implement wpcs suggestions

jekyll-export-cli.php

@@ -1,21 +1,28 @@
 <?php
-/*
+/**
  * Run the exporter from the command line and spit the zipfile to STDOUT.
  *
- * Usage:
- *
- *     $ php jekyll-export-cli.php > my-jekyll-files.zip
- *
- * Must be run in the wordpress-to-jekyll-exporter/ directory.
- *
+ * @package    JekyllExporter
+ * @author     Ben Balter <ben.balter@github.com>
+ * @copyright  2013-2016 Ben Balter
+ * @license    GPLv3
+ * @link       https://github.com/benbalter/wordpress-to-jekyll-exporter/
  */
 
-include "../../../wp-load.php";
-include "../../../wp-admin/includes/file.php";
-require_once "jekyll-exporter.php"; //ensure plugin is "activated"
+include '../../../wp-load.php';
+include '../../../wp-admin/includes/file.php';
+require_once 'jekyll-exporter.php'; // Ensure plugin is "activated".
 
-if (php_sapi_name() != 'cli')
-   wp_die("Jekyll export must be run via the command line or administrative dashboard.");
+if ( php_sapi_name() != 'cli' ) {
+	wp_die( 'Jekyll export must be run via the command line or administrative dashboard.' );
+}
 
+/**
+* Usage:
+*
+*     $ php jekyll-export-cli.php > my-jekyll-files.zip
+*
+* Must be run in the wordpress-to-jekyll-exporter/ directory.
+*/
 $jekyll_export = new Jekyll_Export();
 $jekyll_export->export();