AnsPress_Form::radio_field( array $field = array() )

	private function radio_field( $field = [] ) {
		if ( isset( $field['label'] ) ) {
			$this->label();
		}

		$this->output .= '<div class="ap-form-fields-in">';

		foreach ( (array) $field['options'] as $opt_value => $opt_label ) {

			$this->output .= '<label>';
			$this->output .= '<input id="' . $field['name'] . '" type="radio" class="ap-form-control" value="' . esc_attr( $opt_value ) . '" name="' . $field['name'] . '" ' . checked( $opt_value, $field['value'], false ) . ' ' . $this->attr( $field ) . ' />';

			$this->output .= $opt_label;
			$this->output .=  '</label>';
		}

		if ( ! $this->field['show_desc_tip'] ) {
			$this->desc();
		}

		$this->error_messages();
		$this->output .= '</div>';
	}