src/CoreBundle/Controller/Backend/SupportMetaModelsController.php
private function getJsonFile($filename)
    {
        if (!is_readable($filename)) {
            return [];
        }

        $contents = json_decode(file_get_contents($filename), true);

        return $contents ?: [];
    }
private function getJsonFile($filename)
    {
        if (!is_readable($filename)) {
            return [];
        }

        $contents = json_decode(file_get_contents($filename), true);

        return $contents ?: [];
    }
Load the passed file and decode it.

@param string $filename The file name.

@return array