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What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  $color1 = red;
$color2 = 1;
echo $color1 + $color2;
?>

A. red1

B. red 1

C. 0

D. 1

Correct Answer :

D. 1


+ just returns the numeric value even though it is inside double quotes.

Related Questions

What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  class myObject { }define('myObject::CONSTANT', 'test');
echo myObject::CONSTANT;
?>

A. test

B. error

C. myObject::CONSTANT

D. no output

What is the correct answer?

4

Which one of the following format parameter can be used to identify timezone?

A. T

B. N

C. E

D. I

What is the correct answer?

4

Which one of the following is the very first task executed by a session enabled page?

A. Delete the previous session

B. Start a new session

C. Check whether a valid session exists

D. Handle the session

What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  define(NEW_GOOD_NAME_CONSTANT, I have a value);
define(OLD_BAD_NAME_CONSTANT, NEW_GOOD_NAME_CONSTANT);
�echo NEW_GOOD_NAME_CONSTANT;
echo OLD_BAD_NAME_CONSTANT;
?>

A. I have a value

B. I have a valueI have a value

C. ERROR

D. I have a valueNEW_GOO_NAME_CONSTANTS

What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  $color1 = red;
$color2 = green;
echo $color1 + $color2;
?>

A. redgreen

B. red green

C. 0

D. error

What is the correct answer?

4

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));
?>

A. PHP is a scripting language
PHP is a scripting language

B. GREETING_TESt

C. PHP is a scripting language

D. PHP is a scripting language
GREETING_TEST

What is the correct answer?

4

If session.use_cookie is set to 0, this results in use of..

A. Session

B. Cookie

C. URL rewriting

D. Nothing happens

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4

What will be the output of the following PHP code ?
 <?php  $i = 0;
while(++$i || --$i){ print $i;
} ?>

A. 1234567891011121314….infinitely

B. 01234567891011121314…infinitely

C. 1

D. 0

What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  $color1 = red;
$color2 = green;
echo $color1.$color2;
?>

A. red green

B. red

C. green

D. error

What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  define(GREETING, PHP is a scripting language, true);
echo GREETING;
echo
echo GREETING;
?>

A. PHP is a scripting language

B. GREETING
GREEtING

C. GREETING

D. PHP is a scripting language
PHP is a scripting language

What is the correct answer?

4

What will be the output of the following PHP code?
 <?php  $cars = array(Volvo, BMW, Toyota);
echo I like . $cars[0] . , . $cars[1] . and . $cars[2] . .;
?>

A. I like Volvo BMW and Toyota.

B. I like Volvo, BMW and Toyota)

C. I like Volvo, BMW and Toyota.

D. I like. Volvo.,. BMW. and. Toyota)

What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  $i = 2;
while (++$i){ while (--$i > 0) print $i;
} ?>

A. 210

B. 10

C. no output

D. infinite loop

What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  $i = 5;
while (--$i > 0 && ++$i){ print $i;
} ?>

A. 5

B. 555555555…infinitely

C. 54321

D. error

What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  $i = 5;
while (--$i > 0){ $i++;
print $i;
print hello;
} ?>

A. 4hello4hello4hello4hello4hello…..infinite

B. 5hello5hello5hello5hello5hello…..infinite

C. no output

D. error

What is the correct answer?

4

What will be the output of the following PHP code? If say date is 22/06/2013.
     <?php      printf( date(t) )     ?> 

A. 30

B. 22

C. JUNE

D. 2013

What is the correct answer?

4

Say you want to calculate the date 45 days from the present date which one of the following statement will you use?

A.

totime(+45)

B.

totime(+45 days)

C.

strtotime(+45 days)

D.

strtotime(-45 days)

What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  $i = 0;
while (++$i && --$i){ print $i;
} ?>

A. 1234567891011121314….infinitely

B. 01234567891011121314…infinitely

C. no output

D. error

What is the correct answer?

4

What will be the output of the following PHP code?
 <?php  $age = array(Peter=>35, Ben=>37, Joe=>43);
print_r(array_change_key_case($age, CASE_UPPER));
?>

A.

Array ( [Peter] => 35 [Ben] => 37 [Joe] => 43 )

B.

Array ( [peter] => 35 [ben] => 37 [joe] => 43 )

C.

Array ( [PETER] => 35 [BEN] => 37 [JOE] => 43 )

D.

Array ( [PeTeR] => 35 [BeN] => 37 [Joe] => 43 )

What is the correct answer?

4

Which of the following PHP statements will output Hello World on the screen?
i) echo (“Hello World”);
ii) print (“Hello World”);
iii) printf (“Hello World”);
iv) sprintf (“Hello World”);


A.

i) and ii)


B.

i), ii) and iii)


C.

All of the mentioned


D.

i), ii) and iv)


What is the correct answer?

4

What will be the output of the following code? If say date is 22/06/2013.
     <?php      echo Today is .date(F d, Y)     ?> 

A. Today is 22 June, 2013

B. Today is 22-06-2013

C. Today is 06-22-2013

D. Today is June 22, 2013

What is the correct answer?

4

To create an object and set the date to JUNE 22, 2013, which one of the following statement should be executed?

A.

$date = Date(22 JUNE 2013)

B.

$date = new Date(JUNE 22 2013)

C.

$date = DateTime(22 JUNE 2013)

D.

$date = new DateTime(22 JUNE 2013)

What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  $color1 = red;
$color2 = 1;
echo $color1 + $color2;
?>

A. red1

B. red 1

C. 0

D. 1

What is the correct answer?

4

What will be the output of the following PHP code?
 <?php  $a = array(red, green, blue);
array_pop($a);
print_r($a);
?>

A.

Array ( [0] => red [1] => green )

B.

Array ( [0] => green [1] => blue )

C.

Array ( [0] => red [1] => blue )

D.

Array ( [0] => blue [1] => blue )

What is the correct answer?

4

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();
?>

A. 0.01.0

B. 01

C. No output

D. ERROR

What is the correct answer?

4

Which one of the following is the default PHP session name?

A. PHPSESSID

B. PHPSESID

C. PHPSESSIONID

D. PHPIDSESS

What is the correct answer?

4

What will be the output of the following PHP code?
 <?php  $a = array(A, Cat, Dog, A, Dog);
print_r(array_count_values($a));
?>

A.

Array ( [A] => 2 [Cat] => 1 [Dog] => 2 )

B.

Array ( [A] => 2 [Cat] => 2 [Dog] => 1 )

C.

Array ( [A] => 1 [Cat] => 1 [Dog] => 2 )

D.

Array ( [A] => 2 [Cat] => 1 [Dog] => 1)

What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  define('GOOD_OCTAL', 0700);
define('BAD_OCTAL', 0600);
print GOOD_OCTAL;
print '
';
print BAD_OCTAL;
?>

A. 448
384

B. 0700
0800

C. ERROR

D. No output

What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  $i = 0;
while ($i = 10){ print hi;
}print hello;
?>

A. hello

B. infinite loop

C. hihello

D. error

What is the correct answer?

4

What will be the output of the following PHP code?
     <?php      echo (checkdate(4,31,2010) ? 'Valid' : 'Invalid');
?>

A. TRUE

B. FALSE

C. Valid

D. Invalid

What is the correct answer?

4

What will be the output of the following PHP code ?
 <?php  define(__LINE__, PHP is a scripting language);
echo __LINE__;
?>

A. PHP is a scripting language

B. __LINE__

C. 2

D. ERROR