Learn how to use the `gform_coupons_is_valid_code` PHP filter in Gravity Forms to override the default alphanumeric validation check for coupon codes. Customize your validation rules with examples provided, including allowing…
Learn how to use the `gform_polls_cron_schedule` filter in Gravity Forms to change the frequency of the cron job that calculates poll data.…
Learn how to use the Gravity Forms 'gform_ppcp_webhook' PHP filter to customize the webhook events processed by the Gravity Forms PayPal Checkout Add-On. This article provides examples and instructions on…
Learn how to use the Gravity Forms `gform_is_encrypted_field` PHP filter to determine if an entry field is stored encrypted. Customize the default behavior of decrypting fields that have been encrypted…