Method: If the Divi “Enable Classic Editor” builder setting is enabled then classic is enabled for our purposes.
Source: libraries/lifterlms-blocks/includes/class-llms-blocks-page-builders.php:121
Function: Validate a potential username
Source: includes/user-functions.php:411
Function: Removes (unsets) a stored error
Source: includes/error-tracking.php:110
Function: Get the URL of the Transaction Failed page
Source: includes/checkout/functions.php:191
Function: Trigger a Purchase Deletion
Source: includes/admin/payments/actions.php:312
Function: Upgrade routine for v1.3.4
Source: includes/admin/upgrades/upgrade-functions.php:381
Function: Process web accept (one time) payment IPNs
Source: includes/gateways/paypal-standard.php:529
Function: Process PayPal IPN Refunds
Source: includes/gateways/paypal-standard.php:756
Function: Loads a payment gateway via AJAX
Source: includes/gateways/actions.php:35
Function: Sets an error on checkout if no gateways are enabled
Source: includes/gateways/actions.php:62