\begin{titlepage}
    % ensure centering the title page by ignoring odd and even margin
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    \setlength{\evensidemargin}{-1in}
    \setlength{\textwidth}{\paperwidth}

    \vspace*{\fill}

    % typesetting the title line
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    \parbox{\textwidth}{\centering \bfseries \Huge
        \formattedTitle
    }

    \vfill

    \noindent
    \parbox{\textwidth}{\centering \bfseries
        \url{http://www.yiiframework.com/doc/guide}
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        \formattedAuthors
        \\ \vspace{1cm}
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    \vspace*{\fill}

    \noindent
    \parbox{\textwidth}{\centering
        This tutorial is released under the \href{http://www.yiiframework.com/doc/terms/}{Terms of Yii Documentation}.\\
        \vspace{0.5cm}
        Copyright 2014 Yii Software LLC. All Rights Reserved.
    }
\end{titlepage}