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原文外掛簡介
Vatigo – EU VAT Validator adds EU VAT ID validation to your WordPress forms with zero configuration. Install, activate, done.
Features
Pattern validation for all 27 EU member states
Works with Contact Form 7, WPForms, and Fluent Forms
Real-time inline feedback while the user types (WPForms)
Server-side validation on every submission
Custom error messages via settings page
Clean settings page showing active integrations and hooks used
Extensible: register custom integrations for any other form plugin
No external API calls – fully offline (free version)
GDPR-friendly: no personal data stored or transmitted
Supported Countries
AT, BE, BG, CY, CZ, DE, DK, EE, EL, ES, FI, FR, HR, HU, IE, IT, LT, LU, LV, MT, NL, PL, PT, RO, SE, SI, SK
Usage with Contact Form 7
Add [uid_vat uid-field] or [uid_vat* uid-field] (required) to your form template.
Example with placeholder:
[uid_vat* eu-vat-id placeholder "e.g. ATU12345678"]
Usage with WPForms
Drag the EU VAT ID field from the field panel into your form. The field supports required validation, custom labels, placeholder text, and real-time inline feedback while the user types.
Usage with Fluent Forms
Drag the EU VAT ID field from the General Fields section into your form.
Styling the inline feedback
WPForms shows real-time validation feedback next to the field. To hide it, add this to your theme’s CSS:
.vatigo-feedback { display: none; }
For Developers
Register integrations for any other form plugin:
add_action( 'vatigo_register_integrations', function( $manager ) {
$manager->register( new My_Custom_Integration() );
} );
Your class must extend Vatigo_Integration_Base and implement all abstract methods.
