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Bug #50383 Exceptions thrown in __call / __callStatic do not include file and line in trace
Submitted: 2009-12-04 11:32 UTC Modified: 2010-03-07 03:17 UTC
From: RQuadling at GMail dot com Assigned: felipe (profile)
Status: Closed Package: Scripting Engine problem
PHP Version: 5.*, 6 OS: *
Private report: No CVE-ID: None
 [2009-12-04 11:32 UTC] RQuadling at GMail dot com
Description:
------------
An exception thrown in a __callStatic() method does not store the file name or the line number in the trace.

Reproduce code:
---------------
<?php
class myClass {
	public static function __callStatic($method, $args) {
		throw new Exception("Missing static method '$method'.");
	}
}

function thrower() {
	myClass::ThrowException();
}

try {
	thrower();
} catch(Exception $e) {
	print_r($e->getTrace());
}

Expected result:
----------------
Array
(
    [0] => Array
        (
            [file] => Z:\missingstatictrace.php
            [line] => 4
            [function] => __callStatic
            [class] => myClass
            [type] => ::
            [args] => Array
                (
                    [0] => ThrowException
                    [1] => Array
                        (
                        )

                )

        )

    [1] => Array
        (
            [file] => Z:\missingstatictrace.php
            [line] => 9
            [function] => ThrowException
            [class] => myClass
            [type] => ::
            [args] => Array
                (
                )

        )

    [2] => Array
        (
            [file] => Z:\missingstatictrace.php
            [line] => 13
            [function] => thrower
            [args] => Array
                (
                )

        )

)

Actual result:
--------------
Array
(
    [0] => Array
        (
            [function] => __callStatic
            [class] => myClass
            [type] => ::
            [args] => Array
                (
                    [0] => ThrowException
                    [1] => Array
                        (
                        )

                )

        )

    [1] => Array
        (
            [file] => Z:\missingstatictrace.php
            [line] => 9
            [function] => ThrowException
            [class] => myClass
            [type] => ::
            [args] => Array
                (
                )

        )

    [2] => Array
        (
            [file] => Z:\missingstatictrace.php
            [line] => 13
            [function] => thrower
            [args] => Array
                (
                )

        )

)

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AllCommentsChangesGit/SVN commitsRelated reports
 [2009-12-04 12:15 UTC] rquadling@php.net
It seems that __call exhibits the same issue.

Further, for sub-classes which allow cascading of __call/__callStatic, 
the stack doesn't show the file/line for those.




<?php
// myClass.php
class myClass {
	public static function __callStatic($method, $args) {
		throw new Exception("Missing static method 
'$method'.");
	}
}
?>

<?php
// mySubClass.php
require_once 'myClass.php';

class mySubClass extends myClass {
	public static function __callStatic($method, $args) {
		parent::__callStatic($method, $args);
	}
}
?>

<?php
// missingTrace.php
require 'mySubClass.php';

function staticThrower() {
	mySubClass::StaticThrowException();
}

try {
	staticThrower();
} catch(Exception $e) {
	print_r($e);
}
?>

Outputs ...

Exception Object
(
    [message:protected] => Missing static method 
'StaticThrowException'.
    [string:Exception:private] =>
    [code:protected] => 0
    [file:protected] => Z:\myClass.php
    [line:protected] => 4
    [trace:Exception:private] => Array
        (
            [0] => Array
                (
                    [file] => Z:\mySubClass.php
                    [line] => 6
                    [function] => __callStatic
                    [class] => myClass
                    [type] => ::
                    [args] => Array
                        (
                            [0] => StaticThrowException
                            [1] => Array
                                (
                                )

                        )

                )

            [1] => Array
                (
                    [function] => __callStatic
                    [class] => mySubClass
                    [type] => ::
                    [args] => Array
                        (
                            [0] => StaticThrowException
                            [1] => Array
                                (
                                )

                        )

                )

            [2] => Array
                (
                    [file] => Z:\missingstatictrace3.php
                    [line] => 5
                    [function] => StaticThrowException
                    [class] => mySubClass
                    [type] => ::
                    [args] => Array
                        (
                        )

                )

            [3] => Array
                (
                    [file] => Z:\missingstatictrace3.php
                    [line] => 9
                    [function] => staticThrower
                    [args] => Array
                        (
                        )

                )

        )

    [previous:Exception:private] =>
)

 [2009-12-04 12:47 UTC] jani@php.net
Simple test that works in all branches:

<?php
class myClass {
  function __call($method, $args) {
    throw new Exception("Missing static method '$method'.");
  }
}

function thrower() {
  $foo = new myClass;
  $foo->ThrowException();
}

try {
  thrower();
} catch(Exception $e) {
  var_dump($e->getTrace());
}
?>
 [2010-03-07 03:17 UTC] felipe@php.net
Automatic comment from SVN on behalf of felipe
Revision: http://svn.php.net/viewvc/?view=revision&amp;revision=295913
Log: - Fixed bug #50383 (Exceptions thrown in __call / __callStatic do not include file and line in trace)
 [2010-03-07 03:17 UTC] felipe@php.net
-Status: Verified +Status: Closed
 [2010-03-07 03:17 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.


 [2010-03-08 11:06 UTC] rquadling@php.net
Any chance of the win32 snapshots being turned on again?
 
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