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Professional DNI/NIF field for WooCommerce checkout with validation for Spain and Portugal

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@replantadev replantadev released this 08 Sep 10:44
· 17 commits to main since this release
v1.0.0
d21eb73

Features

  • Professional validation for Spanish documents (DNI, NIE, CIF)
  • Portuguese document support (NIF, NIPC)
  • Real-time validation with AJAX
  • Client-side validation for instant feedback
  • WooCommerce integration - seamless checkout experience
  • Theme compatibility - works with all major themes
  • Responsive design - mobile-friendly
  • Accessibility - WCAG compliant
  • Auto-updates via GitHub
  • WordPress standards compliant

Installation

IMPORTANT: Download from Releases, not the "Code" button.

Method 1: WordPress Admin (Recommended)

  1. Go to GitHub Releases
  2. Download the latest dniwoo-vX.X.X.zip file
  3. In WordPress: Plugins > Add New > Upload Plugin
  4. Upload the ZIP file and activate

Method 2: Manual Installation

  1. Download from Releases
  2. Extract the ZIP file
  3. Upload the dniwoo folder to /wp-content/plugins/
  4. Activate in WordPress admin

⚠️ Do NOT download from "Code" button

This creates folder naming issues. Always use the Releases section.

Requirements

  • WordPress 5.0 or higher
  • WooCommerce 5.0 or higher
  • PHP 7.4 or higher

Configuration

Navigate to WooCommerce > Settings > DNIWOO to configure:

  • Enable/Disable the DNI field
  • Required field - make DNI mandatory
  • Validation mode - real-time or on submit
  • Error messages - customize validation messages
  • Field position - choose where to display the field
  • Country detection - automatic field type switching

Supported Documents

Spain

  • DNI (Documento Nacional de Identidad) - 8 digits + letter
  • NIE (Número de Identidad de Extranjero) - X/Y/Z + 7 digits + letter
  • CIF (Código de Identificación Fiscal) - Letter + 7 digits + control

Portugal

  • NIF (Número de Identificação Fiscal) - 9 digits
  • NIPC (Número de Identificação de Pessoa Coletiva) - 9 digits

Field Validation

Client-side (JavaScript)

  • Format validation while typing
  • Real-time AJAX validation (optional)
  • Immediate user feedback
  • Prevents form submission with invalid data

Server-side (PHP)

  • Complete validation algorithms
  • Double-check on form submission
  • Security against tampering

Theme Compatibility

DNIWOO is designed to work with all WordPress themes:

  • Astra
  • Storefront
  • GeneratePress
  • OceanWP
  • Divi
  • Avada
  • And many more

Styling

The plugin includes comprehensive CSS that adapts to your theme:

  • Responsive design for all devices
  • Dark mode support
  • High contrast mode support
  • RTL (right-to-left) language support
  • Print-friendly styles
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