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* Builder Plugin Compatibility Code
* @package Themify_Builder
* @subpackage Themify_Builder/classes
class Themify_Builder_Plugin_Compat_DuplicatePosts {
add_filter( 'option_duplicate_post_blacklist', array( __CLASS__, 'dp_meta_backlist'), 10, 2 );
add_action('dp_duplicate_post', array( __CLASS__, 'dp_duplicate_builder_data'), 10, 2);
add_action('dp_duplicate_page', array( __CLASS__, 'dp_duplicate_builder_data'), 10, 2);
* Backlist builder meta_key from duplicate post settings custom fields
public static function dp_meta_backlist(string $value,string $option ):string {
$list_arr = explode(',', $value );
$list_arr[] = '_themify_builder_settings_json';
return implode( ',', $list_arr );
* Action to duplicate builder data.
public static function dp_duplicate_builder_data( $new_id, $post ) {
$builder_data = ThemifyBuilder_Data_Manager::get_data( $post->ID ); // get builder data from original post
ThemifyBuilder_Data_Manager::save_data( $builder_data, $new_id ); // save the data for the new post