Nextras\Orm\Collection\Helpers\ArrayCollectionHelper::createFilterEvaluator PHP Метод

    protected function createFilterEvaluator($chainSource, Closure $predicate, EntityMetadata $sourceEntityMetaSource, $targetValue)
    {
        $evaluator = function ($element, $chain = null, EntityMetadata $sourceEntityMeta = null) use(&$evaluator, $predicate, $chainSource, $sourceEntityMetaSource, $targetValue) {
            if (!$chain) {
                $sourceEntityMeta = $sourceEntityMetaSource;
                $chain = $chainSource;
            }
            $column = array_shift($chain);
            $propertyMeta = $sourceEntityMeta->getProperty($column);
            // check if property exists
            $value = $element->hasValue($column) ? $element->getValue($column) : null;
            if (!$chain) {
                if ($column === 'id' && count($sourceEntityMeta->getPrimaryKey()) > 1 && !isset($targetValue[0][0])) {
                    $targetValue = [$targetValue];
                }
                return $predicate($this->normalizeValue($value, $propertyMeta), $this->normalizeValue($targetValue, $propertyMeta));
            }
            $targetEntityMeta = $this->metadataStorage->get($propertyMeta->relationship->entity);
            if ($value === null) {
                return false;
            } elseif ($value instanceof IRelationshipCollection) {
                foreach ($value as $node) {
                    if ($evaluator($node, $chain, $targetEntityMeta)) {
                        return true;
                    }
                }
                return false;
            } else {
                return $evaluator($value, $chain, $targetEntityMeta);
            }
        };
        return $evaluator;
    }