Zend Preparation | Online PHP Quiz

PHP Basics singleQuestion_answer

1/260

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

false

true

The script will throw an error message.

2/260

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

3/260

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: 0,4,9,9,9,9 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

4/260

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

5/260

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

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

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

It bases its comparison on the C strcmp function exclusively

6/260

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:

The last value of the variable $i: 50

The last value of the variable $i: 49

Script will throw an notice.

7/260

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.

8/260

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)

9/260

Which of the following are valid identifiers (Choose 3)

$_1 = "Hello World";

function 4You() { }

$1 = "Hello";

function _4You() { }

function object() { }

10/260

10.

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

Resources

Strings

Objects

Arrays

11/260

11.

What will be the output of the following PHP code ?

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

hellolength

error

12/260

12.

What will be the output of the following PHP code ?

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

12345678910....19

12345678910....1920

13/260

13.

What will be the output of the following PHP code ?

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

Hello world

Hello World Hello World

Syntax Error

Hello <html> Hello world </html>

14/260

14.

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.

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

It evaluates to true if the two operands are equivalent.

It is an alias of strcmp() function.

15/260

15.

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

16/260

16.

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

for in

for

while

foreach

17/260

17.

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

no output

hello

18/260

18.

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)

19/260

19.

What will be the output of the following PHP code ?

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

some

Parse error: syntax error

all

none

20/260

20.

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

9tur8UH4

ablwesc_99

111

YU-8

8rutil

R7yu

AEN

21/260

21.

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

True

Syntax error; this won’t run

22/260

22.

What will be the output of the following PHP code ?

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

ERROR

42: 42

IF:

IF: 42

23/260

23.

Which of the following data types are compound data types?

Array

Booleans

Strings

Objects

24/260

24.

You run the following PHP script:

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

What will be the output?

Script will show an error.

25/260

25.

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
}

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

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

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

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

while($idx *= 2)

26/260

26.

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

128

512

27/260

27.

What will be the output of the following PHP code ?

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

error

28/260

28.

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

29/260

29.

What will the following script output?

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

null

30/260

30.

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

Variable names

Class names

Function names

Namespaces

31/260

31.

How to use header() function in PHP correctly?

header("Location: newpage.php");

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

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

None of these

32/260

32.

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

Only iii)

ii) and iv)

ii), iii) and iv)

Only ii)

33/260

33.

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

34/260

34.

What will be the output of the following PHP code ?

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

no output

error

infinite loop

35/260

35.

<?php
    class Foo
    {
?>

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

which is correct?

will work, class definitions can be split up into

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

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.

36/260

36.

How can a script come to a clean termination?

When the execution reaches the end of the current file

When Apache terminates because of a system problem

When PHP crashes

When exit() is called

37/260

37.

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

Hi is printed 8 times

Hi is printed 8 times, hello 8 times

hello printed 8 times

38/260

38.

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

AshleyShrek

BaleBlank

Bale

39/260

39.

What will be the output of the following PHP code ?

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

no output

40/260

40.

What is the output of the following line of code?

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

117

115

41/260

41.

What will be the output of the following PHP code ?

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

error

no output

infinite loop

42/260

42.

The PHP syntax is most similar to:

Perl and C

JavaScript

VBScript

43/260

43.

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

44/260

44.

Which of the following are valid PHP variables?

&$variable

$0x0

${0x0}

@$foo

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

false true true

true false true

true true false

46/260

46.

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);
}
?>

Determines if they are both even or odd.

Determines the greatest common divisor between them.

Loops infinitely.

Switches the values of $p and $q.

47/260

47.

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 50 will be printed.

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

A series from 1 to 100 will be printed.

A series from 51 to 100 will be printed.

48/260

48.

42 with two decimal places?

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

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

49/260

49.

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

It is designed to store values of various types

Only one instance of the class can exist

It uses static methods

It implements ArrayAccess

It takes responsibility for instantiating objects

50/260

50.

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

<?php ?>

<? ?>

< php >

< ? php ?>

51/260

51.

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

no output

0 1 2 3 4 5

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

52/260

52.

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

1 ^ 2

53/260

53.

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();
}

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

54/260

54.

What is the output of following code?

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

55/260

55.

What will be the output of the following PHP code ?

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

error

no output

56/260

56.

What would happen when the following code was run?

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

This tree is: oak (and a notice)

This tree is: tree (and a notice)

A notice

This tree is: (and a notice)

An error

57/260

57.

Which of the following is used to set a constant?

con

set

define

new

58/260

58.

What is the output of:

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

10elephpant

2110elephpant

1210elephpant

59/260

59.

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)

ii), iii) and iv)

Only i)

i), ii) and iv)

60/260

60.

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

how are u

error

61/260

61.

What will be the output of the following PHP code?

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

Error

$var

62/260

62.

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

63/260

63.

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

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

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

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

64/260

64.

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 MyException: MyException

an error message related to an uncaught exception

Caught MyException: ChildException

Caught Exception: ChildException

65/260

65.

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, False

True, True, True

False, True, True

False, True, False

66/260

66.

What will the output of this code be?

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

syntax error

Hello world!NULL

1NULL

NULL

67/260

67.

What will this script output?

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

bar

foo

None of the above

68/260

68.

Which of the following is NOT a magic predefined constant?

__METHOD__

__DATE__

__FILE__

__CLASS__

__LINE__

69/260

69.

Which version of PHP introduced Try/catch Exception?

PHP 6

PHP 5 and later

PHP 4

PHP 5

70/260

70.

What will the code output?

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

An error will occur

71/260

71.

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=10

x=10, y=5

x=15, y=5

72/260

72.

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?

Script tag

Short tag

ASP tag

Standard tag

73/260

73.

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

hello

Parse error

74/260

74.

What will be the output of the following code?

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

111

000

123

011

75/260

75.

What is the output of this script?

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

-1

76/260

76.

What will be the output of the following PHP code ?

<?php
print_r "Hello world"
?>

Parse Error

Hello World

Nothing

Missing semicolon error

77/260

77.

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?",TRUE); echo constant("greeting"); ?>

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

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

78/260

78.

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 = 2 y = 1

x = 2 y = 2

x = 1 y = 3

x = 1 y = 1

x = 2 y = 3

x = 1 y = 2

79/260

79.

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

80/260

80.

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

81/260

81.

You run the following PHP script:

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

What will be the output?

Jason

1235

It will throw a script error.

82/260

82.

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

Zend-based, PHP, Image, HTML

Embedded, Zend, Docbook, MySQL

Perl-based, PHP, Web, Static

Dynamic, PHP, Database, HTML

83/260

83.

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

NOT

AND

XOR

84/260

84.

Which of the following is NOT a strongly typed language?

JAVA

C++

PHP

85/260

85.

What will be the output of the following PHP code ?

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

error

one, two

onetwo

one

86/260

86.

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

87/260

87.

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

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

88/260

88.

What will be the output of the following PHP code ?

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

infinite loop

89/260

89.

What will be the output of the following PHP code?

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

25 students

Error

35 students

90/260

90.

Which statement will output $x on the screen?

echo "$$x";

echo "/$x";

echo "\$x";

echo "$x;";

91/260

91.

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 while loop

Using a for loop

There is no way to accomplish this goal

Using a do...while loop

Using a foreach loop

92/260

92.

What will be the output of the following PHP code ?


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

0x6dc0

1797568

no output

error

93/260

93.

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: Dog

The value is: Human

Dog

The value is: Cat

94/260

94.

What is the output of the following PHP code?

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

200

FOO

100

95/260

95.

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);

432

257

643.75

432.75

643

96/260

96.

Consider the following PHP script:

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

What will be the output?

97/260

97.

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

98/260

98.

What will be the output of the following PHP code ?

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

99/260

99.

What is the output of this script?

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

100/260

100.

What will be the output of the following PHP code ?

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

nothing

false

error

true

101/260

101.

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 function contains only one parameter

When the parameter is Boolean

102/260

102.

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

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

$a[3]

$a[2]

$a[4]

$a[0]

$a[1]

103/260

103.

What will be the output of the following PHP code ?

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

Hello world

Error

echo 'Hello world'

echo Hello world

104/260

104.

Who is the father of PHP?

Drek Kolkevi

Rasmus Lerdorf

Willam Makepiece

List Barely

105/260

105.

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

106/260

106.

What will be the output of the following PHP code?

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

Error

1234

107/260

107.

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

none of these.

PHP will start displaying the value of last object.

PHP will start displaying the value of current object.

PHP does not output anything.

108/260

108.

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

300

Error

109/260

109.

What will be the output of the following PHP code ?

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

hello

no output

error

110/260

110.

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

111/260

111.

Which of the below symbols is a newline character?

112/260

112.

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 */
?>

is_leap($year default 2000)

function is_leap($year = 2000)

function is_leap($year default 2000)

function is_leap(2000 = $year)

function is_leap($year)

113/260

113.

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

114/260

114.

What will be the output of the following PHP code ?

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

no output

115/260

115.

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"; 
?>

1.25

0.05

0.75

Error

116/260

116.

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?

The script will throw an error.

Book Author

Missing Book

Book Details

It will display all the three lines.

117/260

117.

You run the following PHP script:

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

What will be the output?

200

199

201

202

118/260

118.

What will be the output of the following PHP code ?

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

hihi

hihihihi

hihihi

119/260

119.

What is the output of the following line of code:

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

120/260

120.

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

Foreach loop

For loop

Do while loop

121/260

121.

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 50 random characters

A string of 49 'G' characters

Nothing, because $array is not an array

A string of 49 random characters

122/260

122.

What will be the output of the following PHP code ?

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

Hello+World

HelloWorld

Error

123/260

123.

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

global, function and class

script, function and class

class, global and script

global, script and function

124/260

124.

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

125/260

125.

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

$add = $add + 1

$add = $add + $add + 1

$add = $add

$add = $add +$add

126/260

126.

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] => 5 [1] => 7 [2] => 9 )

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

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

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

127/260

127.

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?

Fatal error

Jan-01-1996

Date out of range error

Jan-01-1995

128/260

128.

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

<=>

129/260

129.

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

html_elements

htmlentities

html_entities

htmlelements

130/260

130.

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

include_once, include

require, include

131/260

131.

What will be the output of the following PHP code ?

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

132/260

132.

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

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

list($string) = func_get_args();

$string = $_ARGV[0];

$string = get_function_args();

$string = $argv[1];

133/260

133.

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

There is no difference other than the name

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

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

Require constructs can't be used with URL filenames'

134/260

134.

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

Syntax error

A is set and B is set

A is not set and B is not set

135/260

135.

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

extension_loaded()

get_loaded_extensions

phpinfo()

get_extension_funcs()

136/260

136.

What will be the output of the following PHP code ?

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

Thiswasbadidea

Thiswas a badidea

Thiswasabadidea

Thiswas abadidea

137/260

137.

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";
}

dhaka

1600

300

986.962699801

138/260

138.

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

139/260

139.

What will be the output of the following PHP code ?

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

false

no output

error

true

140/260

140.

What will be the output of the following PHP code ?

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

141/260

141.

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

It is the only representation of this logic

A switch statement using a default case

A recursive function call

142/260

142.

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 mayapp\utils\hello

use utils\hello

use myapp\utils\hello\world;

use hello

143/260

143.

What will be the output of the following PHP code?

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

Error

1+2

1.+.2

144/260

144.

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

yes

145/260

145.

What is the return value of echo statement in PHP?

no return value

none of these

146/260

146.

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.

147/260

147.

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.

148/260

148.

You run the following PHP script:

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

What will be the output?

51 birds sit on 22 trees.

51 birds sit on 18 trees.

51 birds sit on trees.

51 birds sit on 0 trees.

149/260

149.

Which of the following functions returns current Unix timestamp?

time()

strtotime()

date()

localtime()

150/260

150.

What will this script output?

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

an error message because the variable b is not defined

Hello

Hello world

Nothing; it won't run

151/260

151.

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

152/260

152.

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();
}

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

None of the above

Exception caught in A

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

153/260

153.

What will be the output of the following PHP code ?

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

true

false

154/260

154.

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

__LINE__

ERROR

155/260

155.

What is the output of this script?

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

-1

apples

156/260

156.

What will be the output of the following PHP code ?

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

error at line 3

no output

157/260

157.

You run the following script:

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

Script will output an error.

158/260

158.

You run the following PHP script:

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

What will be the output?

It will throw a script error.

1235Jason

1235

159/260

159.

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?

160/260

160.

What will the output of this function be?

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

1,234.568

1.234,57

None of the above

1,235

161/260

161.

What will be the output of the following PHP code ?

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

infinite loop

123456789101112

12345678910

1234567891011

162/260

162.

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

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

TRUE

FALSE

NULL

123

163/260

163.

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

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

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

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

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

164/260

164.

What will be the output of the following PHP code ?

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

hihihi

hihi

hihihihi

165/260

165.

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 you cannot use define() to declare an array constant.

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

166/260

166.

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

167/260

167.

What will be the output of the following PHP code ?

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

no output

168/260

168.

You run the following script:

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

What will be the output?

Script will through an error.

integer

string

boolean

169/260

169.

Which of the following is not valid PHP code?

$aVaR

$10_somethings

$_10

&$something

${"MyVar"}

170/260

170.

What will be the output of the following PHP code ?

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

error

no output

hello

171/260

171.

What will be the output of the following PHP code ?

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

1234

134

172/260

172.

What will be the output of the following PHP code ?

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

nothing

red red

error

red

173/260

173.

You run the following PHP script:

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

-2

-4

Script will show an error message.

174/260

174.

What will be the output of the following PHP code ?

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

80.5

175/260

175.

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

176/260

176.

What will be the output of the following PHP code ?

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

0hi

how are u

0how are u

177/260

177.

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();
?>

there is no output

manygoodthingsmanygoodthings

goodthingsgoodthings

goodthingsmanygoodthings

manygoodthings

178/260

178.

What will be the output of the following PHP code ?

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

error

179/260

179.

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);
?>

200

The script will throw an error message

354

180/260

180.

Which of the following operators has the highest precedence order?

[

181/260

181.

How can we create a unique random password in PHP?

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

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

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

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

182/260

182.

What will be the output of the following PHP code ?

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

Thiswasabadidea

Error

This was a bad idea

This, was, a, bad, idea

183/260

183.

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 1

no output

error

result is true

184/260

184.

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

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

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

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

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

185/260

185.

What will this script output?

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

foo

bar

Hello world

Syntax error; this won’t run

186/260

186.

What does the following code snippet do?

$a = `ls -l`;

It will cause a warning message.

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

It will cause an error.

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

187/260

187.

What will be the output of the following PHP code ?

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

error

true

1true

false

188/260

188.

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?

189/260

189.

What will be the output of the following PHP code ?

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

error

onetwo

nothing

one

190/260

190.

What will be the output of the following PHP code ?

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

-3-4

-3-4-5

infinite loop

no output

191/260

191.

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 33

no output

true 32

192/260

192.

What will be the output of the following PHP code ?

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

error

no output

193/260

193.

What will be the output of the following PHP code ?

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

$color

red

Error

\red

194/260

194.

What is the output of this script?

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

boolean

integer

double

Syntax error; this won’t run

195/260

195.

What will be the output of the following PHP code?

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

how are u

no output

error

196/260

196.

You run the following PHP script:

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

What will be the output?

123

syntax error

-123

197/260

197.

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

$_COOKIE

$_SESSION

$_SERVER['PHP_SELF']

$php_errormsg

198/260

198.

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

Doubles

Booleans

Strings

NULL

199/260

199.

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?

14345

12365

-2177424000

200/260

200.

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?

Fast Tech

Fast

FastTechdefault

default

201/260

201.

What is the output of the following?

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

202/260

202.

What is the output of the following code?

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

203/260

203.

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

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

echo() can be used in the CLI version of PHP, 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!

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

204/260

204.

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

Functions in PHP cannot return expressions by reference.

Concept of void functions exists in PHP.

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

PHP can allow functions to return variables.

205/260

205.

What will be the output of the following PHP code ?

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

54321

54321111111.....infinitely

555555555....infinitely

206/260

206.

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

$_SERVER

$GLOBALS

$_POST

$_ARGV

$_ENV

207/260

207.

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

!==

===

208/260

208.

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

209/260

209.

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

210/260

210.

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

$a >>= 2;

$a <<= 2;

$a += $a + $a;

$a *= pow (2, 2);

211/260

211.

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

PECL

Classes

Arrays

Objects

212/260

212.

What will be the output of the following PHP code ?

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

213/260

213.

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 mancI love manu

I love arsenal

I love arsenalI love manc

Error

214/260

214.

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 ii) and iv)

Only ii)

Both i) and ii)

215/260

215.

What will be the output of the following PHP code ?

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

00000000000000000000....infinitely

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

error

no output

216/260

216.

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

217/260

217.

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 loop

In for loopAfter for loop

Infinite loop

218/260

218.

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

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

January 8, 2013, 5:16 pm

Tuesday the 8th

01.08.13

it is the 8th day

219/260

219.

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

220/260

220.

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;
?>

120

140

Syntax Error

221/260

221.

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;
}
?>

error

no output

hello

222/260

222.

What gets printed?

<?php

$RESULT = 11 + 011 + 0x11;

echo "$RESULT";

?>

223/260

223.

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

ii), iii) and iv)

Only ii)

Both ii) and iv)

i), iii) and iv)

224/260

224.

What will be the output of the following PHP code ?

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

error

how are u

no output

225/260

225.

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?

!==

===

226/260

226.

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

<? .. ?>

<% ... %>

<?= ... ?>

<?php ... ?>

227/260

227.

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 )

228/260

228.

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

$_2var

$2var

$__var

$var

229/260

229.

which one of these variables has illegal name?

$my-Var

$myVar

$my_Var

None of them

230/260

230.

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

Byte code caching

Variable

Namespace

Constant

231/260

231.

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;
?>

232/260

232.

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

233/260

233.

What will be the output of the following PHP code ?

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

error

false

true

234/260

234.

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

235/260

235.

Which of the following is a magic constant?

$_POST

__LINE__

$_GET

$_SERVER

236/260

236.

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 Bob Bob

My name is BobBob

My name is BobMy name is Bob

237/260

237.

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

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

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

238/260

238.

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

239/260

239.

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

$_a

$$a

$1a

240/260

240.

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));
?>

-!!&

-&!

!&-!

!&-&

-!&

241/260

241.

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;
?>

342

128

256

242.0

242/260

242.

What will be the output of the following PHP code ?

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

no output

210

infinite loop

243/260

243.

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

244/260

244.

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]

Syntax error; this won't run

The arrays are [Equal] and [Identical]

The arrays are [Not Equal] and [Identical]

None of the above

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

245/260

245.

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

246/260

246.

What will be the output of the following PHP code ?

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

qwe12345rty

error

qwe

qwe$arty

247/260

247.

You run the following script:

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

What will be the output?

248/260

248.

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

subject, to address, body, extra headers

subject, to address, extra headers, body

to address, subject, extra headers, body

to address, subject, body, extra headers

249/260

249.

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

250/260

250.

What will be the output of the following PHP code ?

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

Parse error

no output

hihello

251/260

251.

What will be the output of the following PHP code ?

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

myObject::CONSTANT

test

no output

error

252/260

252.

What is the output of the following code?

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

279

343

342

253/260

253.

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

<?php

None of the above; these are all fine

254/260

254.

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++;
?>

869

368

742

error

255/260

255.

You run the following PHP script:

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

The script will throw an error.

256/260

256.

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

$_REQUEST

$_COOKIE

$_DATA

$_ENVIRONMENT

$_FORMS

$_COOKIES

$_SERVER

$_GLOBAL

257/260

257.

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

There is no such function

Initiate garbage collection to free up memory

Flush the opcode cache

Pause the script for a certain number of processor cycles

258/260

258.

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

259/260

259.

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

260/260

260.

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.