CODEWITHSUNDEEP
symfony
Steven Seagull
Steven Seagull

Reputation: 210

Symfony 3 ArrayCollection key search

If I have a variable of a type ArrayCollection how do I check if a key of a specific name exists in the collection including nesting. And if it does how do I get and change that value?

Upvotes: 2

Views: 1607

Answers (2)

Martín Mori
Martín Mori

Reputation: 1031

The way that I found was to use the toArray() method in the ArrayCollection object and then use the array_search function:

$newArray = $arrayCollectionObject->toArray();
$keyThatIneed = array_search($value, $newArray);

Upvotes: 1

enricog
enricog

Reputation: 4273

I guess you are talking about Doctrines ArrayCollection \Doctrine\Common\Collections\ArrayCollection.

It does implement phps native ArrayAccess interface, so have a look at the docs. Just check like:

use Doctrine\Common\Collections\ArrayCollection;
$myCollection = new ArrayCollection(array('testKey' => 'testVal'));
var_dump(isset($myCollection['testKey']));

It does also implement its own method from the Collection interface.

/**
 * Checks whether the collection contains an element with the specified key/index.
 *
 * @param string|integer $key The key/index to check for.
 *
 * @return boolean TRUE if the collection contains an element with the specified key/index,
 *                 FALSE otherwise.
 */
public function containsKey($key);

For nested objects there is no build in method, you have to traverse the collection yourself like you would do with a normal array.

Upvotes: 4

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