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Php Interview Questions · IT Interview Practice
Home
/
#Php
#Php
25 questions
What is PHP and where is it used?
PHP
#language
Junior
›
What are PHP's variable types?
PHP
#language
Junior
›
How do arrays work in PHP?
PHP
#data-structures
Junior
›
How do you define functions with types and defaults?
PHP
#functions
Junior
›
How do you work with strings in PHP?
PHP
#language
Junior
›
What are PHP superglobals?
PHP
#language
Junior
›
What control-flow constructs does PHP have?
PHP
#language
Junior
›
How do classes and objects work in PHP?
PHP
#oop
Junior
›
What is the difference between include and require?
PHP
#language
Junior
›
What are the error/exception types in PHP?
PHP
#error-handling
Junior
›
How do inheritance, abstract classes and interfaces work?
PHP
#oop
Middle
›
What are traits and when do you use them?
PHP
#oop
Middle
›
How do namespaces work in PHP?
PHP
#language
Middle
›
What is Composer and how does autoloading work?
PHP
#tooling
Middle
›
How do type declarations and strict types work?
PHP
#language
Middle
›
How do you handle exceptions properly?
PHP
#error-handling
Middle
›
What are PHP magic methods?
PHP
#oop
Middle
›
How do sessions and cookies work in PHP?
PHP
#security
Middle
›
How does dependency injection work in modern PHP?
PHP
#architecture
Senior
›
What major features did PHP 8.x add?
PHP
#language
Senior
›
What are closures and callables in PHP?
PHP
#functions
Middle
›
How do enums work in PHP 8.1+?
PHP
#oop
Middle
›
What is late static binding (static:: vs self::)?
PHP
#oop
Middle
›
What are PSR standards and why do they matter?
PHP
#architecture
Senior
›
How would you tune a high-traffic WordPress site for performance?
Site Reliability & Operations
#wordpress
Senior
›