org\bovigo\vfs\vfsStreamWrapper::createFile PHP Метод

    private function createFile($path, $mode = null, $options = null)
    {
        $names = $this->splitPath($path);
        if (empty($names['dirname']) === true) {
            if (($options & STREAM_REPORT_ERRORS) === STREAM_REPORT_ERRORS) {
                trigger_error('File ' . $names['basename'] . ' does not exist', E_USER_WARNING);
            }
            return false;
        }
        $dir = $this->getContentOfType($names['dirname'], vfsStreamContent::TYPE_DIR);
        if (null === $dir) {
            if (($options & STREAM_REPORT_ERRORS) === STREAM_REPORT_ERRORS) {
                trigger_error('Directory ' . $names['dirname'] . ' does not exist', E_USER_WARNING);
            }
            return false;
        } elseif ($dir->hasChild($names['basename']) === true) {
            if (($options & STREAM_REPORT_ERRORS) === STREAM_REPORT_ERRORS) {
                trigger_error('Directory ' . $names['dirname'] . ' already contains a director named ' . $names['basename'], E_USER_WARNING);
            }
            return false;
        }
        if (self::READ === $mode) {
            if (($options & STREAM_REPORT_ERRORS) === STREAM_REPORT_ERRORS) {
                trigger_error('Can not open non-existing file ' . $path . ' for reading', E_USER_WARNING);
            }
            return false;
        }
        if ($dir->isWritable(vfsStream::getCurrentUser(), vfsStream::getCurrentGroup()) === false) {
            if (($options & STREAM_REPORT_ERRORS) === STREAM_REPORT_ERRORS) {
                trigger_error('Can not create new file in non-writable path ' . $names['dirname'], E_USER_WARNING);
            }
            return false;
        }
        return vfsStream::newFile($names['basename'])->at($dir);
    }