Nette Blog

Want to know more about Nette? You've come to the right place. Here you will find all the tips, tricks, tutorials. Information for beginners and experts.

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Your AI Agent Is Only as Good as Your Types

AI agents don't read your screen. They need types they can verify and a feedback loop they can run. Nette has been typed to the bone for years, and now all packages pass PHPStan level 8, giving agents firm ground to generate and tune your code.

10 hours ago

Component Model 4.0: top-down and no more magic

Version 4.0 removes deprecated parameters from `getComponents()`, drops SmartObject from the base class, and introduces a key behavioral change: monitoring callbacks now fire top-down instead of bottom-up, fixing cases where callbacks ran on components that had already left the tree.

yesterday

A Quarter Century of CSRF. Now the Browser Finally Handles It

Today, browsers send Sec-Fetch headers that reveal the origin of each request. Find out how Nette 3.4 builds on this principle to introduce the new isFrom() API, which provides automatic CSRF protection without tokens and renders addProtection() obsolete.

13 days ago

Nette Http 3.4.0 Brings Protection Against SSRF Attacks

Server-Side Request Forgery (SSRF) is one of the most critical OWASP vulnerabilities in modern PHP apps. Discover how to prevent SSRF and DNS rebinding attacks with a single line of code using the new UrlValidator in Nette Http 3.4.0. Protect your cloud infrastructure today.

13 days ago

Tracy Learned to Speak with AI Agents

Tracy 2.12 revolutionizes PHP application debugging. It adds a parallel markdown layer to the JS console and .md files to logs, letting AI agents (such as Claude Code) read error outputs, dumps and BlueScreen without parsing HTML.

about a month ago

Process: running external programs from PHP without the pain

Executing external programs in PHP doesn't have to be a nightmare. Discover Nette Process, a safe and robust alternative to proc_open() and shell_exec(). Easily handle real-time outputs, process timeouts, and pipes across all operating systems.

2 months ago

Latte as a Ghost in the Machine: a Template Compiler for Tracy

How do you write secure PHP templates without adding any runtime dependencies? Discover how Latte works as a build-time compiler for Tracy. Generate clean .phtml files, avoid manual htmlspecialchars, and achieve true type-safety.

2 months ago

Five New Features in Latte 3.1 That Will Make Your Life Easier

New filters |column, |commas, and |limit, improved |slice for iterators, no more variable leaking from foreach, and automatic indentation removal. No revolution, but little things you'll appreciate every day.

3 months ago

The Case of the Blocked Pipe

For fourteen years, I tried to figure out why parallel tests on Windows take 7× longer than on Linux. A story full of dead ends, deadlocks, and a twenty-year-old bug in PHP that someone finally fixed.

6 months ago

Less Boilerplate, More Types: Introducing #[TemplateVariable]

The new attribute in Nette 3.2.9 automatically exposes presenter properties in the template – without manual assignment via `$this->template`. It eliminates boilerplate code and you naturally get type checking thanks to PHP, IDE, and static analysis.

6 months ago

Latte 3.1: When a templating system truly understands HTML

Version 3.1 introduces Smart HTML Attributes: null removes the attribute, booleans work intuitively, arrays natively render into class and data-*. Together with nullsafe filters, strict types, and runtime type checking, this is the biggest DX improvement since version 3.0.

7 months ago

Nette Tester: HTTP testing has never been so easy

The new HttpAssert class in Nette Tester 2.5.6 lets you automatically verify status codes, headers, redirects, and response content. No more manually clicking through your website after every server configuration or nginx rule change.

11 months ago

{linkBase} brings consistency to linking

Shared layouts with relative links broke when used by presenters from different levels of the directory structure. A new Latte tag in Nette Application 3.2.7 defines the base for relative links, so the layout works correctly regardless of which presenter calls it.

11 months ago

Nette Assets: Finally unified API for everything from images to Vite

A new library that automatically handles versioning, image dimensions, and Vite integration. It works without configuration, and thanks to custom mappers, it covers anything – from product images to dynamic OG image generation.

about a year ago

Architecture That Grows with Your Project

Where to put presenters and classes? A new chapter in the Nette documentation introduces a domain-oriented directory structure that is understandable at first glance and naturally evolves as the project grows.

about a year ago

One line in configuration will speed up your Nette application. How is that possible?

Thanks to lazy objects in PHP 8.4, services in the DI container are created only at the moment of actual use. Nette DI 3.2.4 makes it possible to activate this with a single line in the configuration – without any changes to your code.

about a year ago

Write Safer Code with the New Nette Database Documentation

The completely revamped Nette Database documentation covers all features of the library and introduces a brand new section with a thorough analysis of security risks. Practical examples of SQL injection and its prevention will help you write not only functional but also secure code.

about a year ago

Nette PHP Generator Brings the Power of PHP 8.4

Version 4.1.7 adds support for property hooks and asymmetric visibility. See how to elegantly generate modern code without getters and setters, define properties in interfaces, and fine-tune access to object properties.

2 years ago

Nette Utils: Performance and Efficiency Generators

Reading large files line by line, lazy mode in matchAll(), and the new Iterables class – three areas where Nette uses PHP generators to save memory and boost performance, without requiring you to change the way you write your code.

2 years ago

Latte: One Line and Localization Done for You

Latte 3.0.18 introduces locale settings and a new localDate filter that automatically adapts the format of dates, times, and numbers to local conventions. You specify the format once and Latte handles the order, separators, and translations for any language.

2 years ago

Group and Sort Data in Latte Like a Pro

Latte introduces a new |group filter for grouping data by any criteria and an extended |sort filter with by and byKey parameters. Organizing and sorting data directly in templates has never been easier.

2 years ago

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