Connect2Form – Advanced Contact Form Builder

Connect2Form is a comprehensive WordPress form builder plugin that enables users to create custom contact forms with advanced features. Built with security, accessibility, and performance as core principles, it provides a solid foundation for form management with extensibility through addon plugins for CRM and email marketing integrations.

🚀 Core Features:

• Drag & Drop Form Builder – Intuitive visual interface with live preview and real-time editing

• 15+ Field Types – Text, email, file upload, date picker, select, radio, checkbox, textarea, number, URL, phone, consent, and more

• Conditional Logic – Show/hide fields based on user input with advanced rule conditions

• Email Notifications – Multiple customizable email templates with merge tags and HTML/plain text support

• Auto-Responder – Automatic reply emails to form submitters with customizable templates

• File Upload Support – Secure file handling with type validation, size limits, and virus scanning capability

• Mobile Responsive – Perfect display and functionality on all devices and screen sizes

• Multi-language Support – Full internationalization with RTL language support

🔒 Security Features:

• CSRF Protection – Enhanced nonce verification with expiration

• Input Sanitization – Comprehensive validation for all field types

• File Upload Security – Type/size validation with virus scanning capability

• Rate Limiting – Configurable per-IP submission limits

• SQL Injection Prevention – Prepared statements and parameterized queries

• XSS Protection – Output escaping and content sanitization

• Honeypot Spam Detection – Hidden fields to catch automated submissions

• reCAPTCHA Integration – v2 Checkbox, v2 Invisible, and v3 with score thresholds

• Akismet Integration – Optional spam detection using Akismet service

• IP Blocking – Block suspicious IPs and user agents

• Security Headers – CSP, X-Frame-Options, and other security headers

♿ Accessibility Features:

• WCAG 2.1 AA Compliant – Full compliance with accessibility standards

• Screen Reader Support – ARIA labels, descriptions, and semantic markup

• Keyboard Navigation – Complete keyboard accessibility throughout forms

• High Contrast Mode – Support for high contrast display modes

• Focus Management – Proper focus indication and management

• Skip Links – Navigation aids for screen reader users

• Semantic HTML – Proper HTML structure for assistive technologies

📊 Performance Features:

• Database Query Caching – Cached queries with configurable expiration

• Asset Optimization – Conditional loading and optimization

• Lazy Loading – Heavy components loaded on demand

• Memory Management – Automatic cleanup and memory optimization

• Daily Cleanup Routines – Automatic cleanup of temporary data

• CDN Support – Static asset delivery optimization

• Database Optimization – Regular maintenance and optimization

🔗 Integration & Extensibility:

• Addon System – Modular architecture for extending functionality

• CRM Integrations – Available through Connect2Form Integrations addon

• Email Marketing – Mailchimp, HubSpot, and other service integrations

• Webhook Support – Available through addon plugins

• REST API – Full REST API for external integrations

• Developer Hooks – 50+ action and filter hooks for customization

• Custom Field Types – Support for custom field development

• Third-party Integrations – Easy integration with external services

🛠️ Developer Features:

• 50+ Action & Filter Hooks – Extensive customization capabilities

• Custom Field Type Support – Create custom field types

• REST API Endpoints – Full API for external integrations

• Extensive Documentation – Comprehensive developer documentation

• WordPress Coding Standards – Follows WordPress best practices

• PHPDoc Comments – Complete code documentation

• Modular Architecture – Clean, maintainable code structure

• Unit Test Coverage – Comprehensive testing framework

📋 Field Types Available:

• Text Fields – Single line text input with validation

• Email Fields – Email validation with domain checking

• Textarea – Multi-line text input with configurable rows

• Number Fields – Numeric input with min/max validation

• Date Fields – Date picker with format validation

• Phone Fields – Phone number input with format validation

• URL Fields – URL validation and formatting

• Select Dropdowns – Single selection with custom options

• Radio Buttons – Single selection with custom options

• Checkboxes – Multiple selection with custom options

• File Upload – Secure file upload with validation

• Consent Fields – GDPR-compliant consent management

• Hidden Fields – Hidden data fields

• HTML Fields – Custom HTML content

• reCAPTCHA – Spam protection integration

📧 Email Features:

• Multiple Notifications – Send to multiple recipients

• Custom Templates – Professional HTML and plain text templates

• Merge Tags – Dynamic content insertion from form data

• Auto-Responder – Automatic replies to form submitters

• Email Formatting – HTML and plain text options

• Attachment Support – Include uploaded files in emails

• CC/BCC Support – Carbon copy and blind carbon copy

• Reply-To Configuration – Custom reply-to addresses

🔧 Admin Features:

• Form Management – Create, edit, duplicate, and delete forms

• Submission Management – View, export, and manage form entries

• Bulk Operations – Bulk delete, export, and manage submissions

• Settings Management – Comprehensive settings for all features

• Import/Export – Form and submission data portability

• System Health – Monitor plugin performance and health

• Maintenance Tools – Database cleanup and optimization

• User Permissions – Role-based access control

Third-Party Libraries & Resources

Connect2Form uses the following third-party libraries and resources to provide enhanced functionality:

JavaScript Libraries:

• Datepicker v1.0.20 – Date picker functionality

  • Source: https://github.com/fengyuanchen/datepicker

  • License: MIT License

  • Used for: Date field input enhancement

  • Human-readable source: Available in GitHub repository

External Services (Optional):

• Google reCAPTCHA – Spam protection service

  • Privacy Policy: https://policies.google.com/privacy

  • Terms: https://policies.google.com/terms

  • Data sent: Form submission data for validation only

Addon Integrations (Separate Plugin):

• Connect2Form Integrations – Separate addon plugin for CRM and email marketing

  • Provides: Mailchimp, HubSpot, and other service integrations

  • Repository: Available as separate plugin download

  • Dependency: Requires Connect2Form core plugin

Build Tools & Development:

All JavaScript and CSS files in this plugin are human-readable and unminified except where noted. The plugin does not use build tools like webpack, gulp, or npm for distribution.

Source Code Availability:

• Plugin Source: https://github.com/connect2form/connect2form-advanced-contact-form-builder-with-marketing-tools

• Documentation: https://connect2form.com/

• Issue Tracker: https://github.com/connect2form/connect2form-advanced-contact-form-builder-with-marketing-tools/issues

• Contribution Guide: https://github.com/connect2form/connect2form-advanced-contact-form-builder-with-marketing-tools/blob/main/CONTRIBUTING.md

Minified Files:

• assets/js/datepicker.min.js – Third-party library (source link provided above)

All other JavaScript and CSS files are unminified and human-readable for easy inspection and modification.

External Services

This plugin connects to external third-party services to provide optional integration functionality. These connections are only established when specifically configured by the user and are completely optional.

MailChimp API Integration (Optional – Built-in)

• Service: MailChimp email marketing platform (mailchimp.com)

• Purpose: To automatically add form submissions to your MailChimp email lists for newsletter and marketing purposes

• Data Sent: Email addresses and any other form fields you choose to map (name, phone, etc.)

• When: Only when a form is submitted AND MailChimp integration is configured in form settings

• Data Location: Data is sent to MailChimp servers based on your account region (e.g., us1.api.mailchimp.com/3.0/lists/{list_id}/members)

• API Endpoint: https://{datacenter}.api.mailchimp.com/3.0/lists/{list_id}/members

• Privacy Policy: https://mailchimp.com/legal/privacy/

• Terms of Service: https://mailchimp.com/legal/terms/

HubSpot CRM Integration (Optional – Built-in)

• Service: HubSpot CRM platform (hubspot.com)

• Purpose: To create or update contact records in your HubSpot CRM from form submissions

• Data Sent: Contact information from form fields including email, name, phone, company details, and custom fields

• When: Only when a form is submitted AND HubSpot integration is configured in form settings

• Data Location: Data is sent to HubSpot API servers (api.hubapi.com/crm/v3/objects/contacts)

• API Endpoint: https://api.hubapi.com/crm/v3/objects/contacts

• Privacy Policy: https://legal.hubspot.com/privacy-policy

• Terms of Service: https://legal.hubspot.com/terms-of-service

Google reCAPTCHA Service (Optional)

• Service: Google reCAPTCHA spam protection (google.com)

• Purpose: To protect forms from spam and automated bot submissions

• Data Sent: User interaction data, IP address, and browser information for spam analysis

• When: Only when reCAPTCHA is enabled for a specific form

• Data Location: Data is processed by Google’s servers worldwide

• Privacy Policy: https://policies.google.com/privacy

• Terms of Service: https://policies.google.com/terms

Technical Implementation Details:

• MailChimp Integration: Uses wp_remote_request() to POST data to MailChimp API v3.0 endpoints

• HubSpot Integration: Uses wp_remote_request() to POST contact data to HubSpot CRM API v3

• Data Format: All API calls send data in JSON format with proper authentication headers

• Error Handling: Failed API calls are logged but do not prevent form submission completion

• Data Retention: All data sent to external services is subject to their respective privacy policies

• User Control: Users can disable integrations at any time through form settings

• Data Minimization: Only necessary data is sent to external services as configured by the user

Support

For support, feature requests, and bug reports, please visit:

• WordPress.org Support Forums: https://wordpress.org/support/plugin/connect2form-advanced-contact-form-builder-with-marketing-tools/

• GitHub Issues: https://github.com/connect2form/connect2form-advanced-contact-form-builder-with-marketing-tools/issues

• Documentation: https://connect2form.com/documentation/

• Developer Guide: Available in the plugin directory as developer-guide.txt

Developer Information

Connect2Form is built with developers in mind and provides extensive customization options:

• 50+ Action & Filter Hooks for customization

• REST API for external integrations

• Custom Field Types support

• Modular Architecture for easy extension

• WordPress Coding Standards compliance

• Comprehensive Documentation with examples

• Developer Guide with detailed hook documentation

For detailed developer information, see the developer-guide.txt file included with the plugin.