public/wordpress/wp-content/plugins/wp-courseware/includes/gateways/gateway-paypal.php
/**
	 * IPN Subscription: Get Transaction Types.
	 *
	 * @since 4.3.0
	 *
	 * @return array The array of ipn subscription transaction types.
	 */
IPN Subscription: Get Transaction Types.

@return array The array of ipn subscription transaction types.
IPN Subscription : Get Transaction Types . @return array The array of ipn subscription transaction types .
public function ipn_subscription_get_valid_transaction_types() {
		return apply_filters( 'wpcw_gateway_paypal_subscription_valid_transaction_types', array(
			'subscr_signup',  
			'subscr_payment', 
			'subscr_cancel',  
			'subscr_eot',     
			'subscr_failed',   Failed
			'subscr_modify',  
			'recurring_payment_skipped', 
			'recurring_payment_suspended', 
			'recurring_payment_failed', 
			'recurring_payment_suspended_due_to_max_failed_payment', ; Due to Max Failed Attempts
		) );
	}
public function ipn_subscription_get_valid_transaction_types ( ) { return apply_filters ( 'wpcw_gateway_paypal_subscription_valid_transaction_types' , array ( 'subscr_signup' , 'subscr_payment' , 'subscr_cancel' , 'subscr_eot' , 'subscr_failed' , 'subscr_modify' , 'recurring_payment_skipped' , 'recurring_payment_suspended' , 'recurring_payment_failed' , 'recurring_payment_suspended_due_to_max_failed_payment' , ) ) ; }
IPN Subscription: Get Transaction Types.
IPN Subscription : Get Transaction Types .
// Subscription Started // Subscription Payment // Subscription Cancelled // Subscription Expired // Subscription Payment Failed // Subscription Modified // Recurring Payment Skipped // Recurring Payment Suspended // Recurring Payment Failed. // Recurring Payment Suspended; Due to Max Failed Attempts