PHP Quizzes (MCQs)

Level 1 Fundamentals The Syntax
Intro & Syntax Tags, Comments, Case Sensitivity, Echo vs Print
01_SYNTAX
Variables & Constants Scope, Define, Const, Variable variables ($$)
02_VARS
Data Types Strings, Type Juggling, NULL, Booleans
03_TYPES
Control Logic If/Else, Switch, Ternary, Loops (Foreach)
04_FLOW
Level 2 Core Functionality Logic & Data
Functions Type Hinting, Closures, Arrow Functions
05_FUNC
Arrays Associative, Multidimensional, array_map, filter
06_ARRAY
Date & Time date(), strtotime(), DateTime Class
07_TIME
Level 3 Web Interaction The "H" in Hypertext
Superglobals $_GET, $_POST, $_SESSION, $_SERVER
08_SUPER
Form Handling Validation, Sanitization, CSRF Basics
09_FORMS
Headers & Redirection Status Codes, MIME Types, header()
10_WEB
Level 4 Object-Oriented Scalable Structure
OOP Basics Classes, visibility (private/public), Inheritance
11_OOP
Interfaces & Magic Abstract classes, __construct, __toString
12_MAGIC
Organization Namespaces, Autoloading, Composer
13_ORG
Level 5 Data & Databases Persistence
PDO & MySQLi Prepared Statements, Fetching modes, Security
14_DB
Data Formats json_encode, json_decode, XML basics
15_DATA
Level 6 Modern PHP Advanced Features
Security & RegEx password_hash, XSS, Preg_match
16_SEC
Modern Features (8+) Match expression, Enums, Nullsafe operator
17_PHP8