PHP

IndexNow reaches Bing, Yandex, and Naver, not Google. Here's a real PHP integration, key generation, single and bulk submission, and reading response codes correctly.

A dynamic robots.txt PHP script can auto-block staging environments and generate rules from live config, but a single uncaught error can silently halt Google's crawl for 12 hours. Here's how to build it safely, with real code and real server proof.

A PHP sitemap index generator is easy to build but easy to get wrong Google's own team confirmed in 2026 that a single bad lastmod date can get an entire sitemap's dates ignored. Here's how to build one with real, verifiably accurate dates and real gzip compression.

A hands on guide to php error logging and monitoring, covering structured JSON logs, safe log fields, alert thresholds, and a real webhook alert.

A practical guide to generating PDF reports in PHP, covering HTML templates, real conversion with wkhtmltopdf, verification, and secure file delivery.

A practical guide to building a PHP authentication system covering password_hash, session security, CSRF tokens, and secure cookie configuration.

A practical guide to PHP PDO prepared statements covering placeholders, fetch modes, transactions, and error handling for safe MySQL queries.

A practical guide to PHP cron jobs covering file locking, structured logging, failure alerts, and testing a scheduled task without waiting for the clock.

A practical guide to caching database queries in PHP with Redis, covering cache aside, TTL strategy, invalidation on write, and stampede protection.

A practical guide to PHP file upload security covering content verification, safe storage outside the web root, virus scanning, and randomized filenames.