Tạp Chí CNTT

/* Meta Post ----------------*/

$post_in_tapchicntt =
  array(
  "price" =>
	  array(
		  "name" => "price",
		  "type" => "text",
		  "std" => "",
		  "title" => "Price",
		  "description" => "Giá Bán"
	),
	"discount" =>
	  array(
		  "name" => "discount",
		  "type" => "text",
		  "std" => "",
		  "title" => "Discount",
		  "description" => "Giá Giảm"
	),
	"sku" =>
	  array(
		  "name" => "sku",
		  "type" => "text",
		  "std" => "",
		  "title" => "Code Product (SKU)",
		  "description" => ""
	)
 );

function post_in_tapchicntt() {
  global $post, $post_in_tapchicntt;
  $output = '<style>
  				label#tutorial_custom { display: block; font-weight: bold; padding: 5px;}
				input.tutorial_custom { padding: 5px}
  			</style>';
  foreach($post_in_tapchicntt as $meta_box) {
    $meta_box_value = get_post_meta($post->ID, $meta_box['name'], true);

    if($meta_box_value == "")
      $meta_box_value = $meta_box['std'];

	if ($meta_box['type'] == 'text' ){
		$output .= '<input type="hidden" name="'.$meta_box['name'].'_noncename" id="'.$meta_box['name'].'_noncename" value="'.wp_create_nonce( plugin_basename(__FILE__) ).'" />';
		$output .= '<label id="tutorial_custom" for="'.$meta_box['name'].'">'.$meta_box['title'].'</label>';
		$output .= '<input class="tutorial_custom" type="'.$meta_box['type'].'" name="tutorialblog_'.$meta_box['name'].'" value="'.$meta_box_value.'" width="90%" /><br />';
		$output .= $meta_box['description'].'<br />';
	}
  }
  echo $output;

}

function create_meta_box() {
  if ( function_exists('add_meta_box') ) {
    add_meta_box( 'new-meta-boxes', 'Thông tin sản phẩm', 'post_in_tapchicntt', 'post', 'normal', 'high' );
  }
}

function save_postdata( $post_id ) {
  global $post, $post_in_tapchicntt;

  foreach($post_in_tapchicntt as $meta_box) {
  // Verify
  if ( !wp_verify_nonce( $_POST[$meta_box['name'].'_noncename'], plugin_basename(__FILE__) )) {
    return $post_id;
  }

  if ( 'page' == $_POST['post_type'] ) {
  if ( !current_user_can( 'edit_page', $post_id ))
    return $post_id;
  } else {
  if ( !current_user_can( 'edit_post', $post_id ))
    return $post_id;
  }

	$data = $_POST['tutorialblog_'.$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));
	  }

}

add_action('admin_menu', 'create_meta_box');
add_action('save_post', 'save_postdata');