Phone Validator for WPForms

Phone Validator for WPForms adds professional phone number validation to block spam and ensure data quality.

Key validations:
* Phone number length limits
* Repetitive digit patterns (e.g., 1111111)
* Blacklisted numbers/patterns
* Country code restrictions (+7, +380, +44, etc.)
* IP throttling to prevent form flooding

Includes detailed logging of blocked attempts and auto-cleanup for performance.