PHP

Correct Answer : B. 1 or more
+ requires at least one occurrence. (From Chapter 12 : Form Validation and Regular Expressions)

Correct Answer : A. Fatal error: Call to undefined function
The extension no longer exists. (From Chapter 33 : PHP and MySQL – The Classic mysql API)

Correct Answer : B. asort()
asort() keeps keys with their values. (From Chapter 9 : PHP and Arrays)

Correct Answer : D. Interchangeable components
Views and controllers can be swapped without touching the model. (From Chapter 19 : PHP and MVC (Model–View–Controller))

Correct Answer : B. \
PHP uses the backslash. (From Chapter 16 : PHP Namespaces)

Correct Answer : B. 5
Post-increment returns the old value, then increments. (From Chapter 5 : Operators and Expressions)

Correct Answer : C. glob()
glob() works with wildcard patterns. (From Chapter 25 : Class/Object, Function Handling, Directory and File Functions)

Correct Answer : A. 1 January 1970 GMT
Timestamps count seconds from 1 January 1970. (From Chapter 24 : Date, Time and Calendar Functions)

Correct Answer : D. Waiter
PHP is the waiter – it carries the visitor's request and instructions between the patron and the kitchen. (From Chapter 1 : AMP Basics – Apache, MySQL and PHP)

Correct Answer : B. session_register()
Use $_SESSION instead. (From Chapter 28 : Network, Output Buffer, Configuration and Session Functions)

Correct Answer : A. static
static variables are initialised once and retain their value. (From Chapter 4 : Constants, Variables and Data Types)

Correct Answer : A. json_encode()
json_encode() produces a JSON string. (From Chapter 39 : PHP and AJAX)

Correct Answer : A. Tree-based parser
It builds the whole document as a tree. (From Chapter 38 : XML with PHP)

Correct Answer : B. PHPSESSID
PHPSESSID, configurable with session.name. (From Chapter 31 : State Management – Sessions)

Correct Answer : D. Redirect the browser
The Location header tells the browser to load another URL. (From Chapter 26 : Error, HTTP, Mail and Mathematical Functions)

Correct Answer : A. new
new instantiates a class. (From Chapter 17 : Object-Oriented PHP – Classes and Objects)

Correct Answer : A. 7.0
Deprecated in 5.5, removed in 7.0. (From Chapter 27 : MySQL Functions and their MySQLi Equivalents)

Correct Answer : B. Execution falls through to the next case
Without break, the following case's statements also run. (From Chapter 6 : Conditional Statements)

Correct Answer : A. do…while
do…while checks the condition after the body. (From Chapter 7 : Looping Statements)

Correct Answer : B. MariaDB
XAMPP has shipped MariaDB (a drop-in replacement for MySQL) since 2015. (From Chapter 2 : XAMPP – Installation, Configuration and Use)

Correct Answer : D. The value returned by config.php
An included file can return a value to the caller. (From Chapter 13 : Server Side Includes – include and require)

Correct Answer : D. private
A private constructor prevents creating instances with new. (From Chapter 18 : Object-Oriented PHP – Abstraction, Overloading, Iteration and Patterns)

Correct Answer : A. <!--
<!-- is an HTML comment and would be sent to the browser. (From Chapter 3 : PHP – Hypertext Preprocessor: Introduction and Syntax)

Correct Answer : C. each()
each() was removed in PHP 8.0. (From Chapter 23 : Apache and Array Functions)

Correct Answer : A. AllowOverride
AllowOverride controls what .htaccess may change. (From Chapter 22 : .htaccess Security)

Correct Answer : A. Open Database Connectivity
It is a standard database API. (From Chapter 37 : Database Support using ODBC)

Correct Answer : A. The AUTO_INCREMENT id of the last INSERT
It is the id generated by the last INSERT. (From Chapter 35 : PHP and MySQLi – Object-Oriented Style)

Correct Answer : A. Content-type: text/html
Together with MIME-Version: 1.0. (From Chapter 15 : PHP and E-Mail)

Correct Answer : C. mysqli_affected_rows()
It reports rows affected by the last change. (From Chapter 34 : PHP and MySQLi – Procedural Style)

Correct Answer : D. Pending
It waits for a moderator to publish it. (From Chapter 40 : Content Management System (CMS) – Concepts)

Correct Answer : A. An integer
The second letter, i, means integer. (From Chapter 36 : MySQLi Prepared Statements, Transactions and Security)

Correct Answer : B. move_uploaded_file()
It moves the temporary upload to its final location. (From Chapter 14 : PHP and the File System)

Correct Answer : C. $g is optional with default "Hi"
A parameter with an assigned value has a default and is optional. (From Chapter 10 : User-Defined Functions)

Correct Answer : C. GET
GET appends the data to the URL. (From Chapter 11 : PHP Form Handling)

Correct Answer : C. setcookie("c", "v", time() + 3600)
The expiry is a Unix timestamp: now + 3600 seconds. (From Chapter 30 : State Management – Cookies and Query Strings)

Correct Answer : D. InnoDB
InnoDB has been the default since MySQL 5.5. (From Chapter 32 : Database Support and MySQL Fundamentals)

Correct Answer : D. mb_strlen()
mb_strlen() is multibyte-aware. (From Chapter 8 : PHP and Strings)

Correct Answer : B. is_published = 0
It stays pending until a moderator publishes it. (From Project 1 : Project – A Mini Content Management System with PHP and MySQLi)

Correct Answer : C. split()
split() was one of the removed POSIX regex functions. (From Chapter 29 : String, Variable and Miscellaneous Functions)

Correct Answer : A. finally
finally runs whether or not an exception occurred. (From Chapter 20 : Error and Exception Handling)

Correct Answer : A. INPUT_GET
INPUT_GET refers to $_GET data. (From Chapter 21 : PHP Filters)