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<?php
/**
* The plugin core class which initialize plugin's code.
*
* @package Meta Box
*/
/**
* The Meta Box core class.
*
* @package Meta Box
*/
class RWMB_Core {
/**
* Initialization.
*/
public function init() {
load_plugin_textdomain( 'meta-box', false, plugin_basename( RWMB_DIR ) . '/languages/' );
add_filter( 'plugin_action_links_meta-box/meta-box.php', array( $this, 'plugin_links' ) );
// Uses priority 20 to support custom port types registered using the default priority.
add_action( 'init', array( $this, 'register_meta_boxes' ), 20 );
add_action( 'edit_page_form', array( $this, 'fix_page_template' ) );
}
/**
* Add links to Documentation and Extensions in plugin's list of action links.
*
* @since 4.3.11
* @param array $links Array of plugin links.
* @return array
*/
public function plugin_links( $links ) {
$links[] = '<a href="https://metabox.io/docs/">' . esc_html__( 'Documentation', 'meta-box' ) . '</a>';
$links[] = '<a href="https://metabox.io/plugins/">' . esc_html__( 'Extensions', 'meta-box' ) . '</a>';
return $links;
}
/**
* Register meta boxes.
* Advantages:
* - prevents incorrect hook.
* - no need to check for class existences.
*/
public function register_meta_boxes() {
$configs = apply_filters( 'rwmb_meta_boxes', array() );
$meta_boxes = rwmb_get_registry( 'meta_box' );
foreach ( $configs as $config ) {
$meta_box = rwmb_get_meta_box( $config );
$meta_boxes->add( $meta_box );
$meta_box->register_fields();
}
}
/**
* WordPress will prevent post data saving if a page template has been selected that does not exist.
* This is especially a problem when switching to our theme, and old page templates are in the post data.
* Unset the page template if the page does not exist to allow the post to save.
*
* @param WP_Post $post Post object.
* @since 4.3.10
*/
public function fix_page_template( WP_Post $post ) {
$template = get_post_meta( $post->ID, '_wp_page_template', true );
$page_templates = wp_get_theme()->get_page_templates();
// If the template doesn't exists, remove the data to allow WordPress to save.
if ( ! isset( $page_templates[ $template ] ) ) {
delete_post_meta( $post->ID, '_wp_page_template' );
}
}
/**
* Get registered meta boxes via a filter.
*
* @deprecated No longer used. Keep for backward-compatibility with extensions.
*
* @return array
*/
public static function get_meta_boxes() {
$meta_boxes = rwmb_get_registry( 'meta_box' )->all();
return wp_list_pluck( $meta_boxes, 'meta_box' );
}
}
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