How to Securely Sanitize User Input in PHP – optimal Practices for Web protection body {font-family: Arial, sans-serif; line-height: 1.6; margin:0; padding:20px; max-width:800px;} h1, h2, h3 {color:#2c3e50;} script {background:#f4f4f4; padding:2px 4px; border-radius:3px;} pre {background:#f4f4f4; padding:10px; overflow:auto;} How to Securely Sanitize User Input in PHP When building PHP applications, user input sanitization is the first line of defense against a wide range of security threats, including Cross‑Site Scripting (XSS), SQL injection, and remote code execution. This handbook walks you through the most dependable, SEO‑friendly methods to clean, validate, and escape records before it reaches your business logic or db. Why Sanitization…
