From:             toomuchphp-phpbugs at yahoo dot com
Operating system: Any
PHP version:      5.1.0RC1
PHP Bug Type:     Feature/Change Request
Bug description:  More information about class methods

Description:
------------
Inside any class method, there are as many as 3 related class and it would
be useful to have all of them as magic constants, and also in the
debug_backtrace function.

Currently only __CLASS__ is available (the name of the direct owner of the
method).  It would be good to know the name of the child class (if the
method was called as part of a child class), and the name of the calling
class if the method was called statically (the same as get_class($this)
inside a static method).

This information would be most useful in the debug_backtrace() array. 
debug_backtrace() was recently modified to report the direct owner class
name rather than the inheriting class' name (see bug #30828) but it would
really be more helpful in debugging to have all three possible class names
available.

Reproduce code:
---------------
class A {
  function A() {
    echo 'direct owner: '.__CLASS__."\n";
    echo 'called as part of: '.__INHERITED_BY__."\n";
    echo 'called by instance of: '.__STATIC_CALLER__."\n";
  }
}

class B extends A { }

class C {
  function __construct() {
    B::A();
  }
}
new C();


Expected result:
----------------
direct owner: A
called as part of: B
called by instance of: C


-- 
Edit bug report at http://bugs.php.net/?id=34804&edit=1
-- 
Try a CVS snapshot (php4):   http://bugs.php.net/fix.php?id=34804&r=trysnapshot4
Try a CVS snapshot (php5.0): 
http://bugs.php.net/fix.php?id=34804&r=trysnapshot50
Try a CVS snapshot (php5.1): 
http://bugs.php.net/fix.php?id=34804&r=trysnapshot51
Fixed in CVS:                http://bugs.php.net/fix.php?id=34804&r=fixedcvs
Fixed in release:            http://bugs.php.net/fix.php?id=34804&r=alreadyfixed
Need backtrace:              http://bugs.php.net/fix.php?id=34804&r=needtrace
Need Reproduce Script:       http://bugs.php.net/fix.php?id=34804&r=needscript
Try newer version:           http://bugs.php.net/fix.php?id=34804&r=oldversion
Not developer issue:         http://bugs.php.net/fix.php?id=34804&r=support
Expected behavior:           http://bugs.php.net/fix.php?id=34804&r=notwrong
Not enough info:             
http://bugs.php.net/fix.php?id=34804&r=notenoughinfo
Submitted twice:             
http://bugs.php.net/fix.php?id=34804&r=submittedtwice
register_globals:            http://bugs.php.net/fix.php?id=34804&r=globals
PHP 3 support discontinued:  http://bugs.php.net/fix.php?id=34804&r=php3
Daylight Savings:            http://bugs.php.net/fix.php?id=34804&r=dst
IIS Stability:               http://bugs.php.net/fix.php?id=34804&r=isapi
Install GNU Sed:             http://bugs.php.net/fix.php?id=34804&r=gnused
Floating point limitations:  http://bugs.php.net/fix.php?id=34804&r=float
No Zend Extensions:          http://bugs.php.net/fix.php?id=34804&r=nozend
MySQL Configuration Error:   http://bugs.php.net/fix.php?id=34804&r=mysqlcfg

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