oDesk
PHP5 Test Answers 2013
1. Question: What is true regarding
this code?
Answer: setcookie will return true
2. Question: Which of the following
is not a correct way of printing text in php5?
Answer: echo “Plain text”;
3. Question: Which of the following
is not the correct way of starting a session?
Answer: session_initiate()
4. Question: Which of the following
functions do you need to implement HTTP Basic Authentication?
Answer: None of the above
5. Question: Which of the following
Command Line Interface constant is not defined in the CLI SAPI?
Answer: STDPRT
6. Question: Which of the following
statements is correct with regard to final and abstract?
Answer: a. An abstract class cannot
have final methods
7. Question: Which composite data types
are supported by php?
Answer: Array
8. Question: The default value of
register_globals in PHP is:
Answer: Off
9. Question: Which of the following
is not a valid PHP connection status?
Answer: open
10. Question: Choose the correct
statement:
Answer: include() includes and
evaluates a specific file require_once() includes and evaluates a specific file
only if it has not been
included before
11. Question: If the
session_cache_expire() is not set, then by default the session cache will
expire after:
Answer: 3 hrs
12. Question: What will be the
output of the following script?
$count=50;
Paamayim Nekudotayim operator
allows access only to the static members of a class? Paamayim Nekudotayim
operator allows access only to the static members of a class? Answer: function_exists
$i=4;
User Name:
Password:
class Manager{
Answer: 5+2 * 4+6
$var = 1 + “-1.3e3″;
function Argument()
{ $count++;
echo $count;
} Argument();
?>
Answer: It will print 1 13.
Question: State whether True or False
Answer: True
14. Question: Which of the
following statements is true with regard to comparisons in PHP5?
Answer: With (===) operator, object
variables are identical if and only if they
refer to the same instance of the
same class.
15. Question: What will be the
output of the following code?
$a = 0.0;
for ($i = 0; $i < a
=”=”">
Answer: 1
16. Question: What will be the
output of the following code?
$j=30;
$k=0;
$k=$j++/$i++;
echo $i . ” ” . $j . ” ” . $k . ”
“;
Answer: 5 31 7.5
17. Question: Which of the
following is a not a correct way of commenting in php? Answer: /#PHP Comment
18. Question: Following is a php code
block:
$m=9;
$n=99;
$z=8;
$z=$n++/$m++ + –$z;
echo $z;
what will be the output?
Answer: 18
19. Question: Which of the
following is the correct way of specifying default value?
Answer: function GetDiscount($Type
= “Special”) { . . . }
20. Question: With reference to the
following php script:
print ‘Text Line1′
print ‘Text Line2′
?> What will be the output on
running the script?
Answer: Error message will be
printed
21. Question: What will be the
ouput of the following code?
for ($i = 0; $i < i
=”=”">
0134
Question: Late PHP versions support
remote file accessing for the functions:
Answer: include_once()
require_once()
both of them
22. Question: You have designed a
user login form as follows:
How can you access the username
entered by the user in the ‘Validate.php’ webpage?
a. $var= $_POST['username'];
b. $var= $_REQUEST['username'];
c. import_request_variables(‘p’,
‘p_’);
$var= $p_username;
Answer: Both of them
23. Question: Which of the
following does not represent logical AND operator in PHP?
Answer: &
24. Question: Which of the
following is not true for a persistent connection?
Answer: These can’t be converted to
non-persistent connections
25. Question: Which of the
following are invalid data types in PHP?
Answer: char
26. Question: The Manager and
Office classes are as follows:
function printName() { echo
“Manager”; } } class Office{ function getManager() { return new Manager(); } }
$ofc = new Office(); ??? ?>
Which of the following should
replace ‘???’ to obtain the value of printName() function?
Answer:
$ofc->getManager()->printName();
27. Question: The classes are
defined as follows:abstract class BaseCls{ protected abstract function
getName();
} class ChildCls extends BaseCls{ }
Which of the following implementations of getName() is invalid in ChildCls?
Answer: public function getName(){}
28. Question: Which of the
following variable declarations within a class is invalid in PHP5?
Answer: var $term =3;
oDesk PHP5 Test Answers
29. Question: What will be the
output of following code? $arr = “a”; $arr[0]=”b”; echo $arr; echo $arr[0];
Answer: bb
30. Question: For the following
code: the output will be: Answer: 171
31. Question: What is the result of
the following expression? Question: What will be the output of following code?
echo $var; Answer: -1299
32. Question: What will be the
output of following code? $var1=”a”; $$var1=”b”; echo “$var1 $a”; Answer: a b
33. Question:What is the output of
the following code? $a = 500; $b = 200; echo $a % 2 * $b; ?>
Answer: 0
34. Question: What will be the
ouput of the following code? if (-1) print “true”; else print “false”; ?>
Answer: true
35. Question: What will be the
output of the following code?
echo 12 . 6;
Answer: 126
36. Question: Consider the
following sample code:
$x = 0xFFFE;
$y = 2;
$z = $x && $y;
What will be the value of $z?
Answer: 1
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