Coursera Answers

Building Web Applications in PHP | Week 5 Practice Quiz Answer

Building Web Applications in PHP 

Week 5 Practice Quiz Answer

 

PHP

Question 1)
What does PHP stand for?

  • Private Home Page
  • PHP: Hypertext Preprocessor 
  • Personal Home Page
  • Personal Hypertext Processor

 

Question 2)
PHP Server scripts are surrounded by?

  • <?php>…</?>
  • <script>…</script>
  • <&>…</&>
  • <?php … ?>

 

Question 3)
The PHP syntax is most similar to:

  • Perl and C
  • VBScript
  • JavaScript
  • Fortran

 

Question 4)
Which of the following are operators in PHP?
  • ===
  • __
  • !=
  • ++
  • _:
  • .+

 

Question 5)
What is the output of the following?

123

 $x = 12;

 $y = 12 + $x++;

 echo “y = $y x = $x”;

  • y = 25 x = 13
  • y = 24 x = 12
  • y = 24 x = 13
  • y = $y x = $x

 

Question 6)
What value will var_dump show that echo will not show?

  • False

 

Question 7)
What is a correct way to add a comment in PHP?

  • <!– … –>
  • *..*
  • /* … */
  • <comment> … </comment>

 

Question 8)
All variables in PHP start with [_________] symbol. 

  • $

 

Question 9)
What is the value returned by: (int) 9.9 - 1
  • 8

 

Question 10)
Use the [_____] operator to test if two values are identical in both value and type.

  • ===

 

Question 11)
What is the value of $x?

$x = 1200 + “34”;

  • 1234

 

Question 12)
In PHP you can use both single quotes ( ‘ ‘ ) and double quotes ( ” ” ) for strings.

  • True
  • False

 

Question 13)
PHP and HTML cannot be intermingled in the same file.

  • True
  • False

 

Question 14)
Which escape sequences can be used in single quoted ( ‘ ) strings in PHP?

  • n
  • r
  • \

 

Question 15)
You cannot run PHP files from the command line.

  • True
  • False

 

Question 16)
You can run PHP files on a server.

  • True
  • False

 

Question 17)
In PHP, variable names are case sensitive.

  • True
  • False

 

Question 18)
In PHP, functions names are not case sensitive.

  • True
  • False