function getMetas($link) {
    $str1 = file_get_contents($link);

    if (strlen($str1)>0) {

        preg_match( '/<meta.*?name=("|')description("|').*?content=("|')(.*?)("|')/i', $str1, $description);

        if (count($description) > 1) {
            return $description[4];
        }

    }

}


function Titles($link) {
    $str = file_get_contents($link);
    if( strlen( $str )>0 ) {

        preg_match( "/<title>(.*)</title>/", $str, $titles );

        if (count($titles) > 1) {
            return $titles[1];
        }
    }

    return '';
}


  It doesn't return anything because no array or anything is specfified.