Inquiry Repair Lab - WordPress engineering sample
Tested: 09/08/2026 11:58:21
WordPress: 7.1
PHP: 8.3.33
Database: Playground SQLite integration
Plugin SHA256: 1ae0fec9a492ff1633893aa2e6b6faf3fbedd1414276ffc795792c03a99efb08

16 passing integration checks:
PASS - WordPress page renders the fictional form before submissions
PASS - WordPress REST request reaches wp_mail with fixed test recipient and reply address
PASS - Separate HTTP request reuses the persisted result without another mail call
PASS - Reusing a reference for different request content is rejected
PASS - return-false is held for review and a repeat does not resend
PASS - throw is held for review and a repeat does not resend
PASS - Overlapping repeat requests cause one mail attempt
PASS - malformed JSON rejected before mail
PASS - extra personal-data fields rejected before mail
PASS - unsupported scenario rejected before mail
PASS - invalid reference rejected before mail
PASS - oversized body rejected before mail
PASS - Wrong content type rejected before mail
PASS - Foreign origin rejected before mail
PASS - Disabled sandbox flag prevents mail calls
PASS - Production environment prevents mail calls even with the sandbox flag

Limits:
- Local WordPress/PHP fixture only, not client work.
- pre_wp_mail is intentionally intercepted; no SMTP or internet delivery is tested here.
- The overlap check runs with one PHP worker and does not prove multi-worker race safety.
- Persistence is verified across separate PHP/HTTP requests, not a host crash or server restart.
- No production form plugin, hosting stack, spam controls, retention policy, or email provider is certified by this test.