State-of-the-art PHP engineering (2026 baseline, PHP 8.3+ floor, 8.5 current) for both writing new PHP and auditing existing PHP code. Covers strict_types and modern idioms (enums, readonly, match, fibers, property hooks), OWASP-grade security (SQL injection, XSS, file uploads, LFI/RFI, unserialize/
State-of-the-art PHP engineering (2026 baseline, PHP 8.3+ floor, 8.5 current) for both writing new PHP and auditing existing PHP code. Covers strict_types and modern idioms (enums, readonly, match, fibers, property hooks), OWASP-grade security (SQL injection, XSS, file uploads, LFI/RFI, unserialize/Phar object injection, sessions, password hashing, sodium, SSRF), framework-neutral web hardening, C