plugin install

wp/wp-content/plugins/advanced-custom-fields-pro/includes/fields.php

@@ -22,36 +22,31 @@ if ( ! class_exists( 'acf_fields' ) ) :
 		 * @param   n/a
 		 * @return  n/a
 		 */
-
 		function __construct() {
 			/* do nothing */
 		}
 
-
 		/**
-		 * This function will register a field type instance
+		 * This function will register a field type instance based on a class name or instance.
+		 * It will return the instance for further use.
 		 *
-		 * @type    function
-		 * @date    6/07/2016
-		 * @since   5.4.0
+		 * @since 5.4.0
 		 *
-		 * @param   $class (string)
-		 * @return  n/a
+		 * @param   mixed $field_class Either a class name (string) or instance of acf_field.
+		 * @return  acf_field The instance of acf_field.
 		 */
-
-		function register_field_type( $class ) {
-
-			// allow instance
-			if ( $class instanceof acf_field ) {
-				$this->types[ $class->name ] = $class;
-
-				// allow class name
-			} else {
-				$instance                       = new $class();
-				$this->types[ $instance->name ] = $instance;
+		public function register_field_type( $field_class ) {
+			// Allow registering an instance.
+			if ( $field_class instanceof acf_field ) {
+				$this->types[ $field_class->name ] = $field_class;
+				return $field_class;
 			}
-		}
 
+			// Allow registering a loaded class name.
+			$instance                       = new $field_class();
+			$this->types[ $instance->name ] = $instance;
+			return $instance;
+		}
 
 		/**
 		 * This function will return a field type instance
@@ -63,7 +58,6 @@ if ( ! class_exists( 'acf_fields' ) ) :
 		 * @param   $name (string)
 		 * @return  (mixed)
 		 */
-
 		function get_field_type( $name ) {
 			return isset( $this->types[ $name ] ) ? $this->types[ $name ] : null;
 		}
@@ -79,7 +73,6 @@ if ( ! class_exists( 'acf_fields' ) ) :
 		 * @param   $name (string)
 		 * @return  (mixed)
 		 */
-
 		function is_field_type( $name ) {
 			return isset( $this->types[ $name ] );
 		}