meta-box-script-wp

// prefix of meta keys, optional
// use underscore (_) at the beginning to make keys hidden, for example $prefix = '_rw_';
// you also can make prefix empty to disable it
$prefix = 'faf_';

$meta_boxes = array();

// first meta box
$meta_boxes[] = array(
    'id' => 'faf',
    'title' => 'Custom Food & Fitness Content',
    'pages' => array('page'), // multiple post types, accept custom post types
    'context' => 'normal', // normal, advanced, side (optional)
    'priority' => 'high', // high, low (optional)
    'fields' => array(
            array(
            'name' => 'Author Byline',
            'desc' => 'Enter author name',
            'id' => $prefix . 'byline',
            'type' => 'text' // text box
        ),
        array(
            'name' => 'Author Bio',
            'desc' => 'Enter author bio here',
            'id' => $prefix . 'authorBio',
            'type' => 'textarea' // text area
        )
    )
);

foreach ($meta_boxes as $meta_box) {
    $my_box = new RW_Meta_Box($meta_box);
}