toArray(); foreach ( $array as $key => $value ) { $optionArray[] = [ 'value' => $key, 'label' => $value ]; } return $optionArray; } public function toArray() { return [ '' => __( 'Choose Text Transform...' ), 'uppercase' => __( 'Uppercase' ), 'capitalize' => __( 'Capitalize' ), 'initial' => __( 'Initial' ), ]; } }