PHP Test 1 Review (PHP 1105) | 2025/2026 | 100+ Verified Q&A on PDO, OOP, Inheritance, Arrays, Exception Handling

This document includes 100+ fully verified and A+ graded review questions with answers for Test 1 in PHP 1105 (Introduction to the Pre-Health Professions) at Ohio University, tailored for the 2025/2026 academic year. It offers a comprehensive review of PHP programming concepts and serves as an excellent prep guide for students studying server-side web development using PHP, with an emphasis on object-oriented programming and database access using PDO. Core concepts and topics covered include: PHP Data Objects (PDO): understanding PDO architecture, multi-database support, prepare() method, fetchAll(PDO::FETCH_ASSOC), and exception handling with getMessage() OOP in PHP: static vs. instance methods, object instantiation, use of $this, visibility modifiers (public, private, protected), and the role of abstract classes and methods Inheritance and interfaces: single and multilevel inheritance, parent and child classes, method overriding, interface implementation, and access to superclass constructors using parent::__construct() Arrays and data structures: array_push, array_pop, array_shift, explode, is_array, and dynamic array behavior in PHP Exception handling in PHP: try, catch, throw blocks, exception class structure, and predefined exception types Syntax rules and error identification: differentiating between correct and incorrect method declarations, property access, and instantiation requirements This material is especially useful for: Computer science and IT students in beginner to intermediate PHP programming courses Web development students building skills in database-backed applications and OOP design Instructors and tutors designing practice tests or coding quizzes Students preparing for technical interviews or certifications involving PHP fundamentals The Q&A format is clear, practical, and aligned with the real structure of in-class and online tests, helping students reinforce their coding logic, syntax accuracy, and understanding of back-end programming principles. Keywords: PHP 1105 exam, PHP Data Objects, PDO fetchAll, object-oriented PHP, inheritance, static methods, interfaces, arrays in PHP, exception handling, try catch throw, parent constructor, visibility modifiers, dynamic arrays, PHP abstract class, Ohio University programming