Neomerx\JsonApi\Encoder\Parameters\ParametersAnalyzer::getIncludeRelationships PHP Метод

    public function getIncludeRelationships($path, $type)
    {
        // check if it's in cache
        if (isset($this->includeRelationshipsCache[$type][$path]) === true) {
            return $this->includeRelationshipsCache[$type][$path];
        }
        $includePaths = $this->getIncludePathsByType($type);
        $pathBeginning = (string) $path;
        $pathLength = strlen($pathBeginning);
        $result = [];
        foreach ($includePaths as $curPath) {
            if ($pathLength === 0) {
                $relationshipName = $this->getRelationshipNameForTopResource($curPath);
            } elseif (strpos($curPath, $pathBeginning . DocumentInterface::PATH_SEPARATOR) === 0) {
                $relationshipName = $this->getRelationshipNameForResource($curPath, $pathLength);
            } else {
                $relationshipName = null;
            }
            // add $relationshipName to $result if not yet there
            if ($relationshipName !== null && isset($result[$relationshipName]) === false) {
                $result[$relationshipName] = $relationshipName;
            }
        }
        $this->includeRelationshipsCache[$type][$path] = $result;
        return $result;
    }