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<?php

function trk_fastregex( $pagedata = '' )
{
    $pattern = '/([\w\s.]*)({{(prj)\|([^|{}.]*)}})([\w\s.]*)/';
    $replace = '{{$1}}<a href="./?({{$3}})={{$4}}">{{$4}}</a>{{$5}}';
    $subject = $pagedata;
    $matches = array();

    for( ; preg_match_all( $pattern, $pagedata, $matches ) ; )
    {
        foreach( $matches as $key => $value )
        {
            $subject =

                str_replace(

                '{{' . '$' . strval( $key + 1 ) . '}}',

                $value,

                $subject

                );
        }

        $matches = array();
    }

    $pagedata = $subject;

    return $pagedata;
}

?>