# formidable/trunk/stripe/helpers/FrmStrpLiteAppHelper.php

Formidable Forms – WordPress Form Builder for Contact Forms, Calculators, Quizzes & More, version trunk. 175 lines.

- Page: https://pluginprobe.com/plugins/formidable/trunk/code/stripe/helpers/FrmStrpLiteAppHelper.php
- Raw: https://pluginprobe.com/plugins/formidable/trunk/raw/stripe/helpers/FrmStrpLiteAppHelper.php
- Modified: 2026-09-09T16:18:04+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/formidable/trunk/code/stripe/helpers/FrmStrpLiteAppHelper.php#L10-L20`.

```php
<?php
if ( ! defined( 'ABSPATH' ) ) {
	die( 'You are not allowed to call this page directly.' );
}

class FrmStrpLiteAppHelper {

	/**
	 * @var FrmStrpLiteSettings|null
	 */
	private static $settings;

	/**
	 * @return string
	 */
	public static function plugin_path() {
		return FrmAppHelper::plugin_path() . '/stripe/';
	}

	/**
	 * @return string
	 */
	public static function plugin_folder() {
		return basename( self::plugin_path() );
	}

	/**
	 * @return string
	 */
	public static function plugin_url() {
		return FrmAppHelper::plugin_url() . '/stripe/';
	}

	/**
	 * @param string $function
	 * @param array  ...$params
	 *
	 * @return mixed
	 */
	public static function call_stripe_helper_class( $function, ...$params ) {
		if ( self::should_use_stripe_connect() && is_callable( "FrmStrpLiteConnectApiAdapter::$function" ) ) {
			return FrmStrpLiteConnectApiAdapter::$function( ...$params );
		}
		return false;
	}

	/**
	 * @return bool true if we're using connect (versus the legacy integration).
	 */
	public static function should_use_stripe_connect() {
		if ( ! class_exists( 'FrmStrpLiteConnectApiAdapter' ) ) {
			require __DIR__ . '/FrmStrpLiteConnectApiAdapter.php';
		}
		return FrmStrpLiteConnectApiAdapter::initialize_api();
	}

	/**
	 * @return bool true if either connect or the legacy integration is set up.
	 */
	public static function stripe_is_configured() {
		return self::call_stripe_helper_class( 'initialize_api' );
	}

	/**
	 * If test mode is running, save the id somewhere else
	 *
	 * @return string
	 */
	public static function get_customer_id_meta_name() {
		$meta_name = '_frmstrp_customer_id';

		if ( 'test' === self::active_mode() ) {
			$meta_name .= '_test';
		}

		return $meta_name;
	}

	/**
	 * @return FrmStrpLiteSettings
	 */
	public static function get_settings() {
		if ( ! isset( self::$settings ) ) {
			self::$settings = new FrmStrpLiteSettings();
		}
		return self::$settings;
	}

	/**
	 * @return string
	 *
	 * @psalm-return 'live'|'test'
	 */
	public static function active_mode() {
		return self::get_settings()->settings->test_mode ? 'test' : 'live';
	}

	/**
	 * Add education about Stripe fees.
	 *
	 * @param string             $content UTM Content for the admin upgrade link.
	 * @param array|false|string $gateway Gateway or list of gateways this applies to.
	 *
	 * @return void
	 */
	public static function fee_education( $content = 'tip', $gateway = false ) {
		if ( ! FrmAddonsController::payment_fees_apply( 'stripe' ) ) {
			return;
		}

		$classes = 'frm-light-tip show_stripe';

		if ( $gateway && ! array_intersect( (array) $gateway, array( 'stripe' ) ) ) {
			$classes .= ' frm_hidden';
		}

		FrmTipsHelper::show_tip(
			array(
				'link'  => array(
					'campaign' => 'stripe-fee',
					'content'  => $content,
				),
				'tip'   => 'Pay as you go pricing: 3% fee per-transaction + Stripe fees.',
				'call'  => __( 'Upgrade to save on fees.', 'formidable' ),
				'class' => $classes,
			),
			'p'
		);
	}

	/**
	 * Show a message to connect Stripe with link to settings.
	 *
	 * @return void
	 */
	public static function not_connected_warning() {
		// phpcs:disable Generic.WhiteSpace.ScopeIndent
		?>
		<div class="frm_warning_style">
			<span>
				<?php
				printf(
					/* translators: %1$s: Link HTML, %2$s: End link */
					esc_html__( 'Credit Cards will not work without connecting %1$sStripe%2$s, %3$sSquare%4$s, or %5$sPayPal%6$s first.', 'formidable' ),
					// %1$s
					'<a href="' . esc_url( admin_url( 'admin.php?page=formidable-settings&t=stripe_settings' ) ) . '" target="_blank">',
					// %2$s
					'</a>',
					// %3$s
					'<a href="' . esc_url( admin_url( 'admin.php?page=formidable-settings&t=square_settings' ) ) . '" target="_blank">',
					// %4$s
					'</a>',
					// %5$s
					'<a href="' . esc_url( admin_url( 'admin.php?page=formidable-settings&t=paypal_settings' ) ) . '" target="_blank">',
					// %6$s
					'</a>'
				);
				?>
			</span>
		</div>
		<?php
		// phpcs:enable Generic.WhiteSpace.ScopeIndent
	}

	/**
	 * @deprecated 6.22
	 *
	 * @return bool
	 */
	public static function is_debug() {
		_deprecated_function( __METHOD__, '6.22' );
		return defined( 'WP_DEBUG' ) && WP_DEBUG;
	}
}

```