Plum\Plum\Workflow::processItem PHP Method

    protected function processItem($item, Result $result)
    {
        $written = false;
        foreach ($this->pipeline as $element) {
            if ($element instanceof FilterPipe && $element->getField()) {
                if ($element->getFilter()->filter(Vale::get($item, $element->getField())) === false) {
                    return;
                }
            } elseif ($element instanceof FilterPipe) {
                if ($element->getFilter()->filter($item) === false) {
                    return;
                }
            } elseif ($element instanceof ConverterPipe && $element->getField()) {
                $item = $this->convertItemValue($item, $element);
            } elseif ($element instanceof ConverterPipe) {
                $item = $this->convertItem($item, $element);
                if ($item === null) {
                    return;
                }
            } elseif ($element instanceof WriterPipe) {
                if ($this->writeItem($item, $element) === true) {
                    $result->incWriteCount();
                    $written = true;
                }
            }
        }
        if ($written === true) {
            $result->incItemWriteCount();
        }
    }