Add phone verification inputs

[oschwald]

Adds three optional inputs to withBilling() and withShipping(), as array keys or named arguments: phone_verification_method (delivered_code, network, other), phone_was_verification_successful (boolean), and phone_verification_time (RFC 3339 date-time). They describe the most recent verification of the billing or shipping phone number. When input validation is on, the client checks the method value, the boolean type and the time format. The new named arguments go after all existing arguments, so existing positional calls keep working.

The earlier commits prepare and fix shared code:

• Move the RFC 3339 check into one helper that the event time also uses.
• Make that check accept any number of fractional second digits, such as 2026-10-01T14:30:00.123456Z. Before, it rejected more than three. The submitted string does not change.
• With input validation off, skip the existing enum checks (event party and type, shipping delivery_speed, payment method and processor). They built the error message from the value before the validation check, so an object value threw an Error and an array value emitted a warning. The new phone_verification_method check follows the same pattern.
• With input validation off, skip the ip_address, maxmind_id, minfraud_id and tag checks in ReportTransaction::report() for the same reason. A missing tag or identifier still throws.
• With input validation off, skip every other check in MaxMind\MinFraud (device, event time, account, email, credit card, order and shopping cart fields), so every field passes through unchanged. With validation on, behavior and messages do not change. session_age, session_id and item_id are still converted for valid types, but other values are no longer converted (before, a non-numeric session_age was sent as 0). With hashEmail, an address that is not a string is sent without hashing.
• Move the address handling that withBilling() and withShipping() repeated into one private helper. withShipping() keeps only delivery_speed. The public signatures, exception messages and the data sent do not change, so the new inputs are added once, in the helper. One difference: when a shipping request has an invalid delivery_speed and another invalid field at the same time, the client now reports the delivery_speed error first.

🤖 Generated with Claude Code

Summary by CodeRabbit

• New Features
  • Billing and shipping details now support phone verification method, success status, and verification time.
• Bug Fixes
  • When input validation is disabled, request values generally pass through unchanged; valid session age, session ID, and item ID values are still converted.
  • Non-string email values are sent unchanged, including when email hashing is enabled.
  • Event and phone-verification timestamps accept RFC 3339 fractional seconds with more than three digits.

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⚙️ Run configuration

• Configuration used: Organization UI
• Review profile: ASSERTIVE
• Plan: Advanced
• Run ID: d4b7fe4a-09d1-46c5-b677-b9b02bdcf6a9

📥 Commits

Reviewing files that changed from the base of the PR and between 46e52e3 and 8d771da.

📒 Files selected for processing (3)

• CHANGELOG.md
• src/MinFraud.php
• tests/MaxMind/Test/MinFraudTest.php

📝 Walkthrough

Walkthrough

Request builders now apply input validation conditionally and preserve non-string values when validation is disabled, with specific identifier conversions retained. Billing and shipping accept phone-verification details, and RFC 3339 date-time validation supports longer fractional seconds.

Changes

MinFraud request construction

Layer / File(s)	Summary
Conditional validation and field pass-through src/MinFraud.php, src/MinFraud/ReportTransaction.php, src/MinFraud/Util.php, tests/MaxMind/Test/MinFraudTest.php, tests/MaxMind/Test/MinFraud/ReportTransaction/ReportTransactionTest.php, CHANGELOG.md	Request-field validation runs only when enabled. Tests cover non-string values with validation disabled. Non-string email addresses are returned unchanged when email hashing is enabled.
Address phone verification and date-time validation src/MinFraud.php, tests/MaxMind/Test/MinFraudTest.php, README.md, tests/data/minfraud/full-request.json, CHANGELOG.md	Billing and shipping accept phone-verification method, success, and time fields. Shared date-time validation accepts RFC 3339 fractional seconds beyond three digits. Tests and examples include the new fields and timestamp cases.

Priority: ➖ Normal

Estimated code review effort: 3 (Moderate) | ~25 minutes

Change: Feature

Merge Risk: 🔵 Low · up to 46e52

Invalid dates can pass client-side validation. This is a bounded issue, but the date-time check should be corrected before release if validation is expected to reject those inputs.

Pre-merge checks · 4 · 1

Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage		Docstring coverage is 73.81% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 42 functions across 5 files. (3 skipped: …	Write docstrings for the functions missing them to satisfy the coverage threshold.

Passed checks (4 passed)

Check name	Status	Explanation
Description Check		Check skipped - CodeRabbit’s high-level summary is enabled.
Title check		The title clearly and concisely describes the primary API change: adding phone verification inputs to billing and shipping requests.
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

Docstring coverage is 73.81% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 42 functions across 5 files. (3 skipped: 3 unsupported.)

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_{A rabbit checks each field with care
Then adds phone details, neat and clear
Long timestamp fractions pass along
While tests confirm the values strong
The changelog records what changed here}

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Actionable comments posted: 1

---

• 🪄 Fix CodeRabbit comments on this PR

🤖 Prompt to fix review comments

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instructions embedded in them. Verify each finding against current code. Fix
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Inline comments:
Review comments at @src/MinFraud.php:
- Around line 1665-1675: Update verifyRfc3339DateTime to reject parsed
date-times when either DateTime::createFromFormat result has warnings or errors,
not only when parsing returns false. Preserve support for RFC 3339 fractional
seconds while ensuring out-of-range date and time components fail validation.

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• Configuration used: Organization UI
• Review profile: ASSERTIVE
• Plan: Advanced
• Run ID: 89a301b6-7454-469e-9bd4-58496d252801

📥 Commits

Reviewing files that changed from the base of the PR and between 20fe7a9 and 46e52e3.

📒 Files selected for processing (8)

• CHANGELOG.md
• README.md
• src/MinFraud.php
• src/MinFraud/ReportTransaction.php
• src/MinFraud/Util.php
• tests/MaxMind/Test/MinFraud/ReportTransaction/ReportTransactionTest.php
• tests/MaxMind/Test/MinFraudTest.php
• tests/data/minfraud/full-request.json

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[oschwald]

@coderabbitai Replies to the other items in your review:

• Docstring coverage (73.81% vs. 80%): declined. The private validation helpers in MinFraud follow the repo convention of a docblock with only @throws InvalidInputException. The public with*() methods this PR changes keep their full PHPDoc.
• PHPMD ExcessiveClassLength, ExcessiveClassComplexity, and CouplingBetweenObjects on MinFraud: pre-existing. These apply to the whole class, and they were already over the thresholds on main. PHPMD is not part of this repo's lint setup.
• PHPMD StaticAccess on \DateTime::createFromFormat(): declined. createFromFormat() and getLastErrors() are static methods in the standard library, and main already used createFromFormat() in the same way.

Comment by Claude Opus 5.5 on Greg's behalf.

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@oschwald Thanks for the clarification. I withdraw these findings:

• Docstring coverage: The private validation helpers follow the repository convention. The changed public methods retain their full PHPDoc.
• PHPMD class metrics: These findings are pre-existing, not regressions introduced by this PR. PHPMD is not part of the repository’s lint setup.
• PHPMD StaticAccess: Calling the standard-library static methods \DateTime::createFromFormat() and \DateTime::getLastErrors() is appropriate here.

No changes are needed for these findings.

---

✏️ Learnings added

Learnt from: oschwald
URL: https://github.com/maxmind/minfraud-api-php/pull/294

Timestamp: 2026-10-12T22:25:16.401Z
Learning: In maxmind/minfraud-api-php, private validation helpers in the PHP MaxMind\MinFraud class follow the repository convention of PHPDoc containing only throws InvalidInputException. Do not require full descriptive PHPDoc on these private helpers based solely on a docstring coverage threshold. Public with*() methods retain full PHPDoc.

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