Jeroen Derks - Blog about PHP/Laravel and other topics — Atom feed

An anti-phishing code signals that an email is from the sender it claims, but it never checks where the links go.

I filed the always-show-the-URL request with 9 email apps.

Reveal URLs shows each link's real destination — in red by default when a link's visible text itself contains a URL or host for a different site than its real destination — so phishing is obvious before you click.

Authentication standards prevent spoofing but not link-based phishing.

How I use AI agents like Claude Code and Codex in a structured plan-review-iterate workflow to build software across multiple technology stacks.

How to protect copies of your ID card or passport.

Laravel Blade Lint - A syntax validation tool for Laravel Blade templates.

A practical guide to backup strategies: the 3-2-1 rule, encryption, offsite storage, and the best backup tools for Mac, Windows, and Linux.

How can you best determine the full URL of the current page/script in PHP?

What's my IP address | What's your IP address - Now easy to remember using curl command line (with extras)

A simple shell script (upgrade-phpmailer.sh) to find and update all PHPMailer installations on your server in response to CVE-2016-10033 and CVE-2016-10045.

Create a Magento coupon (and the underlying shopping-cart rule with product conditions) entirely from PHP code, including a worked example for a single-product discount.

Add customer authentication to a custom Magento API call by reusing the storefront login() function and validating the supplied customer credentials before serving any data.

A practical list of questions to ask when interviewing a candidate Magento developer, covering general PHP, Magento architecture, theming, modules and database knowledge.

A curated list of Magento Connect extensions that have proved genuinely useful in everyday development, store administration and shop owner workflows.

Products imported into Magento appear in the database but no longer show up in the admin or on the storefront — here is a possible cause and how to recover the visibility quickly.

How to repair, regenerate or work around a corrupted, empty or missing Thunderbird popstate.dat file after a crash, with a small Perl helper to rebuild it from the POP3 server state.

Display your Magento extension version directly in the admin configuration section using a helper, an admin block, and a small system.xml change — no more round trips to Magento Connect Manager.

EmailImages: a Magento extension that automatically downloads, caches and attaches images referenced in HTML email bodies so they display reliably for recipients.

Enable cache for Ecomdev_PHPUnit when writing PHPUnit unit tests for Magento extensions, with mock cache models and replacement of canUse() for selective cache use.