PHP CL

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[exakat, static analysis for PHP @exakat]

Yield or return, when using ... in a function call?

Not an easy question to ask on a first date.

#phptip #phptrick

https://t.co/9hiOfHlRTj

[The PHP Foundation @ThePHPF]

Announcing the Ecosystem Security Team at The PHP Foundation! Thanks to a grant from @AlphaOmegaOSS at @linuxfoundation this effort will improve security across the entire PHP ecosystem. The amazing Volker Dusch will be filling this role.✨ https://t.co/RlzS4isbiX #php #security

[Cyber Security News @The_Cyber_News]

⚠️ Critical Linux Kernel Flaw ‘ssh-keysign-pwn’ Exposes SSH Keys and Shadow Passwords

Source: https://t.co/wzp6CCp2lT

A newly disclosed Linux kernel vulnerability is raising serious concerns across the security community, as it allows attackers to access highly sensitive data, including SSH private keys and password hashes, on affected systems.

Tracked as CVE-2026-46333, the flaw has been nicknamed “ssh-keysign-pwn” and impacts a wide range of Linux distributions. The GitHub PoC ssh-keysign-pwn demonstrates exactly how to weaponize this race condition on pre‑31e62c2ebbfd kernels.

#cybersecuritynews #Linux

[The Hacker News @TheHackersNews]

🚨 NGINX bug (CVE-2026-42945) now under active exploitation.

Critical heap overflow in rewrite module. Attackers can crash workers with one request (possible RCE).

Patch now if using NGINX ≤1.30.0. Check rewrite/if/set rules.

Full details: https://t.co/b0fOIW3dze

[Uncle Bob Martin @unclebobmartin]

I just cancelled my Claude account. I've been using codex, and haven't used Claude in several weeks.

[exakat, static analysis for PHP @exakat]

Local variables cost nothing. #PHP preallocate them to speed up execution.

#phptip #phptrick

https://t.co/lIoDNZpAkf

[sysxplore @sysxplore]

A concise guide to TCP/IP and OSI Layers.

[Dhanian 🗯️ @e_opore]

LINUX FILE SYSTEM HIERARCHY (FHS – /, /home, /etc, /var, /usr)

The Linux File System Hierarchy Standard (FHS) defines how directories are structured
→ ensures consistency across Linux distributions
→ makes system navigation predictable for users and developers

ROOT DIRECTORY (/)

/
→ top-level directory of the entire file system
→ everything starts here

Contains
→ all other directories and files
→ mounted devices and partitions

HOME DIRECTORY (/home)

/home
→ stores user personal data

Structure
→ /home/user1
→ /home/user2

Contains
→ documents
→ downloads
→ configurations (user-level)

Purpose
→ separates user data from system files
→ safe for backups and restores

CONFIGURATION DIRECTORY (/etc)

/etc
→ system-wide configuration files

Contains
→ system settings
→ service configurations
→ startup scripts

Examples
→ /etc/passwd → user account info
→ /etc/hosts → hostname mappings
→ /etc/nginx → server configs

Purpose
→ central place for configuration
→ easy system management

VARIABLE DATA DIRECTORY (/var)

/var
→ variable and frequently changing data

Contains
→ logs
→ caches
→ spool files
→ databases

Examples
→ /var/log → system logs
→ /var/cache → cached data
→ /var/lib → application state

Purpose
→ stores dynamic system data
→ grows over time

USER PROGRAMS DIRECTORY (/usr)

/usr
→ user utilities and applications

Contains
→ binaries
→ libraries
→ documentation

Structure
→ /usr/bin → user commands
→ /usr/lib → libraries
→ /usr/share → shared resources

Purpose
→ read-only user programs
→ shared across system

HOW THEY WORK TOGETHER

System Boot
→ kernel mounts root (/)

System Services
→ read configs from /etc

User Logs In
→ accesses files in /home

Applications Run
→ binaries from /usr

System Activity
→ logs stored in /var

KEY DESIGN PRINCIPLES

Separation of Concerns
→ system files vs user data

Consistency
→ same structure across distributions

Scalability
→ supports small systems to enterprise servers

Security
→ controlled access to critical directories

SIMPLE FLOW EXAMPLE

User Command
→ executed from /usr/bin

Configuration
→ read from /etc

User Data
→ accessed in /home

Logs
→ written to /var/log

SUMMARY

/
→ root of everything

/home
→ user data

/etc
→ configuration

/var
→ dynamic data

/usr
→ applications and libraries

Together
→ form a structured, predictable, and scalable Linux file system

For a complete deep dive into Linux, system internals, and real-world engineering → get the Linux Mastery Ebook:
https://t.co/mCaIRlvD0A

[sysxplore @sysxplore]

Docker Components

[Elorm Daniel @elormkdaniel]

Understanding the Linux File System Layout

[exakat, static analysis for PHP @exakat]

Passing array by value, and updating its elements.

Nothing new, it is the readonly and array_fill() syndrom for arrays. Better know about it.

#phptip #phptrick

https://t.co/7MSG3Go4j5

[Martin Fowler @martinfowler]

NEW POST

Thoughtworks internal IT use a workflow for agentic programming called Structured-Prompt-Driven Development (SPDD). @WeiZhang595190 and Jessie Jie Xia describe how this works with a simple example plus details in a github project.

https://t.co/6cHnSPWr6L

[itewqq @lyq_sqsp]

Ubuntu 26.04 is hacked in ~12 hours after it was released. Security in the Age of AI?

[Carlos Buenosvinos @buenosvinos]

📘 "Domain-Driven Design in PHP" just got a 2nd edition — now with PHP 8.5 examples.

Entities, Value Objects, Aggregates, CQRS, Hexagonal Architecture, Bounded Contexts… all with real code.

By @carlosbuenosvinos @theUniC @keyvanakbary

🔗 https://t.co/J4PrxpAJpb

#DDD #PHP

[exakat, static analysis for PHP @exakat]

#PHP's NAN is 0 as an integer, 'NAN' as a string and not comparable with itself.

Also, there are now warning when using them, so no one can get hurt by this.

#phptip #phptrick

https://t.co/6BCeIdsThp

[exakat, static analysis for PHP @exakat]

#PHP numeric separator works well on integer, floats and also hexadecimals, octals and ... binary. And most useful in the latter, right?

0b1111_00_111_101_111

#phptip #phptrick

https://t.co/s4RlSV4fMD

[The PHP Foundation @ThePHPF]

PHP 8.6 kicks off with partial function application 💫

https://t.co/Jzi2D7OexC

[The PHP Foundation @ThePHPF]

PHP 8.5 Released! 🎉

In this new release we have:
– URI Extension
– Pipe Operator
– Clone With
– A new #[\NoDiscard] attribute
– Closures and first-class callables in constant expressions
– Persistent cURL share handles

Read all about it: https://t.co/RNfkvZSyHY

[ThePrimeagen @ThePrimeagen]

i have never read this

time to fix it

[Adriksh @Adriksh]

If you’re serious about becoming great in tech, here’s the hard truth:

learn C or C++ not because they’re trendy, but because they build your brain.

once you truly understand them:

> every new language feels like an easy dialect.

> you stop memorizing syntax and start understanding systems.

> you finally see what’s happening behind every line of code.

pair that with solid CS fundamentals + DSA, and you’re no longer just a coder you’re an engineer.