In the PHP community, "persistent connections" are often treated like a dark art; powerful, but prone to blowing up in your face. We've been told they cause "Too many connections" errors, stale data, and dangling transactions.
The truth? In high-traffic environments, persistent connections are your best friend. If you understand how PHP internals and networking flows actually work, they are the single most effective way to slash latency and stabilize your database.
Continue reading "The Persistent Myth: Why Your PHP App Needs Persistent Connection"
