Send Telegram Bot Broadcasts from PHP Without 429 Errors
Queue recipients, respect per-chat and broadcast limits, honor retry_after, and checkpoint large Telegram bot broadcasts.
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Queue recipients, respect per-chat and broadcast limits, honor retry_after, and checkpoint large Telegram bot broadcasts.
Use a stable snapshot or cursor when possible, and add a high-water mark plus ID deduplication when an API exposes only limit and offset.
Remove the foreign key and every remaining index that references its column before dropping an introspected Doctrine DBAL column.
Verify CHECK constraint syntax against the actual database server when phpMyAdmin lint reports an error before execution.
Disable JIT as a controlled comparison, confirm the active FPM configuration, and isolate the request or trace that drives a PHP worker to 100% CPU.
Use a local HTTP server when modules, fetch requests, PHP, or browser origin rules make a page fail under a file URL.
Use TIMESTAMP for instants, include a supported numeric offset, and set the session time zone explicitly when storing ISO 8601 values.
Remove the invalid saved LoginCookieValidity preference, restore a positive configured value, and verify phpMyAdmin configuration storage.
Set both connectTimeout and socketTimeout, then enforce a pool-level acquisition deadline so MySQL connection initialization cannot wait forever.
Treat an Oracle commit failure as connection-fatal, close the Doctrine DBAL connection, and retry the complete unit of work on a clean connection.