PHP

PHP

PHP

PHP file_exists() vs is_file(): Directory Bug Explained

Here is a bug that passes every test until a user without a profile picture shows up. You...

DK Dasun Kalupahana

October 23, 2026 3 min read

PHP

PHP

PHP Critical RCE Fix: Update to 8.5.12, 8.4.27, 8.3.36

On 21 October 2026 the PHP project released security updates for every supported branch, and the front page...

DK Dasun Kalupahana

October 22, 2026 6 min read

PHP

PHP

PHP PIE: Install PHP Extensions Now That PECL Is Deprecated

For years the answer to "how do I install a PHP extension?" was pecl install something. That answer...

DK Dasun Kalupahana

October 18, 2026 5 min read

PHP

PHP

PHP Enums From the Query String: tryFrom() vs from()

You add ?status=paid filtering to an endpoint, write Status::from($_GET['status']), and it works. Then somebody requests ?status=PAID or ?status=refunded...

DK Dasun Kalupahana

October 17, 2026 3 min read

PHP

PHP

How to Check if a String is Valid JSON in PHP

Handling JSON data is a daily task for most PHP developers. Whether you're processing API responses, reading configuration...

DK Dasun Kalupahana

November 8, 2025 2 min read

PHP

PHP

PHP Match Expression: A Modern Guide to Cleaner Code

If you’ve been writing PHP for a while, you’re intimately familiar with the switch statement. It's been a...

DK Dasun Kalupahana

November 7, 2025 3 min read