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CAT - Php Programming 1000+ MCQ [Solved] PDF Download

Thursday 9th of March 2023

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1. What will be the output of the following PHP code?
 <?php  $a1 = array(a=>red, b=>green, c=>blue, d=>yellow);
$a2 = array(e=>red, f=>green, g=>blue);
$result = array_diff($a1, $a2);
print_r($result);
?>

A.
Array ( [d] => yellow )

B.
Array ( [c] => blue )

C.
Array ( [a] => red )

D.
Array ( [e] => yellow )

Answer : A
2. Which one of the following function is useful for producing a timestamp based on a given date and time.
A.
time()

B.
mktime()

C.
mrtime()

D.
mtime()

Answer : B
3. 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
Answer : B
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
Answer : C
5. 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)

Answer : A
6. 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
Answer : D
7. What will be the output of the following PHP code?
 <?php  $a = array(a=>red, b=>green, c=>blue);
echo array_shift($a);
print_r ($a);
?>

A.
green

B.
red

C.
redArray( [c] => green [c] => blue )

D.
redArray( [b] => green [c] => blue )

Answer : D
8. What will be the output of the following PHP code ?
 <?php  $i = 0;
while ((--$i > ++$i) - 1){ print $i;
} ?>

A. 00000000000000000000….infinitely
B. -1-1-1-1-1-1-1-1-1-1…infinitely
C. no output
D. error
Answer : A
9. Which one of the following is the default PHP session name?
A. PHPSESSID
B. PHPSESID
C. PHPSESSIONID
D. PHPIDSESS
Answer : A
10. Which one of the following function is used to start a session?
A.
start_session()

B.
session_start()

C.
session_begin()

D.
begin_session()

Answer : B
11.

What will be the output of the following code?



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


A.

Error


B.

My name is BobBob


C.

My name is BobMy name is Bob


D.

My name is Bob Bob


Answer : C
12.

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)


Answer : B
13. 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
Answer : D
14. What will be the output of the following PHP code ?
 <?php  define(VAR_NAME,test);
${VAR_NAME} = value;
echo VAR_NAME;
echo ${VAR_NAME};
?>

A. test
B. testtest
C. testvalue
D. error, constant value cannot be changed
Answer : C
15. 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
Answer : D
16.

What does PHP stand for?


i) Personal Home Page
ii) Hypertext Preprocessor
iii) Pretext Hypertext Processor
iv) Preprocessor Home Page



A.

Both i) and iii)


B.

Both ii) and iv)


C.

Only ii)


D.

Both i) and ii)


Answer : D
17. 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
Answer : C
18. The date() function returns ___ representation of the current date and/or time.
A. Integer
B. String
C. Boolean
D. Float
Answer : B
19. Which function displays the web pages most recent modification date?
A.
lastmod()

B.
getlastmod()

C.
last_mod()

D.
get_last_mod()

Answer : B
20. 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
Answer : C
21.

PHP files have a default file extension of..



A.

.html


B.

.xml


C.

.php


D.

.ph


Answer : C
22. What will be the output of the following PHP code?
 <?php  $cars = array(Volvo, BMW, Toyota, Honda, Mercedes, Opel);
print_r(array_chunk($cars, 2));
?>

A.
Array ( [0] => Array ( [1] => Volvo [2] => BMW ) [1] => Array ( [1] => Toyota [2] => Honda ) [2] => Array ( [1] => Mercedes [2] => Opel ) )

B.
Array ( [1] => Array ( [1] => Volvo [2] => BMW ) [2] => Array ( [1] => Toyota [2] => Honda ) [3] => Array ( [1] => Mercedes [2] => Opel ) )

C.
Array ( [0] => Array ( [0] => Volvo [1] => Volvo ) [1] => Array ( [0] => BMW [1] => BMW ) [2] => Array ( [0] => Toyota [1] => Toyota ) )

D.
Array ( [0] => Array ( [0] => Volvo [1] => BMW ) [1] => Array ( [0] => Toyota [1] => Honda ) [2] => Array ( [0] => Mercedes [1] => Opel ) )

Answer : D
23. 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)

Answer : D
24. Which directive determines how the session information will be stored?
A.
save_data

B.
session.save

C.
session.save_data

D.
session.save_handler

Answer : D
25. 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
Answer : A
26. How many ways can a session data be stored?
A. 3
B. 4
C. 5
D. 6
Answer : B
27. 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
Answer : A
28. If session.use_cookie is set to 0, this results in use of..
A. Session
B. Cookie
C. URL rewriting
D. Nothing happens
Answer : C
29. 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
Answer : A
30. 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
Answer : B
31. What will be the output of the following PHP code ?
 <?php  define(GREETING, PHP is a scripting language);
echo $GREETING;
?>

A. $GREETING
B. no output
C. PHP is a scripting language
D. GREETING
Answer : B
32.

Which of the following must be installed on your computer so as to run PHP script?
i) Adobe Dreamweaver
ii) PHP
iii) Apache
iv) IIS



A.

All of the mentioned.


B.

Only ii)


C.

ii) and iii)


D.

ii), iii) and iv)


Answer : D
33. What will be the output of the following PHP code ?
 <?php  define('IF', 42);
echo IF: , IF;
?>

A. IF:42
B. No output
C. IF:
D. ERROR
Answer : D
34.

Which of following variables can be assigned a value to it?
i) $3hello
ii) $_hello
iii) $this
iv) $This



A.

All of the mentioned


B.

Only ii)


C.

ii), iii) and iv)


D.

ii) and iv)


Answer : D
35. 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
Answer : A
36. 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
Answer : C
37. 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
Answer : A
38. 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)
Answer : B
39. What will be the output of the following PHP code?
 <?php  $a1 = array(red, green);
$a2 = array(blue, yellow);
print_r(array_merge($a1, $a2));
?>

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

B.
Array ( [0] => blue [1] => yellow [2] => red [3] => green )

C.
Array ( [0] => red [1] => green [2] => blue [3] => yellow )

D.
Array ( [0] => blue [1] => yellow )

Answer : C
40. What will be the output of the following PHP code ?
 <?php  $color = red;
echo $color . red ;
?>

A. red red
B. red
C. error
D. nothing
Answer : C
41. What will be the output of the following PHP code ?
 <?php  /*echo Hello world;
*/ ?>

A. Hello world
B. Nothing
C. Error
D.
/* Hello world */

Answer : B
42. What will be the output of the following PHP code ?
 <?php  $color1 = 1;
$color2 = 1;
echo $color1 + $color2;
?>

A. 11
B. 2
C. 0
D. 1
Answer : B
43. What will be the output of the following PHP code ?
 <?php  $color1 = red;
$color2 = green;
echo $color1 . $color2;
?>

A. red
B. green
C. red green
D. redgreen
Answer : D
44. 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)

Answer : C
45. 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
Answer : D
46.

A PHP script should start with ___ and end with ___:



A.

< php >


B.

< ? php ?>


C.

<?php ?>


D.

<% %>


Answer : C
47.

Which of the following is/are a PHP code editor?
i) Notepad
ii) Notepad++
iii) Adobe Dreamweaver
iv) PDT



A.

Only iv)


B.

All of the mentioned.


C.

i), ii) and iii)


D.

Only iii)


Answer : B
48. Which one of the following format parameter can be used to identify timezone?
A. T
B. N
C. E
D. I
Answer : C
49. What will be the output of the following PHP code ?
 <?php  $color1 = red;
$color2 = red;
echo $color1 + $color2;
?>

A. redgreen
B. red green
C. 0
D. 1
Answer : C
50. 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
Answer : B

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