Worpress Backend Editor Comments on Post

<?php
        /*
        Plugin Name: Unpublished Post: Editor Comments
        Plugin URI: http://travis.pflanz.me/2012/unpublished-post-editor-comments-wordpress-plugin
        Description: Plugin for allowing Editors and Administrators to leave comments on an unpublished post. The comments will be published to the frontend when the post is published.
        Author: Travis Pflanz
        Version: 1.0
        Author URI: http://Travis.Pflanz.ME
        */

/* Add a new meta box to the admin menu. */
    add_action( 'admin_menu', 'editor_comment_create_meta_box' );

/* Saves the meta box data. */
    add_action( 'save_post', 'editor_comment_save_meta_data' );

function editor_comment_create_meta_box() {
    global $theme_name;

    add_meta_box( 'post-meta-boxes', __('Editor Comment on the Post'), 'post_meta_boxes', 'post', 'normal', 'high' );
}

function editor_comment_post_meta_boxes() {

    /* Array of the meta box options. */
    $meta_boxes = array(
        'editor_commets' => array( 'name' => 'Comments', 'title' => __('Comments', 'upec'), 'type' => 'textarea' ),

    );

    return apply_filters( 'editor_comment_post_meta_boxes', $meta_boxes );
}
function post_meta_boxes() {
    global $post;
    $meta_boxes = editor_comment_post_meta_boxes(); ?>

    <table class="form-table">
    <?php foreach ( $meta_boxes as $meta ) :

        $value = get_post_meta( $post->ID, $meta['name'], true );

        if ( $meta['type'] == 'text' )
            get_meta_text_input( $meta, $value );
        elseif ( $meta['type'] == 'textarea' )
            get_meta_textarea( $meta, $value );
        elseif ( $meta['type'] == 'select' )
            get_meta_select( $meta, $value );

    endforeach; ?>
    </table>
<?php
}

function get_meta_text_input( $args = array(), $value = false ) {

    extract( $args ); ?>

    <tr>
        <th style="width:10%;">
            <label for="<?php echo $name; ?>"><?php echo $title; ?></label>
        </th>
        <td>
            <input type="text" name="<?php echo $name; ?>" id="<?php echo $name; ?>" value="<?php echo wp_specialchars( $value, 1 ); ?>" size="30" tabindex="30" style="width: 97%;" />
            <input type="hidden" name="<?php echo $name; ?>_noncename" id="<?php echo $name; ?>_noncename" value="<?php echo wp_create_nonce( plugin_basename( __FILE__ ) ); ?>" />
        </td>
    </tr>
    <?php
}

function get_meta_select( $args = array(), $value = false ) {

    extract( $args ); ?>

    <tr>
        <th style="width:10%;">
            <label for="<?php echo $name; ?>"><?php echo $title; ?></label>
        </th>
        <td>
            <select name="<?php echo $name; ?>" id="<?php echo $name; ?>">
            <?php foreach ( $options as $option ) : ?>
                <option <?php if ( htmlentities( $value, ENT_QUOTES ) == $option ) echo ' selected="selected"'; ?>>
                    <?php echo $option; ?>
                </option>
            <?php endforeach; ?>
            </select>
            <input type="hidden" name="<?php echo $name; ?>_noncename" id="<?php echo $name; ?>_noncename" value="<?php echo wp_create_nonce( plugin_basename( __FILE__ ) ); ?>" />
        </td>
    </tr>
    <?php
}

function get_meta_textarea( $args = array(), $value = false ) {

    extract( $args ); ?>

    <tr>
        <th style="width:10%;">
            <label for="<?php echo $name; ?>"><?php echo $title; ?></label>
        </th>
        <td>
            <textarea name="<?php echo $name; ?>" id="<?php echo $name; ?>" cols="60" rows="4" tabindex="30" style="width: 97%;"><?php echo wp_specialchars( $value, 1 ); ?></textarea>
            <input type="hidden" name="<?php echo $name; ?>_noncename" id="<?php echo $name; ?>_noncename" value="<?php echo wp_create_nonce( plugin_basename( __FILE__ ) ); ?>" />
        </td>
    </tr>
    <?php
}

function editor_comment_save_meta_data( $post_id ) {
    global $post;

            $meta_boxes = array_merge( editor_comment_post_meta_boxes() );

    foreach ( $meta_boxes as $meta_box ) :

        if ( !wp_verify_nonce( $_POST[$meta_box['name'] . '_noncename'], plugin_basename( __FILE__ ) ) )
            return $post_id;

        elseif ( 'post' == $_POST['post_type'] && !current_user_can( 'edit_post', $post_id ) )
            return $post_id;

        $data = stripslashes( $_POST[$meta_box['name']] );

        if ( get_post_meta( $post_id, $meta_box['name'] ) == '' )
            add_post_meta( $post_id, $meta_box['name'], $data, true );

        elseif ( $data != get_post_meta( $post_id, $meta_box['name'], true ) )
            update_post_meta( $post_id, $meta_box['name'], $data );

        elseif ( $data == '' )
            delete_post_meta( $post_id, $meta_box['name'], get_post_meta( $post_id, $meta_box['name'], true ) );

    endforeach;
}
add_action('pending_to_future', 'insert_editor_comment');
add_action('pending_to_publish', 'insert_editor_comment');

function insert_editor_comment( $data){

global $current_user;
    get_currentuserinfo();

global $post;

$time = current_time('mysql');
$editor_comment = get_post_meta($post->ID, 'Comments', TRUE);

$data = array(
'comment_post_ID' => $post->ID,
'comment_author' => $current_user->display_name,
'comment_author_email' => $current_user->user_email,
'comment_author_url' => $current_user->user_url,
'comment_content' => $editor_comment,
'comment_type' => 'comment',
'comment_parent' => 0,
'user_id' => $current_user->ID ,
'comment_author_IP' => '127.0.0.1',
'comment_agent' => 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.10) Gecko/2009042316 Firefox/3.0.10 (.NET CLR 3.5.30729)',
'comment_date' => $time,
'comment_approved' => 1,
'comment_subscribe' => 'Y',
);

wp_insert_comment($data);
}
?>