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PHP Basic Concepts Trivia Quiz

Test your knowledge of one of the internet's most popular languages.

A multiple-choice quiz by kwdesigner. Estimated time: 3 mins.

Author
kwdesigner

Time
3 mins

Type
Multiple Choice

Quiz #
252,806

Updated
Dec 03 21

# Qns
10

Difficulty
Average

Avg Score
7 / 10

Plays
857

One at a Time - Single Page - Timed Game

Question 1 of 10

1. Which tag indicates the start of a block of PHP code? Hint

< / php >

<-php->

< ? php

< php ? >

NEXT>

Question 2 of 10

2. A line of PHP code is terminated by this symbol... Hint

;

/ ]

NEXT>

Question 3 of 10

3. Which tag may be used to indicate a comment in your PHP code? Hint

All of these

NEXT>

Question 4 of 10

4. When released in 1995, the name PHP originally stood for... Hint

Hypertext Preprocessor

Personal Home Page Tools

Personal High Level Programming

Perl-like Hypertext Preprocessor

NEXT>

Question 5 of 10

5. Variables in PHP start with what symbol? Hint

NEXT>

Question 6 of 10

6. Which one of these variables has an illegal name? Hint

$MyNewVariable

$mynewvariable1

$My_New_Variable

$my-new-variable

NEXT>

Question 7 of 10

7. Which of the following would you use to display "Hello World" using PHP? Hint

document.write('Hello World')

echo (Hello World)

write "Hello World";

echo 'Hello World' ;

NEXT>

Question 8 of 10

8. To add 1 to the variable $myNum, use the following: Hint

$myNum*1 ;

$myNum++ ;

$myNum+ ;

$myNum -= 1 ;

NEXT>

Question 9 of 10

9. Which of the following is NOT a predefined global PHP variable? Hint

$_FILES

$GLOBALS

$_GLOBALS

$_GET

NEXT>

Question 10 of 10

10. Which of the following comparison operators will return TRUE if $a is not equal to $b? Hint

$a >= $b

$a != $b

$a == $b

$a === $b

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Quiz Answer Key and Fun Facts

1. Which tag indicates the start of a block of PHP code?

Answer: < ? php

PHP only parses code within its delimiters. Anything outside its delimiters is sent directly to the output and not parsed by PHP.

2. A line of PHP code is terminated by this symbol...

Answer: ;

PHP treats new lines as whitespace (except when inside string quotes). Statements are terminated by a semicolon, except in a few special cases.

3. Which tag may be used to indicate a comment in your PHP code?

Answer: All of these

// and /* * are also used in the C programming language which PHP was written in.

4. When released in 1995, the name PHP originally stood for...

Answer: Personal Home Page Tools

The original developer Rasmus Lerdorf released "Personal Home Page Tools" on June 8, 1995. A later development team chose the name "PHP: Hypertext Preprocessor."

5. Variables in PHP start with what symbol?

Answer: $

Variables must be prefixed with a dollar symbol and unlike function and class names, variable names are case sensitive.

6. Which one of these variables has an illegal name?

Answer: $my-new-variable

Dashes cannot be used in variable names.

7. Which of the following would you use to display "Hello World" using PHP?

Answer: echo 'Hello World' ;

You could also use the print() function to get a similar result.

8. To add 1 to the variable $myNum, use the following:

Answer: $myNum++ ;

The ++ operator increments a variable's value by one.

9. Which of the following is NOT a predefined global PHP variable?

Answer: $_GLOBALS

Most of the predefined "superglobal" variables in PHP begin with an underscore ($_GET, $_POST, $_FILES, $_ENV, $_SESSION), however $GLOBALS lacks the underscore.

10. Which of the following comparison operators will return TRUE if $a is not equal to $b?

Answer: $a != $b

Comparison operators allow you to compare two values.

Source: Author kwdesigner

This quiz was reviewed by FunTrivia editor crisw before going online.
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