UpWork PHP 5 Test Answers

Question: What is true regarding this code? Answer: setcookie will return true

Question: Which of the following is not a correct way of printing text in php5? Answer: echo “Plain text”;

Question: Which of the following is not the correct way of starting a session? Answer: session_initiate()

Question: Which of the following functions do you need to implement HTTP Basic Authentication? Answer: None of the above

Question: Which of the following Command Line Interface constant is not defined in the CLI SAPI? Answer: STDPRT

Question: Which of the following statements is correct with regard to final and abstract?Answer: a. An abstract class cannot have final methods

Question: Which composite data types are supported by php? Answer: Array

Question: The default value of register_globals in PHP is: Answer: Off

Question: Which of the following is not a valid PHP connection status? Answer: open

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

Question: If the session_cache_expire() is not set, then by default the session cache will expire after: Answer: 3 hrs

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

Question: $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

Question: State whether True or False Answer: True

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.

Question: What will be the output of the following code?
$a = 0.0;
for ($i = 0; $i < a =”=”"> Answer: 1

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

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

Question: Which of the following is the correct way of specifying default value? Answer: function GetDiscount($Type = “Special”) { . . . }

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

Question: Late PHP versions support remote file accessing for the functions: Answer: include_once()
require_once()
both of them

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

Question: Which of the following does not represent logical AND operator in PHP?Answer: &amp

Question: Which of the following is not true for a persistent connection? Answer: These can’t be converted to non-persistent connections

Question: Which of the following are invalid data types in PHP? Answer: char

Question: Which of the following should replace ‘???’ to obtain the value of printName() function? Answer: $ofc->getManager()->printName();

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(){}

Question: Which of the following variable declarations within a class is invalid in PHP5?Answer: var $term =3;

Question: What will be the output of following code?
$arr = “a”;
$arr[0]=”b”;
echo $arr;
echo $arr[0]; Answer: bb

Question: For the following code:
the output will be: Answer: 171

Question: What will be the output of following code?
echo $var; Answer: -1299

Question: What will be the output of following code?
$var1=”a”;
$$var1=”b”;
echo “$var1 $a”; Answer: a b

Question:What is the output of the following code?
$a = 500;
$b = 200;
echo $a % 2
* $b;?> 

Answer: 0

Question: What will be the ouput of the following code?
if (-1)
print “true”;
else
print “false”;?> 

Answer: true

Question: What will be the output of the following code?
echo 12 . 6; Answer: 126

Question: What will be the value of $z?
Answer: 1