Zend Preparation | Online PHP Quiz

PHP Basics singleQuestion

1/260

What will this code output?

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

None of the above

5.79

2/260

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

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

bool(True)

bool(False)

3/260

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

A string of 49 random characters

Nothing, because $array is not an array

A string of 49 'G' characters

A string of 50 random characters

4/260

How can we create a unique random password in PHP?

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

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

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

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

5/260

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

6/260

What will be the output of the following PHP code ?

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

nothing

onetwo

error

one

7/260

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;
}
?>

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

infinite loop

no output

0 1 2 3 4 5

8/260

Which of the following are valid identifiers (Choose 3)

function object() { }

$_1 = "Hello World";

function _4You() { }

$1 = "Hello";

function 4You() { }

9/260

You run the following PHP script:

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

What will be the output?

202

201

199

200

10/260

10.

What will be the output of the following PHP code ?

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

hihi

hihihi

hihihihi

11/260

11.

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();
}

Exception caught in A

None of the above

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

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

12/260

12.

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 b()

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

Exception caught in A

13/260

13.

What will be the output of the following PHP code ?

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

555555555....infinitely

54321111111.....infinitely

54321

14/260

14.

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);
?>

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

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

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

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

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

15/260

15.

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

Fatal error

Jan-01-1996

Jan-01-1995

16/260

16.

42 with two decimal places?

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

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

17/260

17.

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

require_once, include

require, include

include, require

All of the above are correct

include_once, include

18/260

18.

What will be the output of the following PHP code ?

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

no output

-3-4-5

infinite loop

-3-4

19/260

19.

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

20/260

20.

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 once, hello 8 times

hello printed 8 times

Hi is printed 8 times

Hi is printed 8 times, hello 8 times

21/260

21.

What will this script output?

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

an error message because the variable b is not defined

Nothing; it won't run

Hello world

Hello

22/260

22.

Which of the following are valid PHP variables?

&$variable

$0x0

${0x0}

@$foo

23/260

23.

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);
}

an error message related to an uncaught exception

Caught Exception: ChildException

Caught MyException: MyException

Caught MyException: ChildException

24/260

24.

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.

25/260

25.

What will be the output of the following PHP code?

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

Error

1.+.2

1+2

26/260

26.

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

Function names

Namespaces

Class names

Variable names

27/260

27.

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;
?>

256

342

128

242.0

28/260

28.

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?

12365

-2177424000

14345

29/260

29.

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;
?>

30/260

30.

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?

130

154

31/260

31.

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

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

$string = $argv[1];

list($string) = func_get_args();

$string = get_function_args();

$string = $_ARGV[0];

32/260

32.

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

It implements ArrayAccess

It uses static methods

It takes responsibility for instantiating objects

It is designed to store values of various types

Only one instance of the class can exist

33/260

33.

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

None of the above; these are all fine

<?php

34/260

34.

You run the following PHP script:

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

What will be the output?

1235

It will throw a script error.

Jason

35/260

35.

What will be the output of the following PHP code ?

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

error

no output

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

00000000000000000000....infinitely

36/260

36.

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.

37/260

37.

What will be the output of the following PHP code ?

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

error

38/260

38.

What will be the output of the following PHP code ?

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

hello

infinite loop

error

hihello

39/260

39.

What will be the output of the following PHP code ?

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

infinite loop

-1

40/260

40.

What will be the output of the following PHP code ?

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

11111112

11111213

11121213

11111212

41/260

41.

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

Both i) and iii)

Both i) and ii)

Both ii) and iv)

Only ii)

42/260

42.

Who is the father of PHP?

List Barely

Willam Makepiece

Drek Kolkevi

Rasmus Lerdorf

43/260

43.

What will be the output of the following PHP code?

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

Error

1234

44/260

44.

What will be the output of the following PHP code ?

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

error at line 3

no output

45/260

45.

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 false true

false true true

true true false

46/260

46.

What will be the output of the following PHP code ?

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

no output

47/260

47.

Which of the following is used to set a constant?

set

new

con

define

48/260

48.

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"];
?>

200

100

FOO

49/260

49.

What is the output of this script?

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

apples

-1

50/260

50.

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?

It will display all the three lines.

Book Author

The script will throw an error.

Book Details

Missing Book

51/260

51.

What will be the output of the following PHP code ?

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

HelloWorld

Hello+World

Error

52/260

52.

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 trees.

51 birds sit on 18 trees.

51 birds sit on 22 trees.

53/260

53.

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 [Not Equal] and [Identical]

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

Syntax error; this won't run

The arrays are [Equal] and [Not Identical]

The arrays are [Equal] and [Identical]

None of the above

54/260

54.

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?

55/260

55.

What will be the output of the following PHP code ?

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

test

myObject::CONSTANT

error

no output

56/260

56.

What will be the output of the following PHP code ?

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

true 33

true 32

true 22

no output

57/260

57.

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";
    }
?>

I love arsenalI love manc

Error

I love arsenal

I love arsenalI love mancI love manu

58/260

58.

What will be the output of the following PHP code ?

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

how are uhello

no output

hihello

59/260

59.

What will be the output of the following PHP code ?

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

no output

Fatal error

60/260

60.

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($year)

function is_leap($year default 2000)

is_leap($year default 2000)

function is_leap($year = 2000)

function is_leap(2000 = $year)

61/260

61.

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

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

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

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

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

62/260

62.

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

63/260

63.

What will be the output of the following PHP code?

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

error

no output

how are u

64/260

64.

What is the return value of echo statement in PHP?

none of these

no return value

65/260

65.

What will be the output of the following PHP code ?

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

no output

66/260

66.

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";
?>

hello

no output

error

67/260

67.

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

<? ?>

< php >

<?php ?>

< ? php ?>

68/260

68.

What will be the output of the following PHP code ?

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

no output

PHP is a scripting language

$GREETING

Undefined variable: GREETING

69/260

69.

What will be the output of the following PHP code ?

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

how are u

no output

error

70/260

70.

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

71/260

71.

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, Docbook, MySQL

Zend-based, PHP, Image, HTML

Dynamic, PHP, Database, HTML

Embedded, Zend, HTML, XML

Perl-based, PHP, Web, Static

72/260

72.

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

$__var

$_2var

$2var

$var

73/260

73.

What will this script output?

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

None of the above

bar

foo

74/260

74.

What will be the output of the following PHP code ?

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

echo Hello world

echo 'Hello world'

Hello world

Error

75/260

75.

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?

===

!==

76/260

76.

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

<=>

77/260

77.

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";
}

986.962699801

dhaka

300

1600

78/260

78.

What is the output of this script?

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

double

Syntax error; this won’t run

boolean

integer

79/260

79.

What will be the output of the following PHP code ?


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

0x6dc0

error

1797568

no output

80/260

80.

What will be the output of the following PHP code ?

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

no output

error

81/260

81.

Which of the following is not valid PHP code?

$10_somethings

$aVaR

$_10

${"MyVar"}

&$something

82/260

82.

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";
}
?>

hello

hihellohi1

hihello

83/260

83.

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.

84/260

84.

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]); 
    }
?>

BaleBlank

AshleyShrek

AshleyBaleBlank

Bale

85/260

85.

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

1 ^ 2

86/260

86.

You run the following script:

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

What will be the output?

boolean

integer

Script will through an error.

string

87/260

87.

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

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

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

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

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

88/260

88.

What will be the output of the following PHP code ?

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

error

false

no output

true

89/260

89.

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

354

200

90/260

90.

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?

While loop

Do while loop

For loop

Foreach loop

91/260

91.

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

92/260

92.

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?

default

FastTechdefault

Fast

Fast Tech

93/260

93.

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

while($idx *= 2)

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

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

94/260

94.

What will be the output of the following PHP code ?

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

hellolength

error

95/260

95.

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?

You didn’t optimize your code design properly.

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

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

96/260

96.

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 )

97/260

97.

You run the following PHP script:

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

What will be the output?

123

-123

syntax error

98/260

98.

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

XOR

NOT

AND

99/260

99.

What will be the output of the following PHP code ?

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

no output

infinite loop

error

100/260

100.

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

101/260

101.

What is the output of:

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

10elephpant

2110elephpant

1210elephpant

102/260

102.

What will be the output of the following code -

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

200

250

Error

300

103/260

103.

What is the output of this script?

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

104/260

104.

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?

ASP tag

Standard tag

Short tag

Script tag

105/260

105.

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

foreach

for

while

for in

106/260

106.

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

none of these.

PHP will start displaying the value of current object.

PHP will start displaying the value of last object.

PHP does not output anything.

107/260

107.

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

108/260

108.

What will be the output of the following PHP code ?

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

12345678910....1920

12345678910....19

109/260

109.

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

110/260

110.

Which of the following operators has the highest precedence order?

[

111/260

111.

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";
}
?>

Parse error

hello

hihello

112/260

112.

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

get_loaded_extensions

extension_loaded()

get_extension_funcs()

phpinfo()

113/260

113.

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

GREETING_TESt

PHP is a scripting language

PHP is a scripting language GREETING_TEST

114/260

114.

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

115/260

115.

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

343

279

116/260

116.

The PHP syntax is most similar to:

JavaScript

Perl and C

VBScript

117/260

117.

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

NULL

Booleans

Strings

Doubles

118/260

118.

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,

119/260

119.

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] => 1 [1] => 2 [2] => 3 )

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

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

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

120/260

120.

<?php
    class Foo
    {
?>

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

which is correct?

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

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

will work, class definitions can be split up into

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

121/260

121.

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);
}
?>

Loops infinitely.

Determines if they are both even or odd.

Determines the greatest common divisor between them.

Switches the values of $p and $q.

122/260

122.

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:*1023

Foo

*foo

foo*

123/260

123.

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.";
    }
}
?>

True, True, True

False, False, True

False, True, True

True, True, False

False, True, False

124/260

124.

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

$a <<= 2;

$a *= pow (2, 2);

$a += $a + $a;

$a >>= 2;

125/260

125.

What will be the output of the following PHP code ?

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

true0

true20

126/260

126.

Which of the following is a magic constant?

__LINE__

$_SERVER

$_GET

$_POST

127/260

127.

You run the following script:

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

Script will output an error.

128/260

128.

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";
}

One

Two

Parse Error

129/260

129.

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

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

Tuesday the 8th

it is the 8th day

01.08.13

January 8, 2013, 5:16 pm

130/260

130.

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

!==

===

131/260

131.

What will be the output of the following PHP code ?

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

error

no output

132/260

132.

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);

643.75

432.75

257

432

643

133/260

133.

What will be the output of the following PHP code?

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

25 students

35 students

Error

134/260

134.

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

869

error

368

135/260

135.

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

There is no way to accomplish this goal

Using a for loop

Using a while loop

Using a foreach loop

136/260

136.

What will be the output of the following PHP code ?

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

infinite loop

no output

210

137/260

137.

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";
}
?>

result is true

no output

result is 1

error

138/260

138.

What will the output of this code be?

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

Hello world!NULL

syntax error

NULL

1NULL

139/260

139.

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

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

$a[1]

$a[4]

$a[0]

$a[3]

$a[2]

140/260

140.

What will be the output of the following PHP code ?

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

hihello

Parse error

no output

141/260

141.

What will be the output of the following PHP code ?

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

142/260

142.

Which statement will output $x on the screen?

echo "\$x";

echo "/$x";

echo "$x;";

echo "$$x";

143/260

143.

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

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

It bases its comparison on the C strcmp function exclusively

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

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

144/260

144.

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 = 2

x = 2 y = 3

x = 2 y = 1

x = 1 y = 1

x = 1 y = 3

145/260

145.

Which of the following data types are compound data types?

Strings

Booleans

Objects

Array

146/260

146.

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)

147/260

147.

What will be the output of the following PHP code ?

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

80.5

148/260

148.

What is the output of the following line of code:

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

149/260

149.

Which of the following is NOT a strongly typed language?

JAVA

C++

PHP

150/260

150.

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 100 will be printed. The number 50 will not be printed.

A series from 51 to 100 will be printed.

A series from 1 to 50 will be printed.

151/260

151.

What will be the output of the following PHP code ?

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

true

false

152/260

152.

What will be the output of the following PHP code ?

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

error

true

false

153/260

153.

What would happen when the following code was run?

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

A notice

This tree is: oak (and a notice)

An error

This tree is: tree (and a notice)

This tree is: (and a notice)

154/260

154.

What will be the output of the following PHP code ?

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

IF:

ERROR

IF: 42

42: 42

155/260

155.

Which of the below symbols is a newline character?

156/260

156.

What will be the output of the following PHP code ?

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

test

testvalue

testtest

error, constant value cannot be changed

157/260

157.

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 utils\hello

use mayapp\utils\hello

use hello

use myapp\utils\hello\world;

158/260

158.

What will be the output of the following PHP code ?

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

onetwo

error

one

one, two

159/260

159.

What will be the output of the following PHP code ?

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

true10

true0

160/260

160.

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

yes

161/260

161.

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

Strings

Objects

Arrays

Resources

162/260

162.

What will be the output of the following PHP code ?

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

error

qwe$arty

qwe

qwe12345rty

163/260

163.

What will be the output of the following PHP code ?

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

Thiswas abadidea

Thiswasbadidea

Thiswas a badidea

Thiswasabadidea

164/260

164.

What will be the output of the following PHP code ?

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

0123

error

01234

012345

165/260

165.

What is the output of the following code?

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

166/260

166.

What will be the output of the following PHP code ?

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

This was a bad idea

Thiswasabadidea

This, was, a, bad, idea

Error

167/260

167.

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.

168/260

168.

What will be the output of the following PHP code ?

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

no output

169/260

169.

What is the output of this script?

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

-1

170/260

170.

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

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

123

TRUE

NULL

FALSE

171/260

171.

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 false

true

The script will throw an error message.

false

172/260

172.

What will be the output of the following code?

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

011

000

111

123

173/260

173.

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

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

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

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

174/260

174.

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

$php_errormsg

$_SERVER['PHP_SELF']

$_COOKIE

$_SESSION

175/260

175.

What will be the output of the following PHP code ?

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

error

176/260

176.

How can a script come to a clean termination?

When Apache terminates because of a system problem

When PHP crashes

When exit() is called

When the execution reaches the end of the current file

177/260

177.

What will the output of this function be?

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

None of the above

1,234.568

1,235

1.234,57

178/260

178.

You run the following PHP script:

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

The script will throw an error.

179/260

179.

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

R7yu

111

AEN

ablwesc_99

8rutil

YU-8

9tur8UH4

180/260

180.

What will be the output of the following PHP code ?

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

no output

hello

error

181/260

181.

What will be the output of the following PHP code ?

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

182/260

182.

What is the output of the following line of code?

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

115

117

183/260

183.

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

$_REQUEST

$_FORMS

$_COOKIE

$_COOKIES

$_GLOBAL

$_SERVER

$_ENVIRONMENT

$_DATA

184/260

184.

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";

?>

The value is: 10

The value is: Human

The value is: Cat

Dog

The value is: Dog

185/260

185.

Which version of PHP introduced Try/catch Exception?

PHP 4

PHP 6

PHP 5

PHP 5 and later

186/260

186.

What will be the output of the following PHP code ?

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

\red

$color

Error

red

187/260

187.

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 switch statement using a default case

A recursive function call

It is the only representation of this logic

A while statement

A switch statement without a default case

188/260

188.

Which of the following functions returns current Unix timestamp?

strtotime()

time()

date()

localtime()

189/260

189.

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";
?>

After for loop

In for loopAfter for loop

In for loop

Infinite loop

190/260

190.

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;
?>

1915

1519

191/260

191.

What will be the output of the following PHP code ?

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

hihihi

hihi

hihihihi

192/260

192.

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();
?>

manygoodthings

manygoodthingsmanygoodthings

goodthingsmanygoodthings

there is no output

goodthingsgoodthings

193/260

193.

What will be the output of the following PHP code?

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

$var

Error

194/260

194.

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

html_elements

htmlelements

htmlentities

html_entities

195/260

195.

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 set

A is not set and B is not set

A is set and B is set

Syntax error

196/260

196.

You run the following PHP script:

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

-4

-2

Script will show an error message.

197/260

197.

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

Arrays

PECL

Classes

Objects

198/260

198.

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

199/260

199.

What will the code output?

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

An error will occur

200/260

200.

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

201/260

201.

Which of the following is NOT a magic predefined constant?

__LINE__

__METHOD__

__CLASS__

__DATE__

__FILE__

202/260

202.

What will be the output of the following PHP code ?

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

error

nothing

red

red red

203/260

203.

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.

204/260

204.

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.

205/260

205.

What will be the output of the following PHP code ?

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

PHP is a scripting language

ERROR

__LINE__

206/260

206.

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));
?>

!&-!

!&-&

-&!

-!!&

-!&

207/260

207.

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

Initiate garbage collection to free up memory

Flush the opcode cache

There is no such function

Pause the script for a certain number of processor cycles

208/260

208.

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

128

512

209/260

209.

What will be the output of the following PHP code ?

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

infinite loop

210/260

210.

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

ii), iii) and iv)

ii) and iv)

Only ii)

Only iii)

211/260

211.

What does the following code snippet do?

$a = `ls -l`;

It will cause an error.

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

It will cause a warning message.

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

212/260

212.

Consider the following PHP script:

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

What will be the output?

213/260

213.

Consider the following code:

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

What will be the value of x and y?

x=5, y=15

x=15, y=5

x=10, y=5

x=15, y=10

214/260

214.

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?

The last value of the variable $i: 50

The last value of the variable $i: 49

The last value of the variable $i:

Script will throw an notice.

215/260

215.

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

$GLOBALS

$_POST

$_SERVER

$_ENV

$_ARGV

216/260

216.

What will be the output of the following code?

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

Error

My name is BobBob

My name is BobMy name is Bob

My name is Bob Bob

217/260

217.

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

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

Require constructs can't be used with URL filenames'

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

There is no difference other than the name

218/260

218.

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

i), iii) and iv)

Both ii) and iv)

ii), iii) and iv)

Only ii)

219/260

219.

What will be the output of the following PHP code ?

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

infinite loop

123456789101112

1234567891011

12345678910

220/260

220.

What is the output of following code?

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

221/260

221.

What will be the output of the following PHP code ?

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

no output

error

01234567891011121314....infinitely

1234567891011121314....infinitely

222/260

222.

What will be the output of the following PHP code ?

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

Hello world

Hello <html> Hello world </html>

Hello World Hello World

Syntax Error

223/260

223.

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?

224/260

224.

What will be the output of the following PHP code ?

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

true

false

nothing

error

225/260

225.

What will be the output of the following PHP code ?

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

1234

134

226/260

226.

which one of these variables has illegal name?

None of them

$my-Var

$myVar

$my_Var

227/260

227.

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

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.

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

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

228/260

228.

What will this code output?

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

This produces an error; functions and closures cannot be namespaced

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

229/260

229.

What will the following script output?

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

null

230/260

230.

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

$_a

$1a

$$a

231/260

231.

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

global, script and function

script, function and class

class, global and script

global, function and class

232/260

232.

How to use header() function in PHP correctly?

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

None of these

header("Location: newpage.php");

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

233/260

233.

You run the following script:

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

What will be the output?

234/260

234.

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

235/260

235.

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;
?>

Syntax Error

120

140

236/260

236.

What will be the output of the following PHP code ?

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

237/260

237.

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

238/260

238.

What will be the output of the following PHP code ?

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

hello

no output

error

239/260

239.

What is the output of the following?

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

240/260

240.

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

241/260

241.

What is the output of the following PHP code?

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

100

200

FOO

242/260

242.

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

subject, to address, body, extra headers

to address, subject, extra headers, body

subject, to address, extra headers, body

to address, subject, body, extra headers

243/260

243.

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 3

Both are 4

a is 4 and b is 3

a is 3 and b is 4

244/260

244.

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

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

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

245/260

245.

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

Namespace

Byte code caching

Constant

Variable

246/260

246.

What will be the output of the following PHP code ?

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

210

infinite loop

no output

247/260

247.

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

248/260

248.

What gets printed?

<?php

$RESULT = 11 + 011 + 0x11;

echo "$RESULT";

?>

249/260

249.

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

<?= ... ?>

<% ... %>

<?php ... ?>

<? .. ?>

250/260

250.

What will be the output of the following PHP code ?

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

251/260

251.

You run the following PHP script:

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

What will be the output?

Script will show an error.

252/260

252.

What will be the output of the following PHP code ?

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

how are u

0how are u

0hi

253/260

253.

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

ii), iii) and iv)

i), ii), iii) and iv)

Only i)

i), ii) and iv)

254/260

254.

What will be the output of the following PHP code ?

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

error

false

true

1true

255/260

255.

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.

256/260

256.

What will be the output of the following PHP code ?

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

no output

infinite loop

error

257/260

257.

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

$add = $add + $add + 1

$add = $add +$add

$add = $add + 1

$add = $add

258/260

258.

What will be the output of the following PHP code ?

<?php
print_r "Hello world"
?>

Nothing

Parse Error

Hello World

Missing semicolon error

259/260

259.

What will be the output of the following PHP code ?

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

none

some

all

Parse error: syntax error

260/260

260.

You run the following PHP script:

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

What will be the output?

1235Jason

It will throw a script error.

1235