PHP: MYSQL 100 Tests, Answers & Explanations, Pass Final Exam, Job Interview Exam, Engineer Certification Exam, Examination, PHP programming, PHP in easy steps: A Beginner's Guide

"The PHP 100 Tests, Answers & Explanations" is a useful book for beginners. This book can help you to:
Pass the final examination;
Pass the job interview examination;
Pass the engineer certification examination;

From this book, you can test:
PHP Basic; Control Statement;
Class, Object, Method & Interface; String ;
Array, File Handling, Cookies and Sessions, MySQL;
……

Table of Contents
Chapter 1 PHP Basic
Chapter 2 Statements
Chapter 3 Array
Chapter 4 Dynamic Data
Chapter 5 File Process
Chapter 6 Class & Object
Chapter 7 MySQL
Chapter 8 MySQL & PHP
Chapter 9 Advance PHP
Chapter10 Errors

Test example 1:
21. What is the output in the following code?
$arr=array(5=>100, 101, 102, 103, 10>=105);
echo $arr[9];
?>
A. 9
B. 104
C. 0 or no output
D. null
Answer : ……
Explanation: ……

Test example 2:
100. To record the IP address of visitors to the web page, use______.
A. $_SERVER[‘HTTP_REFERER’]
B. $_SERVER[‘PHP_SELF’]
C. $_SERVER[‘HTTP_USER_AGENT’]
D. $_SERVER[‘REMOTE_ADDR’]
Answer : ……
Explanation: ……