PHP2- Page

A practical guide to PHP rate limiting with Redis, covering token bucket and sliding window algorithms, proper 429 responses, and per tier API limits.

A practical guide to a rest api in php without a framework, covering routing, PDO backed models, bearer token authentication, and JSON error handling.

A practical guide to validating and sanitizing user input in PHP forms, covering filter_var, allowlisting, context aware escaping, and safe file uploads.

Generate php and schema markup dynamically with a reusable PHP class covering nested Article and FAQ schema, safe output escaping, caching, and validation.

Build a redirect manager in PHP that replaces a bloated htaccess file with an indexed MySQL table, wildcard and regex matching, chain detection, and hit logging.

Build a php contact form with spam protection combining a honeypot field, IP rate limiting, server side validation, a CSRF token, and reCAPTCHA v3.

Write reliable send email code in PHP with PHPMailer and SMTP authentication, covering HTML emails, attachments, error handling, and safe testing.

Dynamic meta tags in PHP done wrong is a real XSS vector. Here's the escaping, truncation, and Open Graph pattern that actually holds up in production.