
--
Try a CVS snapshot (PHP 4.4):
http://bugs.php.net/fix.php?id=40860&r=trysnapshot44
Try a CVS snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=40860&r=trysnapshot52
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=40860&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=40860&r=fixedcvs
Fixed in release:
http://bugs.php.net/fix.php?id=40860&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=40860&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=40860&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=40860&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=40860&r=support
Expected behavior: http://bugs.php.net/fix.php?id=40860&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=40860&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=40860&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=40860&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=40860&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=40860&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=40860&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=40860&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=40860&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=40860&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=40860&r=mysqlcfg