Production PHP: UTF-8 safety, type strictness, structured logging, webhook deduplication.
How PHP's PCRE engine silently corrupts Devanagari text without the /u flag, the bullet-point production bug, diagnosing json_enco…
Why json_encode() output in onclick breaks HTML (and creates XSS), how JSON_HEX_TAG + htmlspecialchars(ENT_QUOTES) fixes it, and w…
Strict types and TypeError in production webhooks — the single missing argument that crashes a request after all work is done. Sta…
Correlation IDs per request, the production allowlist that keeps PII out of logs, LOCK_EX on every write, JSON_UNESCAPED_UNICODE, …
INSERT IGNORE as the atomic deduplication primitive — why SELECT+INSERT is wrong, TTL cleanup for the dedup table, and extending t…
TTS → conversion → upload → send: per-step logging, text fallback at every failure point, and the circuit breaker pattern to stop …
File-naming with zero-padded sequences, the migrations tracking table with checksum verification, ALGORITHM=INSTANT for live ALTER…
Production PHP patterns from real bugs: UTF-8 safety, JSON injection, type safety, structured logging, webhook deduplication, and schema migrations.
Complete guide to AI Munshi — a production WhatsApp legal agent built in PHP with persona routing, STT, TTS, and intent classification.
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