Ivan Mykhavko (@tegos) / Pinkary

Ivan Mykhavko

@tegos

Senior Backend Engineer, PHP/Laravel. Perf tuning, PHP internals. One fix in Laravel core.

30 Posts 450 Views

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tegos/laravel-telescope-flusher

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Ivan Mykhavko

@tegos

1w ago

app(SomeService::class) is resolved by the container, but it's still Service Locator, not DI. I went through four years of git history in a real Laravel project: 18 calls at the peak, zero now, and what actually removed them.

dev.to/tegos/app-is-not-dep...

app() Is Not Dependency Injection: 18 Calls Down to Zero

Ivan Mykhavko

@tegos

2w ago

OpenAI strict mode accepted 8 translations out of 30 as a valid answer: it checks the shape, not that every input got a reply. The fix is one required key per input row, so a short answer fails validation.

dev.to/tegos/schema-valid-i...

Schema-Valid Is Not Complete: Strict Output Answered 8 of 30

Ivan Mykhavko

@tegos

3w ago

Mail::alwaysTo() on staging only redirects the default mailer. Mail::mailer('billing') and notifications with their own mailer still email the real customer.

The fix is a global "to" in config/mail.php plus a test that walks every mailer.

dev.to/tegos/mailalwaysto-g...

Mail::alwaysTo() Guards One Mailer: The Staging Leak It Leaves Open

Ivan Mykhavko

@tegos

2mos ago

hash_equals('', '') returns true, so a Basic Auth middleware with an empty credential in config accepts a request that sends no Authorization header at all. The wrong-password test stays green the whole time, which is why it survives review.

Wrote up why it happens, the three states of that config value, and the guard that fails closed.

dev.to/tegos/hashequals-is-...

hash_equals('', '') Is true: When an Empty Config Opens Basic Auth

Ivan Mykhavko

@tegos

3mos ago

Brought travian-elephant-finder, a Node tool that hunts the best oases to raid in Travian, back from three years dead in a weekend with an AI agent. It handled the boring rewrites (dead token scrape to a real login API, report cleanup), but the ideas that actually made it better were still mine. Short honest take on where AI helps and where it does not, with a demo video in the post.

dev.to/tegos/hunting-elepha...