Formula Rate Shipping v1.0.0

Formula Rate Shipping v1.0.0 — Production Release

Official production release of Formula Rate Shipping for WooCommerce.

Highlights & Fixes in v1.0.0

• Parenthesized Nested Ternary Support: Fully resolved innermost-first recursive evaluation for parenthesized ternaries (e.g. 1 ? (0 ? 6.00 : 7.00) : 8.00 and compound expressions (1 ? 5.00 : 3.00) + (0 ? 2.00 : 7.00)), eliminating the final documented calculation engine limitation.
• Section 2 AJAX Autocomplete Restored: Restored formula_shipping_search_targets_handler with full nonce verification, manage_woocommerce capability checks, and search querying across user_login, user_email, and usermeta keys.
• PHP 7 & 8 Throwable Safety: Hardened all formula evaluation and admin simulation handlers with catch ( \Throwable $e ) to safely catch PHP \TypeError, \DivisionByZeroError, and \ParseError, preventing checkout and admin fatal crashes.
• PHP < 7.3 Compatibility: Protected array_key_first() calls in item rules with safe polyfill fallbacks.
• 270 Automated Tests: All 4 dependency-free test suites pass with 100% success rate across Smoke, Advanced, Integration, and Robustness testing.
• Origin Story & Standout Architectural Features: Added origin background, folded incremental shipping mechanics, and clear documentation.

Installation

Download formula-rate-shipping.zip below and upload it directly in WordPress Admin → Plugins → Add New → Upload Plugin.
(Do not install via GitHub's "Download ZIP" source code archive as GitHub wraps repositories with branch suffixes that cause WordPress plugin collisions).

Formula Rate Shipping v0.70.5 - Production-Ready Release

What is in v0.70.5

Formula Rate Shipping is a production-ready, flexible WooCommerce shipping method plugin featuring a custom mathematical formula engine, priority item rules, location overrides, and an interactive real-time tester.

Standout Highlights:

• Folded Incremental Mixed-Cart Resolution: Charges the primary item's base rate plus only the marginal additional-item rates for secondary items -- the mathematically fair cost of shipping a mixed box.
• Custom Shunting-Yard Formula Parser: Math operators (+, -, *, /, %, ^), comparison operators (<, >, <=, >=, ==, !=), logical operators (AND, OR, NOT), range/set checks (IN, BETWEEN, CONTAINS), and math functions (min, max, ceil, floor, round, abs).
• User-Role & Membership Awareness: Check [user="Role"], [user_email], or [user_role] directly in formulas.
• Priority Item-Specific Rules: Target Categories, Tags, Attributes, or Variations with exclusive matching.
• Location & Regional Overrides: Country, State, City, and ZIP pattern matching with automatic origin comparison ([is_international]).
• Interactive Live Preview Simulator (Card 4): Test carts, weights, and addresses with real-time recalculation and trace logs.
• Zero Database Bloat: No custom database tables. 334 automated unit & robustness tests across 4 test suites.

Installation

1. Download formula-rate-shipping.zip below.
2. In your WordPress admin, go to Plugins -> Add New -> Upload Plugin.
3. Choose formula-rate-shipping.zip and click Install Now, then Activate.
4. Configure in WooCommerce -> Settings -> Shipping.