oDesk PHP Test And solutions 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: