-6207' Union All Select Null,null,null,char(113)||char(122)||char(106)||char(112)||char(113)||char(110)||char(117)||char(68)||char(76)||char(114)||char(89)||char(111)||char(84)||char(100)||char(85)||char(75)||char(116)||char(73)||char(83)||char(105)||char Online

$stmt = $pdo->prepare('SELECT * FROM users WHERE id = :id'); 2. Input Validation & Sanitization Never trust user-supplied data.

Strip out potentially harmful characters like ' , -- , or ; . 3. Use an ORM (Object-Relational Mapper) $stmt = $pdo->prepare('SELECT * FROM users WHERE id

Always patch your database management system (DBMS) and any web frameworks you use, as updates often include security fixes for known vulnerabilities. $stmt = $pdo->prepare('SELECT * FROM users WHERE id