From: lukas dot starecek at centrum dot cz
Operating system: Linux
PHP version: 5.0.3
PHP Bug Type: Feature/Change Request
Bug description: behavior of constants in class and interface extending
Description:
------------
If interface define any constants, then it's not possible (due to error)
implement this interface in any class and extend any other class with this
interface.
Reproduce code:
---------------
interface iA {
const cA = 'const of iA';
}
class A implements iA {
}
class B extends A implements iA {
}
$b = new B();
echo iA::cA;
echo A::cA;
echo B::cA;
----- Another example -----
interface iA {
const cA = 'const of iA';
}
class A implements iA {
}
interface iB extends iA {
}
class B extends A implements iB {
}
$b = new B();
echo iA::cA;
echo A::cA;
echo iB::cA;
echo B::cA;
Expected result:
----------------
const of iA
const of iA
const of iA
----- Another example -----
const of iA
const of iA
const of iA
const of iA
Actual result:
--------------
Fatal error: Cannot inherit previously-inherited constant cA from
interface iA
----- Another example -----
Fatal error: Cannot inherit previously-inherited constant cA from
interface iB
--
Edit bug report at http://bugs.php.net/?id=33732&edit=1
--
Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=33732&r=trysnapshot4
Try a CVS snapshot (php5.0):
http://bugs.php.net/fix.php?id=33732&r=trysnapshot50
Try a CVS snapshot (php5.1):
http://bugs.php.net/fix.php?id=33732&r=trysnapshot51
Fixed in CVS: http://bugs.php.net/fix.php?id=33732&r=fixedcvs
Fixed in release: http://bugs.php.net/fix.php?id=33732&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=33732&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=33732&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=33732&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=33732&r=support
Expected behavior: http://bugs.php.net/fix.php?id=33732&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=33732&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=33732&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=33732&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=33732&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=33732&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=33732&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=33732&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=33732&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=33732&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=33732&r=mysqlcfg
