PHP interview questions
Study 10 topics in order — from setup and basics to the questions interviewers actually ask. Answers include code, tables, and a short speaking tip.
PHP Basics & Syntax
Core PHP fundamentals every interviewer checks first: syntax, data types, variable scope, operators, includes,...
Object-Oriented Programming in PHP
Master Object-Oriented Programming in PHP, including classes, inheritance, polymorphism, encapsulation, interf...
Arrays & String Functions
Learn key PHP array and string manipulation methods. Essential for sorting, filtering, merging, and text proce...
Error & Exception Handling
Understand PHP error levels, try-catch blocks, custom exception handling, and debugging strategies for robust...
Sessions, Cookies & State Management
Master stateless protocol state management. Secure and handle user sessions, cookies, session hijacking, and C...
Database Connectivity (MySQLi/PDO)
Master database interactions in PHP. Learn prepared statements, PDO bindings, transaction safety, and performa...
Laravel Framework Fundamentals
Learn core Laravel framework components, routing, middleware, controllers, service containers, and dependency...
RESTful API Development in PHP
Design and build secure, standard RESTful APIs in PHP. Handle headers, request methods, JSON formatting, statu...
Security Best Practices
Learn to protect PHP apps from SQL Injection, XSS, CSRF, and remote code execution. Cover data sanitation and...
Performance Optimization & Caching
Optimize PHP application performance. Learn OPcache, Redis/Memcached integration, profiling, and efficient dat...