Variable names in php must start with

PHP Variables MCQs : This section focuses on "Variable" in PHP. These Multiple Choice Questions (MCQ) should be practiced to improve the PHP skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations.

1. Any variables declared in PHP must begin with a _____?

A. .
B. #
C. &
D. $

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2. A variable can have ________?

A. long descriptive names
B. short names
C. Both A and B
D. None of the above

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3. A variable name can only contain ____________?

A. alphanumeric characters
B. underscores
C. Both A and B
D. None of the above

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4. Variable names in PHP must start with ?

A. letter
B. underscore
C. no numbers
D. All of the above

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5. PHP variables are case-sensitive?

A. True
B. False
C. For "sum" variable it is case-sensitive
D. None of the above

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6. How many variable scope are there in php?

A. 2
B. 3
C. 1
D. 4

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7. What will be the output of the following PHP code?

 A. $x + $y
 B. 3
 C. 1+2
 D. 12
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8. What will be the output of the following PHP code?
 A. 1.3
 B. 1
 C. 0
 D. Error
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9. What will be the output of the following PHP code?
 A. 2
 B. 3
 C. 4
 D. 5
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10. What will be the output of the following PHP code?
 A. 1
 B. -1
 C. 2
 D. -2
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11. Variables are ________
for storing information.



 A. decimal
 B. storage
 C. numbers
 D. containers
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12. choose the incorrect variable name in php?
 A. $_AGE
 B. $18AGE
 C. $AGE18
 D. $_AGE18
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13. A variable declared _____ has a GLOBAL SCOPE?
 A. outside program
 B. inside
function
 C. outside function
 D. None Of the Above
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14. A variable declared _____ has a LOCAL SCOPE?
 A. outside program
 B. inside function
 C. outside function
 D. None Of the Above
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15. Which of the following will be output of the following code?
 
 A. 0
 B. 1

C. No Output
 D. Error
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16. Which of the following is NOT a superglobal variable ?
 A. $_SERVER
 B. $_GLOBAL
 C. $_GET
 D. $_POST
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17. Predict the output of the following code snippet :
 A. 11,11,11
 B. 10,11,11
 C. 10,11,10
 D. 10,10,10
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18. Predict the output of the following code snippet :
 A. 10,20,10
 B. 10,24,10
 C. 10,20,20
 D. 10,22,10
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19. Predict the output of the following code snippet :
 A. 201010
 B. 202010
 C. 101010
 D. 201020
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Answer
20. what $_SERVER variable do?
 A. Will give the information about all the predefined variables to know the server information
 B. To get the information about the files uploaded using POST methods
 C. When the information is passed using POST methods
 D. None of the above
View Answer

Also check : 
PHP Print MCQ
Discussion
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Is PHP variable case
			
Variables in PHP are represented by a dollar sign followed by the name of the variable. The variable name is case-sensitive.
		
			
What is PHP variable?
			
A variable in PHP is a name of memory location that holds data. In PHP, a variable is declared using $ sign followed by variable name. The main way to store information in the middle of a PHP program is by using a variable.
		
			
Which PHP variable name is invalid Mcq?
			
31) Which of the following variable name is invalid? Description: In PHP, a variable is declared using a $ sign followed by the variable name. A variable name must start with a letter or underscore (_) character. A PHP variable name cannot contain spaces.
		
			
Is PHP variable case
			
Answer: A) PHP variables are case-sensitive.