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Bug #45765 ReflectionObject with default parameters of self::xxx cause an error.
Submitted: 2008-08-08 15:16 UTC Modified: 2008-08-11 00:50 UTC
From: RQuadling at GMail dot com Assigned: felipe
Status: Closed Package: Reflection related
PHP Version: 5.2CVS, 5.3CVS, 6CVS OS: Windows XP SP2
Private report: No CVE-ID:
 [2008-08-08 15:16 UTC] RQuadling at GMail dot com
Description:
------------
If you have a method with a parameter whose default is a local class constant, the ReflectionObject throws a Fatal Error.

Reproduce code:
---------------
<?php
class foo {
 const BAR = "foo's bar";

 function test ($s_Text = self::BAR) {
  echo $s_Text, PHP_EOL;
 }

}

$o_Foo = new foo();

ReflectionObject::export($o_Foo);

Expected result:
----------------
Object of class [ <user> class foo ] {
  @@ C:\tr.php 2-9

  - Constants [1] {
    Constant [ string BAR ] { foo's bar }
  }

  - Static properties [0] {
  }

  - Static methods [0] {
  }

  - Properties [0] {
  }

  - Dynamic properties [0] {
  }

  - Methods [1] {
    Method [ <user> public method test ] {
      @@ C:\tr.php 5 - 7

      - Parameters [1] {
        Parameter #0 [ <optional> $s_Text = self::BAR]
      }
    }
  }
}

Actual result:
--------------
Fatal error: Undefined class constant 'self::BAR' in C:\tr.php on line 13

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 [2008-08-08 15:18 UTC] RQuadling at GMail dot com
If I change the default to a string, the output is (and I just noticed that it is truncated) ...

Object of class [ <user> class foo ] {
  @@ C:\tr.php 2-9

  - Constants [1] {
    Constant [ string BAR ] { foo's bar }
  }

  - Static properties [0] {
  }

  - Static methods [0] {
  }

  - Properties [0] {
  }

  - Dynamic properties [0] {
  }

  - Methods [1] {
    Method [ <user> public method test ] {
      @@ C:\tr.php 5 - 7

      - Parameters [1] {
        Parameter #0 [ <optional> $s_Text = 'Replaced self::...' ]
      }
    }
  }
}
 [2008-08-08 19:54 UTC] felipe@php.net
Dmitry, I guess it is due the last changes with constants.
 [2008-08-10 23:51 UTC] felipe@php.net
It's also reproducible on 5_2, then not related with last changes.
 [2008-08-11 00:50 UTC] felipe@php.net
This bug has been fixed in CVS.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
http://snaps.php.net/.
 
Thank you for the report, and for helping us make PHP better.

Fixed in 5.2, 5.3 and HEAD.
 
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Last updated: Fri Apr 18 02:02:27 2014 UTC