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itflow/plugins/vendor/doctrine/lexer/UPGRADE.md
johnnyq 2204bd52f4 Rewrite email parser using ImapEngine, harden processing loop
Replace webklex/php-imap with directorytree/imapengine in the ticket
email parser. ImapEngine is pure PHP over sockets.

Parser improvements:
- Wrap per-message processing in try/catch so one malformed email
  can't abort the run; failures are flagged and logged with UID
- Query unseen + unflagged so previously-failed (flagged) messages
  are no longer re-processed on every cron run
- Skip vacation/auto-responder emails (RFC 3834) to prevent mail
  loops with the ticket auto-reply
- Cap messages per run (50) and attachment size (15MB); inline
  images over 2MB are stored as attachments instead of base64-embedded
  in ticket details
- Atomic lock file creation
- preg_quote() the ticket prefix in subject matching
- Dedupe CC watchers and exclude the sender
- Map webklex 'tls' encryption setting to STARTTLS for compatibility

NDR/DSN parsing now walks MIME parts via the underlying
zbateson parser instead of relying on attachment extraction.
2026-06-12 16:56:39 -04:00

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Note about upgrading: Doctrine uses static and runtime mechanisms to raise
awareness about deprecated code.
- Use of `@deprecated` docblock that is detected by IDEs (like PHPStorm) or
Static Analysis tools (like Psalm, phpstan)
- Use of our low-overhead runtime deprecation API, details:
https://github.com/doctrine/deprecations/
# Upgrade to 3.0.0
`Doctrine\Common\Lexer\Token` no longer implements `ArrayAccess`.
Parameter type declarations have been added to
`Doctrine\Common\Lexer\AbstractLexer` and `Doctrine\Common\Lexer\Token`.
You should add both parameter type declarations and return type declarations to
your lexers, based on the `@return` phpdoc.
# Upgrade to 2.0.0
`AbstractLexer::glimpse()` and `AbstractLexer::peek()` now return
instances of `Doctrine\Common\Lexer\Token`, which is an array-like class
Using it as an array is deprecated in favor of using properties of that class.
Using `count()` on it is deprecated with no replacement.