src/Memory.php
public function saveData(string $section, $data)
    {
        $this->files->write(
            $this->getFilename($section),
            '<?php return ' . var_export($data, true) . ';',
            FilesInterface::RUNTIME,
            true
        );
    }
public function saveData(string $section, $data)
    {
        $this->files->write(
            $this->getFilename($section),
            '<?php return ' . var_export($data, true) . ';',
            FilesInterface::RUNTIME,
            true
        );
    }
{@inheritdoc}