The Headers. Based upon a post from Julio Biason.
* Version: 1.6.0
* Author: Andy Fragen
* Author URI: http://thefragens.com
* License: GNU General Public License v2
* License URI: http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* Text Domain: add-custom-header-images
* Domain Path: /languages
* GitHub Plugin URI: https://github.com/afragen/add-custom-header-images
* Requires WP: 3.4.0
* Requires PHP: 5.3
*/
/**
* Class Add_Custom_Header_Images
*/
class Add_Custom_Header_Images {
/**
* Variable to hold the data for `get_page_by_title()`.
*
* @var array|null|\WP_Post
*/
private $the_headers_page;
/**
* Constructor.
*/
public function __construct() {
$the_headers_title = __( 'The Headers', 'add-custom-header-images' );
$this->the_headers_page = get_page_by_title( esc_attr( $the_headers_title ) );
$this->run();
}
/**
* Let's get started.
*
* @return bool
*/
public function run() {
global $wp_version;
load_plugin_textdomain( 'add-custom-header-images', false, basename( dirname( __FILE__ ) ) );
if ( ! $wp_version >= 3.4 || ( is_admin() && null === $this->the_headers_page )
) {
add_action( 'admin_notices', array( $this, 'headers_page_present' ) );
return false;
}
add_action( 'after_setup_theme', array( $this, 'new_default_header_images' ), 99 );
}
/**
* Disable plugin if 'The Headers' page does not exist.
*/
public function headers_page_present() {
?>
$value ) {
if ( ! is_int( $key ) ) {
$header_ids[] = $key;
}
}
unregister_default_headers( $header_ids );
}
/**
* Add new default header images.
*
* @link http://juliobiason.net/2011/10/25/twentyeleven-with-easy-rotating-header-images/
*/
public function new_default_header_images() {
if ( ! $this->the_headers_page instanceof \WP_Post ) {
return false;
}
$this->remove_default_header_images();
$headers = array();
$images = get_children(
array(
'post_parent' => $this->the_headers_page->ID,
'post_status' => 'inherit',
'post_type' => 'attachment',
'post_mime_type' => 'image',
'order' => 'ASC',
'orderby' => 'menu_order ID',
)
);
if ( empty( $images ) ) {
return false;
}
foreach ( $images as $key => $image ) {
$thumb = wp_get_attachment_image_src( $image->ID, 'medium' );
$headers[] = array(
'url' => $image->guid,
'thumbnail_url' => $thumb[0],
'description' => $image->post_title,
'attachment_id' => $image->ID,
);
}
register_default_headers( $headers );
}
}
new Add_Custom_Header_Images();