symfony - Symfony2 Doctrine association result -


i new symfony/doctrine. created 2 entities managing comments , documents attached them: here comment entity, , here comment document entity. question when fetch data db this:

    $comment = $em->getrepository('pathtobundle:comment')->findoneby(         array('ordernumber' => '123456')     );

and, let's wan't debug 

    print_r($comment);

it print's out this:

    path\tobundle\entity\comment object     (         [id:path\tobundle\entity\comment:private] => 1         [ordernumber:path\tobundle\entity\comment:private] => 123456         [category:path\tobundle\entity\comment:private] => cat1         [comment:path\tobundle\entity\comment:private] => com1         [user:path\tobundle\entity\comment:private] => usr1         [version:path\tobundle\entity\comment:private] => 0         [documents:path\tobundle\entity\comment:private] => doctrine\orm\persistentcollection object             (                 [snapshot:doctrine\orm\persistentcollection:private] => array                     (                     )                  [owner:doctrine\orm\persistentcollection:private] => path\tobundle\entity\comment object      *recursion*                 [association:doctrine\orm\persistentcollection:private] => array                     (                         [fieldname] => documents                         [mappedby] => comment                         [targetentity] => path\tobundle\entity\commentdocument                         [cascade] => array                             (                             )                          [orphanremoval] =>                          [fetch] => 2                         [type] => 4                         [inversedby] =>                          [isowningside] =>                          [sourceentity] => path\tobundle\entity\comment                         [iscascaderemove] =>                          [iscascadepersist] =>                          [iscascaderefresh] =>                          [iscascademerge] =>                          [iscascadedetach] =>                      )

and it's beginning, goes on , on until browser crashes. if try access single property 

    print_r($input->getcomment());

it works ok.

so behavior normal, or done wrong? , how can access associated documents table values?

it's normal. note first print_r attempt on doctrine object , second 1 on string. doctrine objects many levels deep , contain lot of information. instead of using print_r try using doctrine's debug class, lets specify maximum depth.

http://www.doctrine-project.org/api/common/2.4/class-doctrine.common.util.debug.html

\doctrine\common\util\debug::dump($comment, $maxdepth)

if entities setup correctly, should able access associated documents by

$comments->getdocuments();

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