learndash_billing_cycle_field_frequency_validate learndash_billing_cycle_field_frequency_validate( string $price_billing_t3 ) Validate the billing cycle field frequency. ContentsDescription Parameters Return Source Changelog Related Namespace @package Used By Description # Parameters # $price_billing_t3 (string) (Required) Billing frequency code. D, W, M, or Y. Return # (string) Valid frequency or empty string. Source # File: includes/settings/settings-billing-functions.php Changelog # Changelog Version Description 3.5.0 Introduced. Related # Namespace # global @package # LearnDash Used By # Used By Used By Description includes/settings/settings-billing-functions.php: learndash_billing_cycle_field_interval_validate () Validate the Billing cycle field interval. includes/settings/settings-metaboxes/class-ld-settings-metabox-group-access-settings.php: LearnDash_Settings_Metabox_Group_Access_Settings::filter_saved_fields () Filter settings values for metabox before save to database. includes/settings/settings-functions.php: learndash_get_setting () Gets the LearnDash setting for a post. includes/class-ld-lms.php: SFWD_LMS::learndash_course_price_billing_cycle_save () Updates course price billy cycle on save Fires on action ‘save_post’ includes/settings/settings-metaboxes/class-ld-settings-metabox-course-access-settings.php: LearnDash_Settings_Metabox_Course_Access_Settings::filter_saved_fields () Filter settings values for metabox before save to database.
Used By # Used By Used By Description includes/settings/settings-billing-functions.php: learndash_billing_cycle_field_interval_validate () Validate the Billing cycle field interval. includes/settings/settings-metaboxes/class-ld-settings-metabox-group-access-settings.php: LearnDash_Settings_Metabox_Group_Access_Settings::filter_saved_fields () Filter settings values for metabox before save to database. includes/settings/settings-functions.php: learndash_get_setting () Gets the LearnDash setting for a post. includes/class-ld-lms.php: SFWD_LMS::learndash_course_price_billing_cycle_save () Updates course price billy cycle on save Fires on action ‘save_post’ includes/settings/settings-metaboxes/class-ld-settings-metabox-course-access-settings.php: LearnDash_Settings_Metabox_Course_Access_Settings::filter_saved_fields () Filter settings values for metabox before save to database.