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SaaS Architecture

Detect Hidden Document Text before LLM Ingestion

Sergey KornilovNovember 12, 2026

Compare extracted document text with OCR from rendered pages, quarantine mismatches, and keep untrusted files away from tool-enabled LLM agents.

PHP

Handle PHP zlib Warnings and Exceptions Consistently

Sergey KornilovNovember 12, 2026

Validate zlib options, bound decompression output, and convert operation warnings into a local exception without hiding unrelated PHP failures.

SQL

Store MySQL Dates beyond the 2038 TIMESTAMP Limit

Sergey KornilovNovember 12, 2026

Use DATETIME for future MySQL dates beyond 2038, store a defined UTC value, and keep time-zone conversion in a controlled application boundary.

PHP

Replace Curly-Brace String Offsets in PHP 8

Sergey KornilovNovember 12, 2026

Replace legacy $value{0} offset syntax with square brackets, then verify whether the code expects bytes, characters, or array elements.

JavaScript

Return Data from a Popup Window with postMessage

Sergey KornilovNovember 12, 2026

Send a small result from a popup to its opener with postMessage, while checking the exact origin, window source, and message shape.

PHP

Close PHP ZipArchive before Deleting Source Files

Sergey KornilovNovember 11, 2026

Call ZipArchive::close explicitly and check its result before deleting files added to the archive, because writing may be deferred until close.

PHP

Separate Symfony Stateless Routes from Remember-Me Login

Sergey KornilovNovember 11, 2026

Put stateless API routes under a separate Symfony firewall so remember-me authentication does not cause unexpected session access.

PHP

Validate Laravel Broadcasting Authentication Inputs

Sergey KornilovNovember 11, 2026

Validate socket_id and channel_name before Laravel broadcasting authentication so malformed requests return a client error instead of HTTP 500.

SaaS Architecture

Offboard a SaaS Tenant without Leaving Active Access

Sergey KornilovNovember 11, 2026

Disable new tenant activity first, revoke sessions and keys, then process retained data and backups through an auditable offboarding workflow.

JavaScript

Configure Credentialed CORS without Wildcard Origins

Sergey KornilovNovember 11, 2026

Allow cookies on cross-origin requests only for trusted origins, return an explicit origin, and keep shared caches correct with Vary: Origin.

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Recent Posts

  • Detect Hidden Document Text before LLM Ingestion
  • Handle PHP zlib Warnings and Exceptions Consistently
  • Store MySQL Dates beyond the 2038 TIMESTAMP Limit
  • Replace Curly-Brace String Offsets in PHP 8
  • Return Data from a Popup Window with postMessage

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