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Bug #52160 Invalid E_STRICT redefined constructor error
Submitted: 2010-06-23 15:21 UTC Modified: 2010-06-26 21:19 UTC
From: manannon at seatiger dot org Assigned: felipe (profile)
Status: Closed Package: Scripting Engine problem
PHP Version: 5.2.14RC1 OS: Linux
Private report: No CVE-ID: None
View Developer Edit
 [2010-06-23 15:21 UTC] manannon at seatiger dot org 
Description:
------------
The following class generates the E_STRICT warning: Strict standards: Redefining already defined constructor for class Log. 

However according to http://php.net/manual/en/language.oop5.decon.php, PHP5 will only assume log() is a constructor if it cannot find a __construct() method:

"For backwards compatibility, if PHP 5 cannot find a __construct() function for a given class, it will search for the old-style constructor function, by the name of the class."

Since it has already found a __construct() method, it should not assume that log() is also a constructor. 

Test script:
---------------
<?php
class Log
{
	public function __construct() { } 
	public static function log() { }
}

Expected result:
----------------
Nothing

Actual result:
--------------
Strict standards: Redefining already defined constructor for class Log in ....

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 [2010-06-25 01:32 UTC] felipe@php.net
-Status: Open +Status: Analyzed
 [2010-06-25 01:32 UTC] felipe@php.net 
"Since it has already found a __construct() method, it should not assume that log() is also a constructor."

Yes, It should not, and actually does not do this. But the E_STRICT is emitted for both cases, though.

I.e.:
class foo {
  function foo() { }
  function __construct() { } // E_STRICT + redefinition
}

class bar {
  function __construct() { }
  function bar() { } // E_STRICT only
}

However, we should change the message for the late.
 [2010-06-25 01:42 UTC] manannon at seatiger dot org 
Wouldn't it be better/correct not to emit the E_STRICT at all (for the latter case) rather than just changing the message? The code is 100% correct and according to spec, especially since log() is static. 

This bug makes it impossible to create an E_STRICT clean Log::log() type method (Log->log() is also unavailable if there is a constructor defined).
 [2010-06-26 21:19 UTC] felipe@php.net
-Status: Analyzed +Status: Closed -Assigned To: +Assigned To: felipe
 [2010-06-26 21:19 UTC] felipe@php.net 
This bug has been fixed in SVN.

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.
 [2010-06-26 21:19 UTC] felipe@php.net 
Automatic comment from SVN on behalf of felipe
Revision: http://svn.php.net/viewvc/?view=revision&amp;revision=300768
Log: - Fixed bug #52160 (Invalid E_STRICT redefined constructor error)
 
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