src/Output/AssetWriter.php
protected function _writeTimestamp($data)
    {
        $data = serialize($data);
        file_put_contents($this->path . static::BUILD_TIME_FILE, $data);
        chmod($this->path . static::BUILD_TIME_FILE, 0644);
    }
protected function _writeTimestamp($data)
    {
        $data = serialize($data);
        file_put_contents($this->path . static::BUILD_TIME_FILE, $data);
        chmod($this->path . static::BUILD_TIME_FILE, 0644);
    }
protected function _writeTimestamp ( $ data ) { $ data = serialize ( $ data ) ; file_put_contents ( $ this -> path . static :: BUILD_TIME_FILE , $ data ) ; chmod ( $ this -> path . static :: BUILD_TIME_FILE , 0644 ) ; }
Write timestamps to either the fast cache, or the serialized file.

@param array $data An array of timestamps for build files.
@return void
Write timestamps to either the fast cache or the serialized file .