public function initializeHTMLFormElement( array $config = [] ) {
// Properties
- $this->hideIf = isset( $config['hideIf'] ) ? $config['hideIf'] : null;
- $this->modules = isset( $config['modules'] ) ? $config['modules'] : [];
+ $this->hideIf = $config['hideIf'] ?? null;
+ $this->modules = $config['modules'] ?? [];
// Initialization
if ( $this->hideIf ) {