php odesk test Question Answer old

Question 1
The setrawcookie() method of setting cookie is different from php standard method of cookie setting as :
  1. It does not allow expiry time to be set
  2. It can be used only once
  3. It does not url- ENCODE the value on its own
  4. It does not allow domain setting
Ans: C
Question 2
IF visibility is not defined for a method /member then it is treated as public static.

  1. True
  2. False
Ans: B
Question 3
Which of the following is not a valid php connection status?
  1. Aborted
  2. Normal
  3. Open
  4. Timeout
Ans:  C
Question 4
Which of the following statements is not true with regard to abstract classes in php5?
  1. Abstract classes are introduced in php 5
  2. A class with a single abstract method must be declared abstract
  3. Abstract class can contain abstract methods
  4. Abstract method must have method definition and can have optional empty braces following it
Ans : C
Question 5
What will be the result of following operation?
Print 4<<5;
a.       3
b.      128
c.       120
d.      6
Ans: B
Question 6
Which of the following type cast in not correct?
$fig=23;
$varbl=(real)$fig;
$varb2=(double)$fig;
$varb3=(decimal)$fig;
$varb4=(bool)$fig;
?>
  1. real
  2. double
  3. decimal
  4. Boolean
Ans: C
Question 7
What is the result of the following expression?
5+2*4+6
  1. 70
  2. 19
  3. 34
  4. 21
Ans: B
Question 8
The classes are defined as follows
Abstract class BaseCls(
Protected abstract function getName();
}
Class childCls extends BaseCls{
}
Which of the following implementations of getName() in invalid in childCls?
a.       Protected function getName(){}
b.      Function getName(){}
c.       Private function getName(){}
d.      Public function getName(){}
Ans: D
Question 9
Multiple select/load is possible with:
  1. checkbox
  2. select
  3. file
  4. all of the above
Ans : A
Question 10
State whether true or false
Paamayim nekudotayim operator allows access only to the static members of a class?
a.       True
b.      False
Ans: A
Question 11
What is the output of the following code?
$a=500;
$b=200;
echo $a % 2 * $b;
?>
  1. 100
  2. 200
  3. 500
  4. 0
  5. Syntax error
Ans: D
Question 12
You need to heck the size of a file in php function .
$size=X(filename);
which function will suitable replace “X”?
  1. Filesize
  2. Size
  3. sizeofFile
  4. getSize
Ans: A

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Question 14
Which of the following is not true for a persistent connection?
  1. these are not closed even after the execution of the script
  2. these are mainly used to increase the efficiency of the system
  3. These can’t be converted to non-persistent connections
  4. These are preferable not used in the scripts involving transactions
Ans: D
Question 15
Which one is correct?
  1. $s=fwrite(“a string here”);
  2. $s=fwrite($fp,”a string here”);
  3. $s=fwrite(“a string here ”,$fp);
  4. none of the above
Ans B
Question 16
Which of the following in not a correct way of printing text in php 5
a.
echo “plain text”
?>
b.
c.
d.      <#
echo “plain text”
#>
Ans: C
Question 17
Which will be the output of the following code?
$a=0.0;
For($i=0;$i<10;$i++)
$a+=0.1;
print “$a\n”;
if ($a==1.0)
print “equals”;
else
print “not equals”;
?>
  1. 0.9
Not Equals
  1. 1
Equals
  1. 1
not Equals
  1. 1.1
Ans: C
Question 18
Which of the following attribute is needed for file upload via form?
  1. Enctype=”multipart/form-date”
  2. Enctype=”singlepart/date”
  3. Enctype=”file”
  4. Enctype=”form-data/file”
Ans: A
Question 19
Late php versions support remote file accessing for the functions:
  1. Include()
  2. Include_once()
  3. Require_once()
  4. All of the above
Ans : D

Posted by odesk test answers

Question 20
Given below is a small php script:
class person {
function getSal()
{
……
……
}
}
class emp extends person {
fucniton getSal()
{
???
}
}
?>
the getSal() of emp has to behave exacltyle as getSal() of person . Which of the following lines of code would you use to replace the “???”?
  1. Parent:: getSal();
  2. Person::getSal();
  3. Parent::getsal;
  4. Person::getSal;

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