Bug #69264 [NEW]: __debugInfo() ignored while extending SPL datastructures

From: Date: Thu, 19 Mar 2015 20:31:50 +0000
Subject: Bug #69264 [NEW]: __debugInfo() ignored while extending SPL datastructures
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-191471@lists.php.net to get a copy of this message
From:             grzegorz129 at gmail dot com
Operating system: All
PHP version:      5.6.6
Package:          SPL related
Bug Type:         Bug
Bug description:__debugInfo() ignored while extending SPL datastructures

Description:
------------
Magic method __debugInfo() should be always called while object is
printed using var_dump(). Unfortunately it behaves differently if any
class in chain extends SPL datastructure - it's simply ignored.

Test script:
---------------
<?php
class foo extends SplStack {
    public function __debugInfo() { return ['foo']; }
}

class bar extends foo {
    public function __debugInfo() { return ['bar']; }
}

class bar2 extends SplObjectStorage {
    public function __debugInfo() { return ['bar2']; }
}

var_dump((new bar), (new bar2));

Expected result:
----------------
object(bar)#1 (1) {
  [0]=>
  string(3) "bar"
}
object(bar2)#2 (1) {
  [0]=>
  string(4) "bar2"
}

Actual result:
--------------
object(bar)#1 (2) {
  ["flags":"SplDoublyLinkedList":private]=>
  int(6)
  ["dllist":"SplDoublyLinkedList":private]=>
  array(0) {
  }
}
object(bar2)#2 (1) {
  ["storage":"SplObjectStorage":private]=>
  array(0) {
  }
}

-- 
Edit bug report at https://bugs.php.net/bug.php?id=69264&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=69264&r=trysnapshot54
Try a snapshot (PHP 5.5):   https://bugs.php.net/fix.php?id=69264&r=trysnapshot55
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=69264&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=69264&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=69264&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=69264&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=69264&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=69264&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=69264&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=69264&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=69264&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=69264&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=69264&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=69264&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=69264&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=69264&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=69264&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=69264&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=69264&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=69264&r=mysqlcfg



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