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Doc Bug #65465 passing ArrayAccess to PDO constructor
Submitted: 2013-08-17 13:16 UTC Modified: 2014-02-01 09:14 UTC
Votes:1
Avg. Score:5.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:1 (100.0%)
Same OS:1 (100.0%)
From: gongteng524702837 at gmail dot com Assigned:
Status: Not a bug Package: PDO related
PHP Version: 5.5.2 OS: linux 64bit
Private report: No CVE-ID: None
 [2013-08-17 13:16 UTC] gongteng524702837 at gmail dot com
Description:
------------
Passing object that implement ArrayAccess interface to PDO constructor(forth 
param), the constructor will return NULL, no Exception raised.
(I‘m not sure is the bug come from PDO or ArrayAccess.)

Test script:
---------------
$config = array(...);

$options = new SomeObjImplArrAcc(); // just an empty object
$pdo = new PDO($config['dsn'],$config['user'],$config['pass'],$options);
var_dump($pdo); // <- NULL

$options[PDO::ATTR_PERSISTENT] = true; // or have some elements
$pdo = new PDO($config['dsn'],$config['user'],$config['pass'],$options);
var_dump($pdo); // <- NULL

// but success if convert to "native" array
$pdo = new PDO($config['dsn'],$config['user'],$config['pass'],(array)$options);
var_dump($pdo); // <- {PDO}[0]

Expected result:
----------------
construct three same PDO object


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 [2014-02-01 09:14 UTC] krakjoe@php.net
-Status: Open +Status: Not a bug
 [2014-02-01 09:14 UTC] krakjoe@php.net
Arrays and objects are not interchangeable, if a function is prototyped to accept an array then you must pass it an array, not an object.

Not a bug.
 
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