Macro für JetEngine, um User Properties (z. B. E-Mail) abzufragen

/* Key-Name für E-Mail wäre "user_email" => entspricht den Bezeichnern des Standard WP User Objects
 * user_email
 * user_login
 * user_nicename
 * user_firstname
 * user_lastname
 * user_description
 */

#region Add new Macro Option for JetEngine
/**
 * Note! 
 * Register macros on jet-engine/register-macros action only, 
 * as the base macro class \Jet_Engine_Base_Macros is not available before that action; 
 * after it - all macros are registered already
 */

 add_action( 'jet-engine/register-macros', function(){ 

	/**
	 * Current_User_Prop class.
	 * Adds macro, that returns given property of the current user.
	 *
	 * Has methods (all JetEngine macros classes should have those):
	 * macros_tag()  - sets macros tag
	 * macros_name() - sets human-readable macros name for UI
	 * macros_callback() - function that returns needed value
	 * macros_args() - optional argument list for the macro; argument format is the same as in Elementor 
	 * https://developers.elementor.com/docs/controls/regular-control/
	 * In this example, the macro has one control: 'prop_key' 
	 * which is the property, that should be get from the current user
	 *
	 */
  
	class Current_User_Prop extends \Jet_Engine_Base_Macros {

		/**
		 * Macros tag - this macro will look like %current_user_prop|ID% if typed manually
		 */
		public function macros_tag() {
			return 'current_user_prop';
		}

		/**
		 * Macros name in UI
		 */
		public function macros_name() {
			return 'Current user property';
		}

		/**
		 * Macros arguments - see this https://developers.elementor.com/docs/controls/regular-control/ for reference
		 * An empty array may be returned if the macro has no arguments
		 */
		public function macros_args() {
			return array(
				'prop_key'    => array(
					'label'   => 'Property',
					'type'    => 'text',
					'default' => '',
				),
			);
		}

		/**
		 * Macros callback - gets existing property from the current logged in user
		 */
		public function macros_callback( $args = array() ) {

			$prop_key = ! empty( $args['prop_key'] ) ? $args['prop_key'] : null;

			$object = wp_get_current_user();

			if ( $object && 'WP_User' === get_class( $object ) ) {
				$user = $object;
			}

			if ( ! $user || ! isset( $user->$prop_key ) ) {
				return 'prop not found';
			}

			return $user->$prop_key;
		}
	}
	
	/**
	 * Create an instance of Current_User_Prop to add current_user_prop macro
	 * of course you may create a separate file with the class, include it instead of declaring the class right in the action, 
	 * and then create an instance of it
	 */
	new Current_User_Prop();
	
} );
#endregion Add new Macro Option for JetEngine