Monday, June 24, 2013

oDesk PHP Test And solutions 25.06.2013

oDesk PHP Answers and Questions 25.03.2013


PHP Test And solutions
Question.11.

which of the following are used for code reuse?

a. Loops
b. functions
c. Database
d. include files


Solution:

B,D

Question.13.

which of the following is the corect way of specifying default value?

a. Function GetDiscount($Type = "Special") {.........}
b. Function GetDiscount(Type := "Special") {.........}
c. Function GetDiscount($Type: = "Special") {.........}
d. Function GetDiscount($Type : "Special") {.........}

Solution:

Question.14.

Which of the following are ''magic constant'?

a. __LINE__
b. __FILE__
c __PRETTY_FUNCTION__
d __CLASS__
e. __METHOD__

Solution:

Question.15.

you have defined three variables $to, $subject, and $body to send an email. Which of the following methods would you use for sending an email?

a. mail($to, $subject,$body)
b. sendmail($to, $subject,$body)
c. mail(to, subject,body)
d. sendmail(to, subject,body)

Solution:

Question.16.

Which one of the following is turnary operator?

a. &
b. =
c. :?
d. ?:
e. +=
f. &&

Solution

D

Question.17.

What is the result of the following Exprssion?
5+2*4+6

a. 70
b. 19
c. 34
d. 21

Solution:
B

Question.18.

The default value of register global in PHP is:

a. Off
b. On

Solution:

A

Question.19.


What would b the outpur of the following code?

$string = 'good day';
$string = ucword($string);
echo $string;
?>

a. good day
b. GOOD DAY
c. Good Day
d. non of the above

Solution:

C

Question.20.

If you want to pass a value to a function by reference, the correct way is:

a. function ModifyReport(&$Rptfile){}
b. function ModifyReport($Rptfile){}
c. function ModifyReport(ByRef $Rptfile){}
d. function ModifyReport(&Rptfile){}

Solution:

D
Question.21.

What will be the output of the following code?

$a = 10;
echo "Value of a = $a";

a. value of a = 10
b. Value of a = $a
c. Undefind
d. Syntax Error

Solution:

A

Question.22.

Which of the following regualr expressions can be used to check the validity of an email address?

a. ^[^@]+@[^@]+\[^@]+$
b. ^[^@]+@[^@]+[^@]+$
c. $[^@]+@[^@]+\[^@]+^
d. $[^@]+@[^@]+.[^@]+^

Solution:

Question.23.

Which of the following is not represent logical AND operator in PHP?
a. &
b. &&
c. And
d. AND

Solution:
A

Question.24.

Which of the following are file PHP file Upload Related function?

a. upload_file()
b. is_upload_file()
c. move_upload_file()
d. Non of the above

Solution:

D

Question.25.

Does PHP support exceptions?

a. Yes
b. No

Solution:

A

Question.26.

Which of the following functions do you need to implement HTTP Basic Authentication?

a. Authenticate()
b. header()
c. basic_auth()
d. Non of the above

Solution:

D

Question.27.

What will be the output of the following code?

for ($i = 0; $i <>
{if($i == 2)
continoue;
print "$i\n";
}
?>

a. 0
1
2
3
4
5
b. 0
1
2
3
4
c. 2
d. 0
1
2
4
e. non of the above

Solution:

B

Question.28.

What will be the output of the following code?

echo 12 . 6;

a. 12 . 6
b. 126
c. 12.6
d. Error: You cannot add integers through the concatienation operator(.)

Solution:

Question.29.

Which of the following is not supported in PHP5?

a. Type Hinting
b. Reflection
c. Magic Methods
d. Object Cloning

Solution:

Question.30.

Which of the following are valid PHPdata types?

a. resource
b. null
c. boolean
d. string
e. Both a and c
f. b, c and d
g. All of the above

Solution:

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