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How to Implement Custom Validation Rules in Gravity Forms for Accurate Data

You can create custom validation rules for your fields to ensure the submitted data meets your criteria. Here’s an example of how to validate an email field.

add_filter('gform_field_validation', 'codebykp_custom_email_validation', 10, 4);

function codebykp_custom_email_validation($result, $value, $form, $field) {
    if ($field->id == 2 && !is_email($value)) { // Assuming field ID 2 is for email
        $result['is_valid'] = false;
        $result['message'] = 'Please enter a valid email address.';
    }
    return $result;
}


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