Zend Preparation | Online PHP Quiz

PHP Basics singleQuestion

1/260

What will be the output of the following PHP code ?

<?php
for ($i = 0; -5 ; $i++)
{
    print"$i";
    if ($i == 3)
        break;
}
?>

01234

012345

0123

error

2/260

How do we access the value of 'd' later?

$a = array(
    'a',
    3 => 'b',
    1 => 'c',
    'd'
);

$a[2]

$a[4]

$a[3]

$a[1]

$a[0]

3/260

Mark works as a Web Developer for Unicorn Inc. He develops an application in PHP using the following code:

<?php
      switch(1) {
      case 1: print("Book Details"); 
      case 2: print("Book Author"); 
      default: print("Missing Book");
      }
?>

What will be the output of the script?

Book Author

It will display all the three lines.

Missing Book

The script will throw an error.

Book Details

4/260

What is the output of this script?

<?php
echo 10 <=> 10 << 1;

-1

5/260

What will be the output of the following PHP code ?

<?php
echo 'Hello World';
<html>
Hello world
</html>
?>

Hello world

Hello World Hello World

Hello <html> Hello world </html>

Syntax Error

6/260

You run the following PHP script:

<?php
    $a=12;
    $b=11;   
    $a>$b ? print($a) : print($b);
?>

The script will throw an error.

7/260

What will be the output of the following PHP code ?

<?php
define("VAR_NAME","test"); 
${VAR_NAME} = "value"; 
echo VAR_NAME;
echo ${VAR_NAME}; 
?>

testvalue

testtest

test

error, constant value cannot be changed

8/260

What is the output of the following line of code:

<?php
$a = 4 << 2 + 1;
echo $a;
?>

9/260

What will the output of this code be?

<?php
$result = echo print("Hello world!");
var_dump($result);

syntax error

NULL

Hello world!NULL

1NULL

10/260

10.

What will be the output of the following PHP code ?

<?php
$var1 = 1 + ++5;
echo $var1; 
?>

error

no output

11/260

11.

What is the best way to iterate through the $myarray array, assuming you want to modify the value of each element as you do?

<?php
    $myarray = array ("My String", "Another String", "Hi, Mom!");
?>

Using a do...while loop

Using a for loop

There is no way to accomplish this goal

Using a while loop

Using a foreach loop

12/260

12.

Which of the following expressions multiply the value of the integer variable $a by 4?

$a *= pow (2, 2);

$a >>= 2;

$a += $a + $a;

$a <<= 2;

13/260

13.

You work as a Web Developer for Remote Inc. What will be the output when you try to run the script below?

<?php
    $b = false;
    if($b = true)
      print("true");
    else
      print("false");
?>

true

The script will throw an error message.

true false

false

14/260

14.

What will be the output of the following PHP code ?

<?php
$y = 2;
if (--$y <> ($y != $y++))
{
    echo $y;
}
?>

no output

15/260

15.

What is the length of the hash generated by the crc32() crypto function?

128

512

16/260

16.

Which of the following is NOT a valid PHP comparison operator?

<=>

17/260

17.

What does PHP stand for?
i) Personal Home Page
ii) Hypertext Preprocessor
iii) Pretext Hypertext Processor
iv) Preprocessor Home Page

Both ii) and iv)

Both i) and iii)

Only ii)

Both i) and ii)

18/260

18.

What will be the output of the following PHP code ?

<?php
    echo "This","was"|"a","bad"."idea";
?>

Thiswasbadidea

Thiswas abadidea

Thiswasabadidea

Thiswas a badidea

19/260

19.

Which of the following equivalence operations evaluates to true if the two operands are not of the same data type or do not have the same value?

===

!==

20/260

20.

What will be the output of the following PHP code ?

<?php
$var1 = 1;
echo $var1 = ++$var1 % 2 + ++$var1; 
?>

21/260

21.

What is the output of the following line of code?

<?php
echo "4" + 05 + 011 + ord('a');
?>

115

117

22/260

22.

What will be the output of the following PHP code ?

<?php
class Constants
{
    define('MIN_VALUE', '0.0');  
    define('MAX_VALUE', '1.0');  
    public static function getMinValue()
    {
        return self::MIN_VALUE;
    }
    public static function getMaxValue()
    {
        return self::MAX_VALUE;
    }
}
echo Constants::getMinValue();
echo Constants::getMaxValue();
?>

No output

ERROR

0.01.0

23/260

23.

What will be the output of the following PHP code ?

<?php
for ($i = 0; $i < 5; $i++)  
{
    for ($j = $i;$j > $i; $i--)
        print $i;
}
?>

infinite loop

0 1 0 1 2 0 1 2 3 0 1 2 3 4 0 1 2 3 4 5 0 1 2 3 4 5

0 1 2 3 4 5

no output

24/260

24.

What will be the output of the following PHP code ?

<?php
$x = 1;
if ($x = $x&0)
    print $x;
else
    break;
?>

Fatal error

no output

25/260

25.

What will be the output of the following PHP code ?

<?php
$i = 0;
while ($i = 10)
{   
    print "hi";
}
print "hello";
?>

error

infinite loop

hihello

hello

26/260

26.

Which of the following are superglobals in PHP? (choose three)

$_FORMS

$_ENVIRONMENT

$_DATA

$_COOKIE

$_SERVER

$_REQUEST

$_COOKIES

$_GLOBAL

27/260

27.

How can a script come to a clean termination?

When exit() is called

When Apache terminates because of a system problem

When PHP crashes

When the execution reaches the end of the current file

28/260

28.

Which of the following logical operators is an equivalence logical operator?

===

!==

29/260

29.

Considering the following code, what will the output be?

<?php
$a = "0.0";
$b = (int)$a;
if ( (boolean)$a === (bool)$b) {
echo "True";
} else {
echo "False";
}

False

Syntax error; this won’t run

True

30/260

30.

What is the output of the following script?

<?php
    $a = 10;
    $b = 20;
    $c = 4;
    $d = 8;
    $e = 1.0;
    $f = $c + $d * 2;
    $g = $f % 20;
    $h = $b - $a + $c + 2;
    $i = $h << $c;
    $j = $i * $e;
     print $j;
?>

128

242.0

342

256

31/260

31.

Which of the following is related to APC (Alternative PHP Cache)?

Byte code caching

Constant

Namespace

Variable

32/260

32.

Consider the following PHP script:

<html>
<head>
<title>
    This is a test script.
</title>
</head>
<body>
<?php
    echo (int) ((0.1 + 0.7) * 10);
?>
</body>
</html>

What will be the output of the PHP script?

The PHP script will return an error message.

33/260

33.

What will be the output of the following PHP code?

<?php
    $num  = 1;
    $num1 = 2;
    print $num . "+". $num1;
?>

1.+.2

Error

1+2

34/260

34.

You run the following script:

<?php
    $a = 6 - 10 % 4;
    echo $a;
?>

What will be the output?

35/260

35.

What is the result of the following bitwise operation in PHP?

1 ^ 2

36/260

36.

What will be the output of the following PHP code ?

<?php
$a = 1;
if ($a--)
    print "True";
if ($a++)
    print "False"; 
?>

error

false

true

no output

37/260

37.

What will be the output of the following PHP code ?

<?php
$i = 0;
while ((--$i > ++$i) - 1)
{   
    print $i;
}
?>

00000000000000000000....infinitely

no output

-1-1-1-1-1-1-1-1-1-1....infinitely

error

38/260

38.

What will be the output of the following code snippet?

<?php
$a = 1;
$b = 2;
$c = 0xAF;
$d = $b + $c;
$e = $d * $b;
$f = ($d + $e) % $a;
print($f + $e);
?>

The script will throw an error message

200

354

39/260

39.

What is the value of $x in the following code snippet?

<?php
$x = 123 == 0123;
?>

123

FALSE

NULL

TRUE

40/260

40.

What will be the output of the following PHP code ?

<?php
$i = 10;
$j = 0;
if ($i || ($j = $i + 10)) {
    echo "true";
}
echo $j;
?>

true20

true0

41/260

41.

You run the following PHP script:

<php
     echo 0x33, ' birds sit on ', 022, ' trees.';
?>

What will be the output?

51 birds sit on 0 trees.

51 birds sit on 18 trees.

51 birds sit on 22 trees.

51 birds sit on trees.

42/260

42.

What will be the output of the following code -

    $Rent = 250;   
    function Expenses($Other) { 
        $Rent = 250 + $Other; 
        return $Rent; 
    }  
    Expenses(50);   
    echo $Rent;

300

200

Error

250

43/260

43.

What will be the output of the following PHP code ?

<?php
$b = 3;
switch($b)
{
case 2:
    print "hello";
    break;
case 1:
    print "hi";
    break;
}
?>

no output

error

hello

44/260

44.

What gets printed?

<?php

$RESULT = 11 + 011 + 0x11;

echo "$RESULT";

?>

45/260

45.

What will be the output of the following PHP code ?

<?php
    $one = "one";
    $two = "two";
    print($one$two);
?>

nothing

error

onetwo

one

46/260

46.

Which of the following statements is/are FALSE regarding functions in PHP?

PHP can allow functions to return variables.

Return value of a function can be specified by using return keyword.

Concept of void functions exists in PHP.

Functions in PHP cannot return expressions by reference.

47/260

47.

Consider the following PHP script:

<?php
$a = 5; 
$b = 4; 
$c = ($a++ * ++$b);  
echo $c;
?>

What will be the output?

48/260

48.

Which of the below symbols is a newline character?

49/260

49.

What will be the output of the following PHP code ?

<?php
$i = 0
while ($i != 3)
{
    print "hi";
    $i++;
}
?>

hihihi

hihi

hihihihi

50/260

50.

What will be the output of the following PHP code ?

<?php
for(++$i; ++$i; ++$i)
{
    print $i;
    if ($i == 4) 
        break;
}
?>

134

1234

51/260

51.

What will this code output?

<?php
$a = 1.23;
$b = 4.56;
$c = (int)$a + (int)$b;
echo (double)$c;

5.79

None of the above

52/260

52.

What will this script output?

<?php
function A() {
    try {
        b();
    } catch (Exception $e) {
        echo "Exception caught in " . __CLASS__;
    }
}
function B() {
    C();
}
try {
    A();
} catch (Error $e) {
    echo "Error caught in global scope: " . $e->getMessage();
}

None of the above

Error caught in global scope: Call to undefined function C()

Exception caught in A

Error caught in global scope: Call to undefined function b()

53/260

53.

What will be the output of the following PHP code ?

<?php
$a = 10;
echo ++$a;
echo $a++;
echo $a;
echo ++$a;
?>

11111112

11121213

11111212

11111213

54/260

54.

Consider the following PHP script:

<?php
function b($a = 4)
{
  $a = $a / 2;
  return $a;
}
$a = 10;
b($a);
echo $a;
?>

What will be the output?

The script will throw an error message.

55/260

55.

What is the output of this code?

<?php
define('PI', 3.14159625);
define('_PI', "3.1459625");
$radius = 10;
if (PI == _PI) {
 $area = (int)PI * $radius ** 2;
 echo $area;
} else {
 echo "dhaka";
}

1600

dhaka

986.962699801

300

56/260

56.

What will be the output of the following PHP code ?

<?php
$i = 0; $j = 1; $k = 2;
print !(($i + $k) < ($j - $k));
?>

false

true

57/260

57.

What will be the output of the following PHP code ?

<?php
$on$e = 1;
$tw$o = 2;
$thre$e = 3;
$fou$r = 4;
echo "$on$e / $tw$o + $thre$e / $fou$r"; 
?>

Error

1.25

0.75

0.05

58/260

58.

You run the following script:

<?
    10 = $a;
    echo $a;
?>

Script will output an error.

59/260

59.

What is the output of the following code?

<?php
$a = 1;
function calculate() {
   global $a;
   $a += 7;
   $a = $a * 043;
   return --$a;
}
echo $a;
?>

342

279

343

60/260

60.

42 with two decimal places?

printf("%1.2f\n", 42);

printf("%.2d\n", 42);

61/260

61.

What will be the output of the following PHP code ?

<?php
$y = 2;
if ($y-- == ++$y)
{
    echo $y;
}
?>

no output

62/260

62.

What will be the output of the following PHP code ?

<?php
$x;
for ($x = -3; $x < -5; ++$x)
{
    print ++$x;
}
?>

infinite loop

-3-4

no output

-3-4-5

63/260

63.

Consider the following code:

<?php
    $a;
    for($a=1;$a<=100;$a++)
    {
    if($a==50)
    {
        continue;
    }
    print($a);
    }
?>

What will be the output of the program?

A series from 1 to 100 will be printed.

A series from 1 to 50 will be printed.

A series from 51 to 100 will be printed.

A series from 1 to 100 will be printed. The number 50 will not be printed.

64/260

64.

What will be the output of the following code?

<?php
    function track() {
         static $count = 0;
         $count++;
         echo $count;
    }
    track();
    track();
    track();
?>

111

123

000

011

65/260

65.

What is displayed when the following script is executed?

<?php

 define(myvalue, "10");
 $myarray[10] = "Dog";
 $myarray[] = "Human"; 
$myarray['myvalue'] = "Cat";
 $myarray["Dog"] = "Cat";
 print "The value is: "; print $myarray[myvalue]."\n";

?>

Dog

The value is: Human

The value is: Dog

The value is: 10

The value is: Cat

66/260

66.

What is the output of this PHP code?

<?php
echo (isset($a)) ? "A is set" : "A is not set";
echo " and ";
echo (empty($b)) ? "B is not set" : "B is set";

A is not set and B is not set

A is not set and B is set

A is set and B is set

Syntax error

67/260

67.

What will this code output?

    namespace A;
    function Hello() { echo __NAMESPACE__; }
    namespace B;
    function Hello() { echo __NAMESPACE__; }
    namespace C;
    \B\Hello();

This produces an error; functions cannot be namespaced

68/260

68.

What will be the output of the following PHP code ?

<?php
    $one = "one";
    $two = "two";
    print($one==$two);
?>

false

nothing

error

true

69/260

69.

What will be the output of the following code?

<?php 
    $foo = 'Bob';              
    $bar = &$foo;              
    $bar = "My name is $bar";  
    echo $bar;
    echo $foo;
?>

My name is Bob Bob

Error

My name is BobMy name is Bob

My name is BobBob

70/260

70.

What will be the output of the following PHP code ?

<?php
$y = 2;
if (--$y == 2 || $y xor --$y)
{
    echo $y;
}
?>

no output

71/260

71.

What will be the output of the following PHP code ?

<?php
$var1 = 3;
print $var = ++$var;
?>

72/260

72.

What will this script output?

<?php
$a = "0";
$c = $b = empty($a);
$d = ++$b + $a;
echo $d;

Syntax error; you can’t assign two variables on one line

73/260

73.

What will be the output of the following PHP code ?

<?php
    $one = "one";
    $two = "one";
    print($one == $two);
?>

false

true

error

74/260

74.

What will this script output?

<?php

class MyException extends Exception {}
class ChildException extends MyException {}

try {
    throw new ChildException;
} catch (Exception $e) {
    echo "Caught Exception: " . get_class($e);
} catch (MyException $e) {
    echo "Caught MyException" . get_class($e);
}

Caught Exception: ChildException

an error message related to an uncaught exception

Caught MyException: ChildException

Caught MyException: MyException

75/260

75.

Which of the conditional statements is/are supported by PHP?
i) if statements
ii) if-else statements
iii) if-elseif statements
iv) switch statements

i), ii), iii) and iv)

Only i)

i), ii) and iv)

ii), iii) and iv)

76/260

76.

What will be the output of the following PHP code ?

<?php
echo "echo "Hello World"";
?>

echo Hello world

Hello world

Error

echo 'Hello world'

77/260

77.

Which of the following is used to convert all applicable characters to HTML entities?

htmlelements

htmlentities

html_elements

html_entities

78/260

78.

What will be the output of the following PHP code ?

<?php
$auth = 1;
$status = 1;
if ($result = (($auth == 1) && ($status != 0)))
{
    print "result is $result";
}
?>

no output

result is 1

error

result is true

79/260

79.

What will be the output of the following PHP code ?

<?php
$x = 1;
$y = 2;
if (++$x == $y++)
{
    echo "true ", $y, $x;
}
?>

true 22

true 32

no output

true 33

80/260

80.

What will be the output of the following PHP code?

 <?php
    $score = 1234;
    $scoreboard = (array) $score;
    echo $scoreboard[0];
    ?>

1234

Error

81/260

81.

What does the following code snippet do?

$a = `ls -l`;

It will not give any result as ls -l is just a string enclosed under single quotes.

It will cause the output of the UNIX ls command to be stored inside $a.

It will cause an error.

It will cause a warning message.

82/260

82.

Which of the following data types are compound data types?

Array

Booleans

Objects

Strings

83/260

83.

What will be the output of the following PHP code ?


<?php
$a = 0x6db7;
print $a<<6;
?>

error

0x6dc0

1797568

no output

84/260

84.

What will be the output of the following PHP code ?

<?php
$x;
if ($x == 0)
    print "hi" ;
else
    print "how are u";
    print "hello"
?>

no output

hihello

how are uhello

85/260

85.

You run the following script:

<?php
    $a=5 < 2;
    echo (gettype($a));
?>

What will be the output?

string

boolean

Script will through an error.

integer

86/260

86.

What set of value it will give?

$data = "foo:*:1023:1000::/home/foo:/bin/sh"; 
list($user, $pass, $uid, $gid, $gecos, $home, $shell) = explode(":", $data); 
echo $user; echo $pass;

*foo

foo*

foo:*1023

Foo

87/260

87.

Which of the following is not valid PHP code?

&$something

$aVaR

$10_somethings

$_10

${"MyVar"}

88/260

88.

What will be the output of the following PHP code ?

<?php
 $a = 5; $b = -7; $c =0; 
 $d = ++$a && ++$b || ++$c;
 print $d; print $a;
?>

89/260

89.

Who is the father of PHP?

List Barely

Drek Kolkevi

Rasmus Lerdorf

Willam Makepiece

90/260

90.

Which of the following are valid PHP variables?

@$foo

&$variable

${0x0}

$0x0

91/260

91.

What is the difference between the include and require language constructs?

Require constructs cause a fatal error if the file can't be read

Include constructs cause a fatal error if the file doesn't exist

Require constructs can't be used with URL filenames'

There is no difference other than the name

92/260

92.

What will be the output of the following PHP code ?

<?php
     $one = "one";
     $two = "two";
     print($one,$two);
?>

one

error

onetwo

one, two

93/260

93.

What will the following script output?

<?php
    $x = 3 - 5 % 3;
    echo $x;
?>

null

94/260

94.

Which of the following options is/are correct regarding variable scopes in PHP?

global, script and function

class, global and script

script, function and class

global, function and class

95/260

95.

What is the difference between print() and echo()?

echo() can be used in the CLI version of PHP, while print() can't

print() can be used in the CLI version of PHP, while echo() can't

echo() can be used as part of an expression, while print() can't

print() can be used as part of an expression, while echo() can't

There's no difference: both functions print out some text!

96/260

96.

Consider the following script:

<?php 
      echo strtotime("january 1, 1901"); 
?>

What will be the output of the above PHP script if the older versions of glibc are present in the operating system?

-2177424000

12365

14345

97/260

97.

Which of the following is NOT a strongly typed language?

C++

JAVA

PHP

98/260

98.

What will be the output of the following PHP code ?

<?php
$x = 1;
if ($x--)
    print "hi"
    $x--;
else
    print "hello"
?>

error

hello

no output

99/260

99.

Which of the following gives a string containing PHP script file name in which it is called?

$_COOKIE

$_SESSION

$_SERVER['PHP_SELF']

$php_errormsg

100/260

100.

What is the output of the following?

<?php
$a = 7;
$b = 4;
function b($a, $b) {
   global $a, $b;
   $a += 7;
   $a++;
   $b += $a;
   return true;
}
echo $b, $a;
?>

1519

1915

101/260

101.

What will be the output of the following PHP code ?

<?php
$b = 1; $c = 4; $a = 5; 
$d = $b + $c == $a;
print $d;
?>

102/260

102.

What will be the output of the following PHP code ?

<?php
$a = "hello";
if ($a.length)
    print $a.length;
else
    print "hi";
?>

error

hellolength

103/260

103.

Which of the following type of variables are special type that only has one value: NULL?

Booleans

Strings

Doubles

NULL

104/260

104.

Which of the following is a valid namespace operator in PHP?

105/260

105.

Which of the following is used to set a constant?

con

define

new

set

106/260

106.

Which of the following options is NOT as valid tag for PHP 7.1 script?

<% ... %>

<?= ... ?>

<? .. ?>

<?php ... ?>

107/260

107.

What does the following function do, when passed two integer values for $p and $q?

<?php
function magic($p, $q)
{  
     return ($q == 0)    ? $p    : magic($q, $p % $q);
}
?>

Switches the values of $p and $q.

Determines if they are both even or odd.

Loops infinitely.

Determines the greatest common divisor between them.

108/260

108.

What is the output from this script?

<?php
$a = true;
$b = false;
$ampBool = $a && $b;
$andBool = $a and $b;
var_dump($ampBool == $andBool);
?>

bool(true)

bool(false)

109/260

109.

What will be the output of the following PHP code ?

<?php
if (print "hi" - 1)
    print "hello"
?>

hihello

no output

Parse error

110/260

110.

You run the following PHP script:

<?php
    $num = -123test;
    $newnum = abs( $num );
    print $newnum;
?>

What will be the output?

syntax error

123

-123

111/260

111.

What will be the output of the following PHP code ?

<?php
$i = 2;
while (++$i)
{   
    while ($i --> 0)
        print $i;
}
?>

infinite loop

210

no output

112/260

112.

How to use header() function in PHP correctly?

header("Location: , newpage.php");

None of these

header("Location: newpage.php");

header("Location" : "newpage.php");

113/260

113.

PHP is a _____ scripting language based on the _____ engine. It is primarily used to develop dynamic _____ content, although it can be used to generate _____ documents (among others) as well.

Embedded, Zend, HTML, XML

Perl-based, PHP, Web, Static

Zend-based, PHP, Image, HTML

Dynamic, PHP, Database, HTML

Embedded, Zend, Docbook, MySQL

114/260

114.

Which of the following code can be used to create case insensitive constant?

<?php define("GREETING","How are you today?"); echo constant("greeting"); ?>

<?php define("GREETING","How are you today?",'USECASE'); echo constant("greeting"); ?>

<?php define("GREETING","How are you today?",TRUE); echo constant("greeting"); ?>

<?php define("GREETING","How are you today?",FALSE); echo constant("greeting"); ?>

115/260

115.

Which of the following is NOT a magic predefined constant?

__DATE__

__FILE__

__CLASS__

__METHOD__

__LINE__

116/260

116.

You run the following PHP script:

<?php
    $sale = 200;
    $sale = $sale- + 1;
    echo $sale;
?>

What will be the output?

200

199

202

201

117/260

117.

what is the output of the following script?

<?php
    function fibonacci ($x1, $x2)
    {
        return $x1 + $x2;
    }
    $x1 = 0;
    $x2 = 1;
    for($i = 0; $i < 10; $i++){
        echo  fibonacci ($x1, $x2). ',';
    }
?>

1,2,3,4,5,6,7,8,9,10,

1,1,1,1,1,1,1,1,1,1,

1,2,3,4,5,6,7,8,9

1,2,3,5,8,13,21,34,55,89,

118/260

118.

What will the output of the following code be?

<?php
$a = range(3,9);
foreach ($a as $b) {
   switch($b) {
      case 3:
      $b = 7;
      case 7:
      $b = 3;
      default:
      // do nothing
   }
}
echo implode('-',$a);
?>

7-4-5-6-3-8-9-10-11

7-4-5-6-7-8-9

3-4-5-6-7-8-9

7-4-5-6-3-8-9

3-4-5-6-7-8-9-10-11

119/260

119.

Which of the following will you use to iterate a PHP associative array?

foreach

while

for in

for

120/260

120.

What will be the output of the following PHP code ?

<?php
$i=0;
for (1; $i == 1; $i = 2)
    print "In for loop ";
print "After loop\n";
?>

In for loopAfter for loop

Infinite loop

After for loop

In for loop

121/260

121.

Mark works as a Web Application Developer for Blue Solutions Inc. He writes the following code:

<?php
    $x =25;
    while($x<10)
    {
        $x--;
    }
    print ($x); 
?>

What will be the output when Mark tries to compile and execute the code?

The script will throw an error message.

122/260

122.

What is the value displayed when the following is executed? Assume that the code was executed using the following URL:

testscript.php?c=25 
<?php
    function process($c, $d = 25)
    {
        global $e;
        $retval = $c + $d - $_GET['c'] - $e;
        return $retval;
    }
    $e = 10;
    echo process(5);
?>

-5

123/260

123.

What is the output of this script?

<?php
$a = 3;
echo $a >> 1;

124/260

124.

What will be the output of the following PHP code ?

<?php
$x=1;
echo $x-- != ++$x;
?>

error

no output

125/260

125.

What will be the output of the following PHP code ?

<?php
$b = 1;
switch($b)
{
case 1.0:
    print "hi";
    break;
case 1:
    print "hello";
    break;
default:
    print "hi1";
}
?>

hihello

hihellohi1

hello

126/260

126.

What will this script output?

<?php
$a = "Hello";
$B = " world";
ECHO $a . $b;

Nothing; it won't run

Hello

an error message because the variable b is not defined

Hello world

127/260

127.

What will the following script output?

$array = '0123456789ABCDEFG';
$s = '';
for ($i = 1; $i < 50; $i++) {
    $s .= $array[rand(0,strlen ($array) - 1)];
}
echo $s;

A string of 49 random characters

A string of 50 random characters

A string of 49 copies of the same character, because the random number generator has not been initialized

Nothing, because $array is not an array

A string of 49 'G' characters

128/260

128.

What would you replace ??????? with, below, to make the string Hello, World! be displayed?

    function myfunction() {
        /* ??????? */
        echo $string;
    }
    myfunction("Hello, World!");

$string = $_ARGV[0];

$string = get_function_args();

$string = $argv[1];

list($string) = func_get_args();

129/260

129.

What will be the output of the following PHP code ?

<?php
$x = 10;
$y = 4;
$z = 3;
echo $x % $y % $z;
?>

error

130/260

130.

You run the following script:

<?php
function odd(){
    for($i=1; $i<=50; $i=$i+2)
    {
        echo "$i";
    }
}
echo "The last value of the variable \$i: $i";
?>

What will be the output?

Script will throw an notice.

The last value of the variable $i: 49

The last value of the variable $i: 50

The last value of the variable $i:

131/260

131.

What is the output of this script?

<?php
$a = 0b0010;
$b = 0b0001;
echo gettype($a & $b);

integer

Syntax error; this won’t run

boolean

double

132/260

132.

What will be the output of the following PHP code ?

<?php
$color = 'red';
echo "\$color";
?>

red

Error

\red

$color

133/260

133.

Consider the following segment of code:

<?php
    define("STOP_AT", 1024);
        $result = array();
    /* Missing code */
    {
        $result[] = $idx;
    }

    print_r($result);
?>

What should go in the marked segment to produce the following array output?

Array
{
 [0] => 1
 [1] => 2
 [2] => 4
 [3] => 8
 [4] => 16
 [5] => 32
 [6] => 64
 [7] => 128
 [8] => 256
 [9] => 512
}

foreach($result as $key => $val)

for($idx *= 2; STOP_AT >= $idx; $idx = 0)

for($idx = 1; $idx < STOP_AT; $idx *= 2)

while($idx < STOP_AT) do $idx *= 2

while($idx *= 2)

134/260

134.

Can I generate DLL files from PHP scripts like i can in Perl ?

yes

135/260

135.

Which of the following are the core extensions? Each correct answer represents a complete solution. Choose all that apply.

Classes

PECL

Arrays

Objects

136/260

136.

Which of the following is NOT a valid PHP variable name?

$_a

$$a

$1a

137/260

137.

What will this script output?

<?php
$a = "foo";
$$a = "bar";
$a = "Hello world";
echo ${"foo"};
?>

foo

Hello world

bar

Syntax error; this won’t run

138/260

138.

What will be the output of the following PHP code ?

<?php
$user = array("Ashley", "Bale", "Shrek", "Blank");
    for ($x=0; $x < count($user) - 1; $x++) 
    {
        if ($user[$x++] == "Shrek") 
            continue;
        printf ($user[$x]); 
    }
?>

AshleyBaleBlank

BaleBlank

AshleyShrek

Bale

139/260

139.

Which values should be assigned to the variables $a, $b and $c in order for the following script to display the string Hello, World!?

$string = "Hello, World!";
$a      = '';
$b      = '';
$c      = '';
if ($a) {
    if ($b && !$c) {
        echo "Goodbye Cruel World!";
    } else if (!$b && !$c) {
        echo "Nothing here";
    }
} else {
    if (!$b) {
        if (!$a && (!$b && $c)) {
            echo "Hello, World!";
        } else {
            echo "Goodbye World!";
        }
    } else {
        echo "Not quite.";
    }
}
?>

False, False, True

True, True, True

False, True, False

False, True, True

True, True, False

140/260

140.

Under what circumstance is it impossible to assign a default value to a parameter while declaring a function?

When the function is being declared as a member of a class

When the parameter is being declared as passed by reference

When the parameter is Boolean

When the function contains only one parameter

141/260

141.

What will this script output?

<?php
function A() {
    try {
        b();
    } catch (Exception $e) {
        echo "Exception caught in " . __CLASS__;
    }
}
function B() {
    echo 5 / "five";
}
try {
    A();
} catch (Error $e) {
    echo "Error caught in global scope: " . $e->getMessage();
}

Error caught in global scope: Call to undefined function C()

Error caught in global scope: Call to undefined function b()

Exception caught in A

None of the above

142/260

142.

What will be the output of the following PHP code ?

<?php
$a = 12;
--$a;
echo $a++;
?>

error

143/260

143.

What will this code output?

    namespace A;
    $closure = function() { echo __NAMESPACE__; };
    namespace B;
    $closure = function() { echo __NAMESPACE__; };
    namespace C;
    $closure();

This produces an error; the closure is not defined in namespace C

This produces an error; functions and closures cannot be namespaced

144/260

144.

What will be the output of the following PHP code ?

<?php
print_r "Hello world"
?>

Nothing

Hello World

Parse Error

Missing semicolon error

145/260

145.

What is the output of the following?

<?php
$a = 0xf2 + 0x09;
$b = $a >> 3;
echo $b;
?>

146/260

146.

What is the value of $a and $b after the function call?

<?php
    function doSomething( &$arg ) {
        $return = $arg;
        $arg += 1;
        return $return; 
    }
    $a = 3;
    $b = doSomething( $a );
?>

Both are 4

a is 3 and b is 4

Both are 3

a is 4 and b is 3

147/260

147.

What will the code output?

<?php
$a = 0;
$b = $a++;
$a = $a + 1;
echo --$a;

An error will occur

148/260

148.

What will be the output of the following PHP code ?

<?php
define("__LINE__", "PHP is a scripting language");
echo __LINE__;
?>

__LINE__

ERROR

PHP is a scripting language

149/260

149.

which one of these variables has illegal name?

None of them

$my_Var

$my-Var

$myVar

150/260

150.

What will be the output of the following PHP code ?

<?php
for ($x = 0; $x <= 10; print ++$x)
{
    print ++$x;
}
?>

infinite loop

12345678910

1234567891011

123456789101112

151/260

151.

Consider the following code:

<?php
function add()
{
       $x=10;
       $y=5;
       $x+=$y;
}
?>

What will be the value of x and y?

x=15, y=10

x=10, y=5

x=5, y=15

x=15, y=5

152/260

152.

You run the following PHP script:

<? 
    $a = "b";
    $b = 20;
    echo $$a;
?>

What will be the output?

Script will show an error.

153/260

153.

Which of the following options shows the correct IF statement format?

if (expression) { // code to execute if the expression evaluates to true }

if (expression) ( // code to execute if the expression evaluates to true )

if {expression} ( // code to execute if the expression evaluates to true )

if [expression] ( // code to execute if the expression evaluates to true )

154/260

154.

What is the order of parameters in the mail() function?

subject, to address, extra headers, body

to address, subject, extra headers, body

subject, to address, body, extra headers

to address, subject, body, extra headers

155/260

155.

You run the following PHP script:

<? 
    echo (int) "Jason 1235"; 
?>

What will be the output?

It will throw a script error.

Jason

1235

156/260

156.

What will be the output of the following PHP code ?

<?php
$i = 5;
while (--$i > 0 || ++$i)
{   
    print $i;
}
?>

54321

54321111111.....infinitely

555555555....infinitely

157/260

157.

<?php
    class Foo
    {
?>

<?php
        function bar()
        {
            print "bar";
        }
    }
?>

which is correct?

will not work, class definitions must be in a single file but can be in multiple PHP blocks.

will not work, class definitions must be in a single PHP block.

will work, class definitions can be split up into

will work, class definitions can be split up into multiple PHP blocks.

158/260

158.

The PHP syntax is most similar to:

Perl and C

VBScript

JavaScript

159/260

159.

Which of the following are valid constant names? (Choose three)

8rutil

111

ablwesc_99

AEN

R7yu

9tur8UH4

YU-8

160/260

160.

Choose the appropriate function declaration for the user-defined function is_leap(). Assume that, if not otherwise defined, the is_leap function uses the year 2000 as a default value:

<?php
    /* Function declaration here */
    {
        $is_leap = (!($year %4) && (($year % 100) || !($year % 400))); 
        return $is_leap;
    }
    var_dump(is_leap(1987)); /* Displays false */
    var_dump(is_leap()); /* Displays true */
?>

function is_leap(2000 = $year)

function is_leap($year default 2000)

is_leap($year default 2000)

function is_leap($year = 2000)

function is_leap($year)

161/260

161.

What is the result when the following PHP code involving a boolean cast is executed?

<?php
 var_dump( (bool) 5.8 );
?>

bool(False)

bool(True)

162/260

162.

Consider the following script:


<?php
    function myfunction($a, $b = true)
    {
        if($a && !$b) {
            echo "Hello, World!\n";
        }
    }
    $s = array(
         0 => "my",
         1 => "call", 
         2 => '$function', 
         3 => ' ',
         4 => "function", 
         5 => '$a',
         6 => '$b', 
         7 => 'a',
         8 => 'b',
         9 => ''
        );
    $a = true;
    $b = false;
    /* Group A */
    $name = $s[?].$s[?].$s[?].$s[?].$s[?].$s[?];
    /* Group B */
    $name(${$s[?]}, ${$s[?]});
?>

Each ? in the above script represents an integer index against the $s array. In order to display the Hello, World! string when executed, what must the missing integer indexes be?

Group A: 0,4,9,9,9,9 Group B: 7,8

Group A: 4,3,0,4,9,9 Group B: 7,8

Group A: 1,3,2,3,0,4 Group B: 5,8

Group A: 4,3,0,4,9,9 Group B: 7,8

Group A: 1,3,0,4,9,9 Group B: 7,6

163/260

163.

What will be the output of the following PHP code?

<?php
    $color = "maroon";
    $var = $color[2];
    echo "$var";
    ?>

Error

$var

164/260

164.

What will be the output of the following PHP code ?

<?php
    define('GREETING_TEST', 'PHP is a scripting language', true);
    echo GREETING_TESt;
    $changing_variable = 'test';
    echo constant('GREETING_' . strtoupper($changing_variable));
?>

PHP is a scripting language PHP is a scripting language

PHP is a scripting language GREETING_TEST

PHP is a scripting language

GREETING_TESt

165/260

165.

Which PHP functions may be used to find out which PHP extensions are available in the system?

phpinfo()

get_loaded_extensions

extension_loaded()

get_extension_funcs()

166/260

166.

The function gc_collect_cycles() is used to do which of the following?

Flush the opcode cache

Initiate garbage collection to free up memory

There is no such function

Pause the script for a certain number of processor cycles

167/260

167.

Consider the following code:

<?php   
    $a=5;
    $b=12;
    $c=10;
    $d=7;
    $e=($a*$b)+$c*$d/$a;
    print($e);
?>

What will be the output of the above code?

154

130

168/260

168.

What is the output of the following code snippet?

<?php
$a = 20;
function myfunction($b) {
    $a = 30;
    global $a, $c;
    return $c = ($b + $a);
}
print myfunction(40) + $c;
?>

140

Syntax Error

120

169/260

169.

Assume that today is January 8th, 2013, 5:16:18 pm in MST time zone.

<?php
        echo date('l \t\h\e jS');
?>

it is the 8th day

Tuesday the 8th

01.08.13

January 8, 2013, 5:16 pm

170/260

170.

What will be the output of the following PHP code ?

<?php
for ($i = 0; $i % ++$i; $i++) 
{
    print"i";
}
?>

error

infinite loop

no output

171/260

171.

You run the following PHP script:

<?php
function calc()
{
    $x=10;
    $b=++$x;
    print($b);
}
calc();
?>

What will be the value of the variable b?

The script will throw an error message.

172/260

172.

You run the following PHP script:

<? 
    $a=20%-8;
    echo $a;
?>

Script will show an error message.

-2

-4

173/260

173.

What is the output of the following script?

<?php
$arr1 = [1,2,3];
$arr2 = array("1" => 2, 0 => "1", 2 => 3 );
$equal = $arr1 == $arr2 ? 'Equal' : 'Not Equal';
$identical = $arr1 === $arr2 ? 'Identical' : 'Not Identical';
echo "The arrays are [$equal] and [$identical]";

The arrays are [Equal] and [Not Identical]

None of the above

Syntax error; this won't run

The arrays are [Not Equal] and [Identical]

The arrays are [Not Equal] and [Not Identical]

The arrays are [Equal] and [Identical]

174/260

174.

What is the output of the following PHP code?

<?php
    define('FOO', 10);
    $array = array(10 => FOO,"FOO" => 20);
    print $array[$array[FOO]] * $array["FOO"];
?>

FOO

200

100

175/260

175.

What is the output of this scrip?

<?php
define('A', 1);
const B = 2;
define('C', [A * A, B * B]);
echo(C[1]);

this will generate an error because constants can only hold scalar values.

this will generate an error because you cannot use define() to declare an array constant.

176/260

176.

Run-time inclusion of a PHP script is performed using the ____ construct, while compile-time inclusion of PHP scripts is performed using the ____ construct.

All of the above are correct

require_once, include

include, require

require, include

include_once, include

177/260

177.

You have been given a code snippet as follows:

$somearray = array("hi", "this is a string", "this is a code");

You want to iterate this array and modify the value of each of its elements. Which of the following is the best possible to accomplish the task?

Do while loop

For loop

While loop

Foreach loop

178/260

178.

Which of the following are valid identifiers (Choose 3)

$_1 = "Hello World";

$1 = "Hello";

function _4You() { }

function object() { }

function 4You() { }

179/260

179.

Consider the following code:

<?php
    $x=0;
    $i;
    for($i=0;$i<5;$i++)
    {
        $x+=$i;
    }
    print($x);
?>

What will be the value of x?

180/260

180.

What will be the output of the following PHP code ?

<?php
$x = 10;
$y = 20;
if ($x > $y && 1||1)
    print "hi" ;
else
    print "how are u";
?>

no output

error

how are u

181/260

181.

What will be the output of the following PHP code ?

<?php
$i = 0;
while ($i++)
{
    print $i;
}
print $i;
?>

infinite loop

182/260

182.

What will be the output of the following PHP code ?

<?php
define("GREETING", "PHP is a scripting language");
echo $GREETING;
?>

Undefined variable: GREETING

PHP is a scripting language

$GREETING

no output

183/260

183.

What will be the output if we declare "ob_start()" function in PHP?

none of these.

PHP does not output anything.

PHP will start displaying the value of current object.

PHP will start displaying the value of last object.

184/260

184.

You run the following PHP script:

<? 
    echo (int) "1235Jason"; 
?>

What will be the output?

1235Jason

1235

It will throw a script error.

185/260

185.

What will be the output of the following PHP code ?

<?php
$i = 0;
$j = 0;
if ($i && ($j = $i + 10)) {
    echo "true";
}
echo $j;
?>

true0

true10

186/260

186.

What will be the output of the following PHP code ?

<?php
$a = 2;
if ($a-- - --$a - $a)
    print "hello";
else
    print "hi";
?>

no output

hello

error

187/260

187.

Which statement will output $x on the screen?

echo "\$x";

echo "/$x";

echo "$x;";

echo "$$x";

188/260

188.

Which of the following PHP variable names is not a valid variable name?

$2var

$_2var

$var

$__var

189/260

189.

Consider the following code:

<?php
function modvalue()
{
       $a=20;
       $b=4;
       $c=$a%$b;
       print($c);
} 
modvalue();
?>

What will be the value of the variable c?

190/260

190.

Which of the below provided options is correct regarding the below code?

<?php 
    $a = array (1, 2, 3);
    $b = array (1 => 2, 2 => 3, 0 => 1); 
    $c = array ('a' => 1, 'b' => 2, 'c' => 3);
    var_dump ($a == $b); 
    var_dump ($a === $b); 
    var_dump ($a == $c); 
?>

true false false

true true false

true false true

false true true

191/260

191.

Consider the following script:

<?php
    echo date("M-d-Y", mktime(0, 0, 0, 12, 32, 1995));
?>

What will be the output of the above script?

Date out of range error

Jan-01-1995

Jan-01-1996

Fatal error

192/260

192.

what is the name of the error level constant that is used to designate PHP code that will not work in future versions?

193/260

193.

What will be the output of the following PHP code ?

<?php
for ($count = 1; $count < 20; $count++);
    print $count;
?>

12345678910....1920

12345678910....19

194/260

194.

What will be the output of the following PHP code ?

<?php
const $b = 1;
switch($b)
{
case 1:
    print "hi";
    break;
case 1:
    print "hello";
    break;
default:
    print "hi1";
}
?>

hihello

Parse error

hello

195/260

195.

What is the output of the following PHP script?

    $a = 1;
    $b = 2.5;
    $c = 0xFF;
    $d = $b + $c;
    $e = $d * $b;
    $f = ($d + $e) % $a;
    echo ($f + $e);

643

432

432.75

257

643.75

196/260

196.

Which of the following statements are true when applied to a Registry pattern? (choose two)

Only one instance of the class can exist

It uses static methods

It takes responsibility for instantiating objects

It is designed to store values of various types

It implements ArrayAccess

197/260

197.

What will be the output of the following PHP code ?

<?php
if (print "0")
    print "hi" ;
else
    print "how are u";
?>

0hi

0how are u

how are u

198/260

198.

What will be the output of the following PHP code?

<?php
    $total = "25 students";
    $more = 10;
    $total = $total + $more;
    echo "$total";
    ?>

Error

25 students

35 students

199/260

199.

How does the identity operator === compare two values?

It bases its comparison on the C strcmp function exclusively

If the two values are strings, it performs a lexical comparison

It converts them to a common compatible data type and then compares the resulting values

It returns True only if they are both of the same type and value

200/260

200.

What will be the output of the following PHP code ?

<?php
$i = 0
do
{
    print "hi";
    $i++;
}
while ($i != 3);
?>

hihihihi

hihihi

hihi

201/260

201.

You run the following PHP script:

<?php
for($x = 1; $x <= 2; $x++){
      for($y = 1; $y <= 3; $y++){
         if ($x == $y) continue; 
         print("x = $x  y =  $y");
      }
   }
?>

What will be the output? Each correct answer represents a complete solution. Choose all that apply.

x = 1 y = 2

x = 2 y = 3

x = 2 y = 2

x = 1 y = 3

x = 2 y = 1

x = 1 y = 1

202/260

202.

when PHP is running on a command line, what super-global will contain the command line arguments specified?

$GLOBALS

$_POST

$_ENV

$_ARGV

$_SERVER

203/260

203.

What would happen when the following code was run?

<?php
define('Tree', 'oak');
echo 'This tree is: ' . tree;
?>

This tree is: tree (and a notice)

This tree is: oak (and a notice)

An error

This tree is: (and a notice)

A notice

204/260

204.

What will be the output of the following PHP code ?

<?php
define('IF', 42); 
echo "IF: ", IF;
?>

IF: 42

IF:

ERROR

42: 42

205/260

205.

What will be the output of the following PHP code ?


<?php
$a = 1; $b = 1; $d = 1;
print ++$a + ++$a+$a++; print $a++ + ++$b; print ++$d + $d++ + $a++;
?>

742

368

869

error

206/260

206.

You developed a big application accessed by several thousand users at the same time. Suddenly, your web server stops responding and users are getting connection errors.What could have happened?

The web server was misconfigured so that it ran into virtual memory usage and consequent resource starvation because of too many child processes.

You didn’t optimize your code design properly.

The database server was terminated because of the unusually high amount of database accesses.

207/260

207.

Which of the following is a magic constant?

$_POST

$_GET

__LINE__

$_SERVER

208/260

208.

What is the output of this script?

<?php
$a = "apples" <=> "bananas";
$b = $a ?? $c ?? 10;
echo $b;

-1

apples

209/260

209.

Which of the below statements is equivalent to $add += $add ?

$add = $add +$add

$add = $add

$add = $add + $add + 1

$add = $add + 1

210/260

210.

In which of the following ways does the identity operator === compare two values?

It evaluates to true only if the operands are of the same data type and have the same value.

It is an alias of strcmp() function.

It evaluates to true if the two operands are equivalent.

If the two values are strings, it performs a lexical comparison.

211/260

211.

Which of the following operators has the highest precedence order?

[

212/260

212.

What will be the output of the following PHP code ?

<?php
$i = 0;
while (++$i && --$i)
{   
    print $i;
}
?>

1234567891011121314....infinitely

01234567891011121314....infinitely

no output

error

213/260

213.

Which of the following are NOt case sensitive in php? Choose all that apply.

Function names

Namespaces

Variable names

Class names

214/260

214.

what will the following code produce?

define('CONSTANT', 1);
define('_CONSTANT', 0);
define('EMPTY', '');
if(!empty(EMPTY)){
    if(!((boolean) _CONSTANT)){
        print "One";
    }
}
else if(constant('CONSTANT') == 1){
    print "Two";
}

Two

One

Parse Error

215/260

215.

What will be the output of the following PHP code ?

<?php
$y = 2;
if (**$y == 4)
{
    echo $y;
}
?>

no output

error at line 3

216/260

216.

What will be the output of the following PHP code ?

<?php
$i = 2;
while (++$i)
{   
    while (--$i > 0)
        print $i;
}
?>

no output

infinite loop

210

217/260

217.

What should be the correct syntax to write a PHP code?

< ? php ?>

<?php ?>

< php >

<? ?>

218/260

218.

Which of the following statements explains the difference between print() and echo()?

You can use print() as part of an expression while you cannot use echo().

There is no difference between echo() and print() functions.

You cannot use echo() with bitwise operators but you can use print() for this.

You can use print() to print numbers while you cannot use echo for this.

219/260

219.

What is the difference between isset() and other is_*() functions (is_alpha(), is_number(), etc.)?

isset() is a language construct and is_*() are not language constructs

is_*() are language constructs and isset() is not a language construct

is_*() return a value whereas isset() does not

isset() is a function call and is_*() are not function calls

220/260

220.

What will be the output of the following PHP code ?

<?php
$color = red;
echo "$color" . red ;
?>

red

nothing

red red

error

221/260

221.

What will be the output of the following PHP code?

<?php
$x;
if ($x)
    print "hi" ;
else
    print "how are u";
?>

no output

how are u

error

222/260

222.

What will be the output of the following PHP code ?

<?php
$y = 2;
$w = 4;
$y *= $w /= $y;
echo $y, $w;
?>

80.5

223/260

223.

Which of the following tags should you avoid using to include php in htML?

<?php

None of the above; these are all fine

224/260

224.

What will be the output of the following PHP code ?

<?php
$a = 10;
if (1) 
    print "all";
else 
    print "some"
else 
    print "none";
?>

Parse error: syntax error

all

some

none

225/260

225.

What will be the output of the following PHP code ?

<?php
class myObject { }
define('myObject::CONSTANT', 'test');
echo myObject::CONSTANT; 
?>

test

myObject::CONSTANT

no output

error

226/260

226.

What will be the output of the following PHP code ?

<?php
    echo "This", "was", "a", "bad", "idea";
?>

This, was, a, bad, idea

This was a bad idea

Thiswasabadidea

Error

227/260

227.

What will be the output of the following PHP code ?

<?php
$x = 1;
if ($x = $x&0)
    print $x ;
else
    print "how are u";
?>

error

how are u

228/260

228.

What will be the output of the following PHP code ?

<?php
$a = 1;
if (echo $a)
    print "True";
else
    print "False"; 
?>

false

error

1true

true

229/260

229.

What will be the output of the following PHP code ?

<?php
$i = 0;
do
{
    $i++;
}
while ($i < 3);
print $i;
?>

230/260

230.

What is the output of the following code?

<?php
$a = 42 & 05 + 17;
echo $a;
?>

231/260

231.

Which of the following type of variables are special variables that hold references to resources external to PHP (such as database connections)

Resources

Arrays

Objects

Strings

232/260

232.

How can we create a unique random password in PHP?

echo pass(uniqid(rand(), true));

echo md5(uniqid(rand(), true));

echo (pass(rand(), true));

echo md5(pass(rand(), true));

233/260

233.

Which version of PHP introduced Try/catch Exception?

PHP 4

PHP 6

PHP 5 and later

PHP 5

234/260

234.

What is the output of:

<?php
$a = 10;
echo strlen($a) . count($a);
do {
   echo $a . "elephpant ";
   $a++;
} while($a <= 1);
?>

2110elephpant

10elephpant

1210elephpant

235/260

235.

What will be the output of the following PHP code ?

<?php
    $one = "Hello";
    $two = "World";
    echo "$one"+"$two";
?>

Error

HelloWorld

Hello+World

236/260

236.

The ____ operator returns True if either of its operands can be evaluated as True, but not both.

237/260

237.

What is the output of the following code?

<?php
$x = 1;
function print_conditional() {
   static $x;
   if($x++ == 1)
      echo "many";
   echo "good";
   echo "things";
   return $x;
}
print_conditional();
$x++;
print_conditional();
?>

goodthingsmanygoodthings

there is no output

goodthingsgoodthings

manygoodthings

manygoodthingsmanygoodthings

238/260

238.

What will be the output of the following PHP code?

<?php
   $team = "arsenal";
    switch ($team) {
        case "manu":
            echo "I love manu";
        case "arsenal":
            echo "I love arsenal";
        case "manc":
            echo "I love manc";
    }
?>

Error

I love arsenalI love mancI love manu

I love arsenal

I love arsenalI love manc

239/260

239.

Which of the following functions returns current Unix timestamp?

time()

localtime()

date()

strtotime()

240/260

240.

What is the return value of echo statement in PHP?

no return value

none of these

241/260

241.

What will be the output of the following PHP code ?

<?php
for ($i = 0;$i = -1;$i = 1)
{
    print $i;
    if ($i != 1) 
    break;
}
?>

-1

infinite loop

242/260

242.

Which one of the following four logical operators of PHP is not binary?

AND

XOR

NOT

243/260

243.

What will be the output of the following PHP script:

<?php
function modifyArray (&$array) 
{
    foreach ($array as &$value)
    {
         $value = $value + 2; 
    } 
    $value = $value + 3; 
 } 
$array = array (1, 2, 3); 
modifyArray($array); 
print_r($array);
?>

Array ( [0] => 2 [1] => 4 [2] => 6 )

Array ( [0] => 5 [1] => 7 [2] => 9 )

Array ( [0] => 3 [1] => 4 [2] => 8 )

Array ( [0] => 1 [1] => 2 [2] => 3 )

244/260

244.

What will the output of this function be?

<?php
$number = 1234.5678;
echo number_format($number, 2, ',', '.') . PHP_EOL;

1,235

1.234,57

1,234.568

None of the above

245/260

245.

Which language construct can best represent the following series of if conditionals?

<?php
    if($a == 'a') {
        somefunction();
    } else if ($a == 'b') {
        anotherfunction();
    } else if ($a == 'c') {
        dosomething();
    } else {
        donothing();
    }
?>

A while statement

A switch statement without a default case

A recursive function call

It is the only representation of this logic

A switch statement using a default case

246/260

246.

Fred works as a Web developer in Fastech Inc. He writes the following script:

<?php
    $s = 2;
    switch ($s) {
      case 1:
         print("Fred");
         break;
      case 2:
         print("Fast");
      case 3:
         print("Tech");
      default: print("default");
    }
?>

What will be displayed as output when Fred attempts to run this PHP script?

FastTechdefault

Fast

Fast Tech

default

247/260

247.

Consider the following script:

<html>
<head>
<title>
       This is a test script.
</title>
</head>
<body>
<?php
    echo 'This is some sample text';
?>
</body>
</html>

Which of the following tags is used in the php script?

Standard tag

ASP tag

Short tag

Script tag

248/260

248.

What will be the output of the following PHP code ?

<?php
$i = "";
while ($i)
{   
    print "hi";
} 
while($i < 8) {
    $i++;
    print "hello";
}
?>

Hi is printed 8 times, hello 8 times

Hi is printed 8 times

Hi is printed once, hello 8 times

hello printed 8 times

249/260

249.

What will be the output of the following PHP code ?

<?php
for(;;)
{
   print "10";
}
?>

infinite loop

no output

error

250/260

250.

What will be the output of the following PHP code ?

<?php
$x = 10;
$y = 5;
$z = 3;
if ($x / $y / $z)
    print "hi";
else
    print "hello";
?>

error

hello

no output

251/260

251.

What is the output of the following code:

<?php
function a($a) {
   echo $a . "&";
}
function b($a) {
   echo "-" . $a;
}
$a = "!";
$b = &$a;
echo a(b($b));
?>

!&-!

-!&

!&-&

-&!

-!!&

252/260

252.

Which is the right way of declaring a variable in PHP?
i) $3hello
ii) $_hello
iii) $this
iv) $This

ii) and iv)

Only ii)

ii), iii) and iv)

Only iii)

253/260

253.

What will be the output of the following PHP code ?

<?php
$a = "1";
$b = "0";
if ((int)$a && $b) 
    print"hi";
else 
    print "hello";
?>

hello

no output

error

254/260

254.

Function world() is defined in the namespace 'myapp\utils\hello'. Your code is in namespace 'myapp'.
What is the correct way to import the hello namespace so you can use the world() function?

use hello

use mayapp\utils\hello

use utils\hello

use myapp\utils\hello\world;

255/260

255.

How should we add a single line comment in our PHP code?
i) /?
ii) //
iii) #
iv) /* */

Only ii)

Both ii) and iv)

ii), iii) and iv)

i), iii) and iv)

256/260

256.

What is the output of following code?

   $a = 1;
   ++$a;
    $a *= $a;
    echo $a--

257/260

257.

What is the output of the following PHP code?

       define("FOO", 10);
       $array = [10 => FOO, "FOO" => 20];
       echo $array[$array[FOO]] * $array["FOO"];

100

FOO

200

258/260

258.

What will be the output of the following PHP code ?

<?php
$a  =  '12345';
echo "qwe$arty";
?>

error

qwe$arty

qwe

qwe12345rty

259/260

259.

What will be the output of the following PHP code ?

<?php
if (0.0)
    print "hi" ;
else
    print "how are u";
?>

no output

error

how are u

260/260

260.

What will this script output?

echo "Apples"<=>"bananas" ? 'foo' : 'bar';

None of the above

foo

bar