cpt-reviews.php

<?php
/**
 * Reviews Custom Post Type
 *
 * @since MB 1.0
 */
function mb_cpp_reviews_init() {
	$field_args = array(
		'labels' => array(
			'name' => __( 'Reviews' ),
			'singular_name' => __( 'Reviews' ),
			'add_new' => __( 'Add New Review' ),
			'add_new_item' => __( 'Add New Review' ),
			'edit_item' => __( 'Edit Review' ),
			'new_item' => __( 'Add New Review' ),
			'view_item' => __( 'View Review' ),
			'search_items' => __( 'Search Reviews' ),
			'not_found' => __( 'No reviews found' ),
			'not_found_in_trash' => __( 'No reviews found in trash' )
		),
		'public' => true,
		'show_ui' => true,
		'capability_type' => 'post',
		'hierarchical' => true,
		'rewrite' => true,
		'menu_position' => 20,
		'supports' => array('title', 'thumbnail', 'page-attributes')
	);
	register_post_type('reviews',$field_args);
}
add_action( 'init', 'mb_cpp_reviews_init' );

/**
 * Tweaks to Featured Image on Reviews
 *
 * Moves Featured Image field from sidebar to main on reviews and renames it.
 *
 * @since MB 1.0
 */
function mb_cpp_reviews_move_image_box() {
	remove_meta_box( 'postimagediv', 'reviews', 'side' );
	add_meta_box('postimagediv', __('Review Image'), 'post_thumbnail_meta_box', 'reviews', 'normal', 'high');
}
add_action('do_meta_boxes', 'mb_cpp_reviews_move_image_box');

/**
 * Reviews Custom Fields
 *
 * @since MB 1.0
 */
function mb_cpp_reviews_metaboxes() {
	add_meta_box('mb_cpp_reviews_meta', 'Review Information', 'mb_cpp_reviews_meta', 'reviews', 'normal', 'default');
}
add_action( 'add_meta_boxes', 'mb_cpp_reviews_metaboxes' );

function mb_cpp_reviews_meta() {
	global $post;

	// Noncename needed to verify where the data originated
 	echo '<input type="hidden" name="reviews_meta_noncename" id="reviews_meta_noncename" value="' . wp_create_nonce( plugin_basename(__FILE__) ) . '" />';

	// Get the data if there is any.
	$reviewtext = get_post_meta($post->ID, '_reviewtext', true);

	// Echo out the field
	echo '<h2 style="margin-bottom: 0;">Review</h2>';
	echo '<textarea name="_reviewtext" class="widefat" style="height: 100px;">' . $reviewtext  . '</textarea>';

	// Get the data if there is any.
	$sourcename = get_post_meta($post->ID, '_sourcename', true);

	// Echo out the field
	echo '<h2 style="margin-bottom: 0;">Source Name</h2>';
	echo '<input type="text" name="_sourcename" class="widefat" value="' . $sourcename  . '" />';

	// Get the data if there is any.
	$sourceurl = get_post_meta($post->ID, '_sourceurl', true);

	// Echo out the field
	echo '<h2 style="margin-bottom: 0;">Source URL (including http://)</h2>';
	echo '<input type="text" name="_sourceurl" class="widefat" placeholder="http://" value="' . $sourceurl  . '" />';

  // Get the data if there is any.
  $featuredreview = get_post_meta($post->ID, '_featuredreview', true);
  if($featuredreview == 1)
    $featuredChecked = ' checked="checked"';
  else
    $featuredChecked = '';

  // Echo out the field
  echo '<h2 style="margin-bottom: 0;">Featured?</h2>';
  echo '<label><input type="checkbox" name="_featuredreview" value="1"'.$featuredChecked.'> Feature on homepage</label>';
}

function mb_cpp_reviews_save_meta($post_id, $post) {

	// verify this came from the our screen and with proper authorization,
	// because save_post can be triggered at other times
	if ( !wp_verify_nonce( $_POST['reviews_meta_noncename'], plugin_basename(__FILE__) )) {
	return $post->ID;
	}

	// Is the user allowed to edit the post or page?
	if ( !current_user_can( 'edit_post', $post->ID ))
		return $post->ID;

	// OK, we're authenticated: we need to find and save the data
	// We'll put it into an array to make it easier to loop though.
	$meta['_reviewtext'] = $_POST['_reviewtext'];
	$meta['_sourcename'] = $_POST['_sourcename'];
	$meta['_sourceurl'] = $_POST['_sourceurl'];
  $meta['_featuredreview'] = $_POST['_featuredreview'];

	// Add values of $meta as custom fields
	foreach ($meta as $key => $value) { // Cycle through the $meta array!
		if( $post->post_type == 'revision' ) return; // Don't store custom data twice
		$value = implode(',', (array)$value); // If $value is an array, make it a CSV (unlikely)
		if(get_post_meta($post->ID, $key, FALSE)) { // If the custom field already has a value
			update_post_meta($post->ID, $key, $value);
		} else { // If the custom field doesn't have a value
			add_post_meta($post->ID, $key, $value);
		}
		if(!$value) delete_post_meta($post->ID, $key); // Delete if blank
	}
}
add_action('save_post', 'mb_cpp_reviews_save_meta', 1, 2); // save the custom fields