PHP Variables and Datatypes , PHP

PHP Variables and Datatypes

Question: How do we declare constants variable?
A
constants $varname

B
varname constants

C
define()

D
$$varname

Note: Not available
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Question: What are the difference between print and echo?
A
echo faster than print

B
echo return value

C
print return value

D
echo return true

Note: Not available
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Question: ______________ data type are used to represent a single value.

A
Boolean

B
Scalar

C
Number

D
String

Note: Not available
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Question: Which are the example of compound data type?
A
array

B
object

C
String

D
Float

Note: Not available
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Question: Which statement is true about Type Juggling?

A
Varibles are sometimes automatically cast.

B
Convert on data type to another

C
Convert to object to Data Type

Note: Not available
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Question: How to get the type of the variable?
A
using getDataType function

B
using gettype function

C
datatype()function

D
settype() function

Note: Not available
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Question: How to convert types?
A
using getDataType function

B
using gettype function

C
datatype() function

D
settype() function

Note: Not available
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Question: Which of the example is reference assignment?
A
$value=”Hello” $value2=$value

B
$$value=”Hello” $value2=$value

C
$value=”Hello” $value2=&$value

Note: Not available
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Question: PHP comments for a single line have the following syntax:
A
/* comments /*

B
#

C
//

D
::

Note: Not available
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Question: In PHP, instructions are terminated with a _______.
A
;

B
#

C
!

D
%>

Note: Not available
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Question: How do we declare constants variable?

Question: What are the difference between print and echo?

Question: ______________ data type are used to represent a single value.

Question: Which are the example of compound data type?

Question: Which statement is true about Type Juggling?

Question: How to get the type of the variable?

Question: How to convert types?

Question: Which of the example is reference assignment?

Question: PHP comments for a single line have the following syntax:

Question: In PHP, instructions are terminated with a _______.