Pimcore\Model\Object\ClassDefinition\Data\Fieldcollections::getDataFromEditmode PHP Method

    public function getDataFromEditmode($data, $object = null, $params = [])
    {
        $values = [];
        $count = 0;
        if (is_array($data)) {
            foreach ($data as $collectionRaw) {
                $collectionData = [];
                $collectionKey = $collectionRaw["type"];
                $oIndex = $collectionRaw["oIndex"];
                $collectionDef = Object\Fieldcollection\Definition::getByKey($collectionKey);
                $fieldname = $this->getName();
                foreach ($collectionDef->getFieldDefinitions() as $fd) {
                    if (array_key_exists($fd->getName(), $collectionRaw["data"])) {
                        $collectionData[$fd->getName()] = $fd->getDataFromEditmode($collectionRaw["data"][$fd->getName()], $object, ["context" => ["containerType" => "fieldcollection", "containerKey" => $collectionKey, "fieldname" => $fieldname, "index" => $count, "oIndex" => $oIndex]]);
                    }
                }
                $collectionClass = "\\Pimcore\\Model\\Object\\Fieldcollection\\Data\\" . ucfirst($collectionRaw["type"]);
                $collection = new $collectionClass();
                $collection->setValues($collectionData);
                $collection->setIndex($count);
                $collection->setFieldname($this->getName());
                $values[] = $collection;
                $count++;
            }
        }
        $container = new Object\Fieldcollection($values, $this->getName());
        return $container;
    }