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PHP Mastery & Professional Certification Exam
Validate your complete server-side engineering and database proficiency
Congratulations on reaching the final milestone of the Codexia PHP Track. Complete this final certification assessment to earn your verified credential.
PHP Engineering Competencies Reviewed
Web request lifecycle: Client browser -> NGINX/Apache -> FastCGI Process Manager (PHP-FPM) -> HTML/JSON output.
Data structures: Numeric and associative arrays, array transformations, and memory efficiency.
Security standards: Parameterized PDO queries, password hashing with password_hash(), XSS defense via htmlspecialchars(), and CSRF protection.
Object-Oriented Design: Class inheritance, interfaces, typed constructor property promotion, and PSR-4 modularity.
Achieve 100% on this exercise to unlock your downloadable, shareable Codexia PHP Developer Certificate.
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Test Yourself With Exercise
Which built-in PHP function securely hashes user passwords using state-of-the-art bcrypt or Argon2 algorithms?