src/Storage/File/FileReader.php
public function read()
    {
        $this->open();

        // Better performance than fread() from the existing handle
        // but it doesn't respect flock
        $data = file_get_contents($this->filePath);

        if ($data === false) {
            throw new \RuntimeException("Could not read from file " . $this->filePath);
        }
        return $data;
    }
public function read()
    {
        $this->open();

        // Better performance than fread() from the existing handle
        // but it doesn't respect flock
        $data = file_get_contents($this->filePath);

        if ($data === false) {
            throw new \RuntimeException("Could not read from file " . $this->filePath);
        }
        return $data;
    }
Reads contents of the opened file

@return string Read data
@throws \RuntimeException On read error