Chapter 6: PHP

Question 1

Question

All PHP statements should be surrounded by which delimiters?

Answer

<php> and </php>
<script> and ></script>
<script><php> and </php></script>
<?php and ?>

Question 2

Question

A PHP statement is terminated with which symbol?

Answer

<end>
.
;
?

Question 3

Question

All variables in PHP start with which symbol?

Answer

Question 4

Question

In PHP, $content = "<p>Hello World</p>". Write a PHP statement that displays the content on the browser screen.

Answer

display($content);
echo$content;
echo "Hello World";
echo content;

Question 5

Question

In PHP, you can use either single quotes ('This is a string') or double quote ("This is a string") for strings.

Answer

true
false

Question 6

Question

In PHP, which of the following is the correct way to comment a single line?

Answer

<comment>This is a line of comment</comment>
<?php This is a line comment?>
//This is a line of comment

Question 7

Question

In PHP, which of the following is NOT a correct variable name?

Answer

$3val
$val3
$val_3
$val_of_3

Question 8

Question

In PHP, how do you add 1 to a variable called $i?

Answer

i++
i=+1;
++$i;
++i;

Question 9

Question

How does PHP receive the information from an HTML form that is submitted using he "post" method? Suppose in HTML there's a text box <input type="text"name="userinput">

Answer

$_POST["userInput"];
$_GET["userInput"];
$_USERINPUT();
$_GET(userInput);

Question 10

Question

When using the get method to submit an HTML form to a PHP file, the variables are displayed in the URL

Answer

true
false

Question 11

Question

Which of the following is a correct way to create and array in PHP?

Answer

$grades = array (78, 87, 95, 53);
$grades = (56, 78, 89, 90);
$grades = array ([56], [67], [78], [89]);
$grades = {56, 67, 78, 89};

Question 12

Question

Write a PHP statement to include a file called "footer.inc"

Answer

<?php include file = "footer.inc";?>
<?php include "footer.inc";?>
<?php include: "footer.inc;?>

Question 13

Question

In PHP, how do you retrieve the content from a file called feedback.txt and store the content in an array call $fileContent?

Answer

$fileContent = "feedback.txt";
$fileContent = php_read("feedback.txt");
$fileContent = file("feedback.txt");
$fileContent = file_read("feedback.txt");

Question 14

Question

In PHP file upload in regards to security, which of the following is a true statement?

Answer

Do not allow file uploads
It is safe as long as you don't allow .exe file upload
It is safe as long as the file size is small
It is safe as long as only an account holder can upload a file

Question 15

Question

In PHP what will $i+=2 do?

Answer

a typo
the value in the variable $i is increased by 2
the vriable $i now equals to 2
the value in the variable i is increased by 2

Question 16

Question

In PHP a session is used so that the server can remember the browser

Answer

true
false

Next up

Chapter 6: PHP

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Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

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	Created by Rebecca Walton almost 5 years ago