Array of objects as session variable symfony

Question

I'm trying set a varible session with an array of objects in a Symfony Controller. I had tried $session->set('expedients', serialize($expedients)); and $session->set('expedients', $expedients); too; but the next step, when I go to get the variable into a new variable in another controller, what I must do to get the original array of objects? My result by the moment is: `

object(Doctrine\ORM\PersistentCollection)#923 (9) { 
    ["snapshot":"Doctrine\ORM\PersistentCollection":private]=> array(0) { } 
    ["owner":"Doctrine\ORM\PersistentCollection":private]=> NULL 
    ["association":"Doctrine\ORM\PersistentCollection":private]=> NULL 
    ["em":"Doctrine\ORM\PersistentCollection":private]=> NULL 
    ["backRefFieldName":"Doctrine\ORM\PersistentCollection":private]=> NULL 
    ["typeClass":"Doctrine\ORM\PersistentCollection":private]=> NULL 
    ["isDirty":"Doctrine\ORM\PersistentCollection":private]=> bool(false) 
    ["collection":protected]=> object(Doctrine\Common\Collections\ArrayCollection)#925 (1) { 
    ["elements":"Doctrine\Common\Collections\ArrayCollection":private]=> array(0) { } }
    ["initialized":protected]=> bool(false)
}

IMHO is not a good idea to store in session an PersistentCollection object. Try with a simple ArrayCollection by calling $session->set('expedients', $expedients->toArray()); — Matteo
– Matteo, Commented Dec 3, 2015 at 11:25
Better save some simple data (as an integer), and then (in the another controller) recovery by that integer value with a new database query, for example? — Drako
– Drako, Commented Dec 3, 2015 at 11:28
Yes @Drako more better, when you persist a doctrine object usually you lose the related object also — Matteo
– Matteo, Commented Dec 3, 2015 at 11:29
->toArray() work but not quite; take your option ;-) Thanks. — Drako
– Drako, Commented Dec 3, 2015 at 11:33
Hi @Drako you are welcome, consider to post your solution as answer to your question — Matteo
– Matteo, Commented Dec 3, 2015 at 11:34

Drako · Accepted Answer · 2015-12-03 12:15:08Z

1

As @Matteo said, ->toArray(); can work (more or less) but better is save some simple data (as an integer), and then (in the another controller) recovery by that integer value with a new database query. Thanks again.

answered Dec 3, 2015 at 12:15

Drako

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