PHP is a server-side scripting language designed for web development, enabling dynamic page generation, server-side processing, and database interaction for web applications.

What are PHP magic methods?

Magic methods are special methods in PHP that are called automatically when certain conditions are met, such as __construct, __get, __set, __call, enabling operator overloading.

What is autoloading in PHP?

Autoloading is a mechanism in PHP that automatically includes class files when they are instantiated, eliminating the need for manual include statements using __autoload or spl_autoload_register.

PHP Interview Questions

321. How would you debug intermittent latency spikes in PHP systems?

322. What causes non-deterministic backend behavior in distributed PHP applications?

323. How do asynchronous race conditions emerge in distributed PHP systems?

324. How would you prevent stale-state propagation across backend services?

325. What consistency problems occur during optimistic event processing?

326. How would you reconcile conflicting writes in distributed architectures?

327. How do PHP systems support eventual consistency guarantees?

328. How would you synchronize distributed state across globally deployed services?

329. How do queue-heavy workloads affect PHP backend stability?

330. How would you optimize realtime PHP systems handling millions of updates?