a) Portable Operating System Interface for Unix

b) Portable Operating System Interface for Linux

c) Portative Operating System Interface for Unix

d) Portative Operating System Interface for Linux

Changing the way you learn

Question 1

Question

PHP has long supported two regular expression implementations known as _______ and _______ i) Perl ii) PEAR iii) Pearl iv) POSIX

Answer

a) i) and ii)
b) ii) and iv)
c) i) and iv)
d) ii) and iii)

Question 2

Question

Which one of the following regular expression matches any string containing zero or one p?

Answer

a) p+
b) p*
c) P?
d) p#

Question 3

Question

[:alpha:] can also be specified as..

Answer

a) [A-Za-z0-9].
b) [A-za-z].
c) [A-z].
d) [a-z].

Question 4

Question

How many functions does PHP offer for searching strings using POSIX style regular expression?

Answer

a) 7
b) 8
c) 9
d) 10

Question 5

Question

What will be the output of the following PHP code?

Image:

изображение (binary/octet-stream)

Answer

a) Error
b) Username must be all lowercase!
c) Username is all lowercase!
d) No Output is returned

Question 6

Question

POSIX implementation was deprecated in which version of PHP?

Answer

a) PHP 4
b) PHP 5
c) PHP 5.2
d) PHP 5.3

Question 7

Question

POSIX stands for

Answer

a) Portable Operating System Interface for Unix
b) Portable Operating System Interface for Linux
c) Portative Operating System Interface for Unix
d) Portative Operating System Interface for Linux

Question 8

Question

What will be the output of the following PHP code?

Image:

изображение (binary/octet-stream)

Answer

a) this is some text that we might like to parse.
b) Array ( [0] => some text that [1] => we might like to parse. )
c) Array ( [0] => this is [1] => some text that [2] => we might like to parse. )
d) [0] => this is [1] => some text that [2] => we might like to parse.

Question 9

Question

Which of the following would be a potential match for the Perl-based regular expression /fo{2,4}/ ? i) fol ii) fool iii) fooool iv) fooooool

Answer

a) Only i)
b) ii) and iii)
c) i), iii) and iv)
d) i) and iv)

Question 10

Question

Which among the following is/are not a metacharacter? i) \a ii) \A iii) \b iv) \B

Answer

a) Only i)
b) i) and iii)
c) ii), iii) and iv)
d) ii) and iv)

Question 11

Question

How many functions does PHP offer for searching and modifying strings using Perl-compatible regular expressions.

Answer

a) 7
b) 8
c) 9
d) 10

Question 12

Question

What will be the output of the following PHP code?

Image:

изображение (binary/octet-stream)

Answer

a) Array ( [0] => pasta [1] => steak [2] => fish [3] => potatoes )
b) Array ( [3] => potatoes )
c) Array ( [1] => steak )
d) Array ( [0] => potatoes )

Question 13

Question

Say we have two compare two strings which of the following function/functions can you use? i) strcmp() ii) strcasecmp() iii) strspn() iv) strcspn()

Answer

a) i) and ii)
b) iii) and iv)
c) None of the mentioned
d) All of the mentioned

Question 14

Question

Which one of the following functions will convert a string to all uppercase?

Answer

a) strtoupper()
b) uppercase()
c) str_uppercase()
d) struppercase()

Question 15

Question

What will be the output of the following PHP code?

Image:

изображение (binary/octet-stream)

Answer

a) O’Malley Wins The Heavyweight Championship!
b) O’malley Wins The Heavyweight Championship!
c) O’Malley wins the heavyweight championship!
d) o’malley wins the heavyweight championship!

Question 16

Question

What will be the output of the following PHP code?

Image:

изображение (binary/octet-stream)

Answer

a) SaladSaladSaladSaladSalad is good
b) is good SaladSaladSaladSaladSalad
c) is good Salad
d) Salad is good

Question 17

Question

Which one of the following functions can be used to concatenate array elements to form a single delimited string?

Answer

a) explode()
b) implode()
c) concat()
d) concatenate()

Question 18

Question

Which one of the following functions finds the last occurrence of a string, returning its numerical position?

Answer

a) strlastpos()
b) strpos()
c) strlast()
d) strrpos()

Question 19

Question

What will be the output of the following PHP code?

Image:

изображение (binary/octet-stream)

Answer

a) Contact the author of this article at nachiketh@ex@mple.com
b) Cont@ct the @uthor of this @rticle @t n@chiketh@ex@mple.com
c) Contact the author of this article at n@chiketh@ex@mple.com
d) Error

Question 20

Question

What will be the output of the following PHP code?

Image:

изображение (binary/octet-stream)

Answer

a) nachiketh@example.com
b) nachiketh
c) nachiketh@
d) example.com

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Regular Expressions - 1,2

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	Created by Zarina Kiyakhmetova almost 6 years ago