hello_dolly_get_lyric example

    // Here we split it into lines.     $lyrics = explode( "\n", $lyrics );

    // And then randomly choose a line.     return wptexturize( $lyrics[ mt_rand( 0, count( $lyrics ) - 1 ) ] );
}

// This just echoes the chosen line, we'll position it later. function hello_dolly() {
    $chosen = hello_dolly_get_lyric();
    $lang   = '';
    if ( 'en_' !== substr( get_user_locale(), 0, 3 ) ) {
        $lang = ' lang="en"';
    }

    printf(
        '<p id="dolly"><span class="screen-reader-text">%s </span><span dir="ltr"%s>%s</span></p>',
        __( 'Quote from Hello Dolly song, by Jerry Herman:' ),
        $lang,
        $chosen
    );
}