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Total Questions : 29 | Page 1 of 3 pages
Question 1. PHP has long supported two regular expression implementations known as _______ and _______.1. Perl2. PEAR3. Pearl4. POSIX
  1.    1 and 2
  2.    2 and 4
  3.    1 and 4
  4.    2 and 3
 Discuss Question
Answer: Option C. -> 1 and 4
Question 2. Which one of the following regular expression matches any string containing zero or one p?
  1.    P?
  2.    p+
  3.    p#
  4.    p*
 Discuss Question
Answer: Option A. -> P?
Question 3. How many functions does PHP offer for searching strings using POSIX style regular expression?
  1.    8
  2.    10
  3.    9
  4.    7
 Discuss Question
Answer: Option D. -> 7
Question 4. [:alpha:] can also be specified as.
  1.    [A-z]
  2.    [a-z]
  3.    [A-Za-z0-9]
  4.    [A-za-z]
 Discuss Question
Answer: Option D. -> [A-za-z]
Question 5. What will be the output of the following PHP code?$username = "jasoN";if (ereg("([^a-z])",$username))echo "Username must be all lowercase!";elseecho "Username is all lowercase!";
  1.    Error
  2.    Username is all lowercase!
  3.    No Output is returned
  4.    Username must be all lowercase!
 Discuss Question
Answer: Option D. -> Username must be all lowercase!
Question 6. POSIX stands for
  1.    Portative Operating System Interface for Unix
  2.    Portable Operating System Interface for Linux
  3.    Portative Operating System Interface for Linux
  4.    Portable Operating System Interface for Unix
 Discuss Question
Answer: Option D. -> Portable Operating System Interface for Unix
Question 7. Which among the following is/are not a metacharacter?1. /a2. /A3. /b4. /B
  1.    2, 3 and 4
  2.    2 and 4
  3.    1 and 3
  4.    Only 1
 Discuss Question
Answer: Option D. -> Only 1
Question 8. Which of the following would be a potential match for the Perl-based regular expression /fo{2,4}/ ?1. fol2. fool3. fooool4. fooooool
  1.    Only 1
  2.    1 and 4
  3.    1, 3 and 4
  4.    2 and 3
 Discuss Question
Answer: Option D. -> 2 and 3
Question 9. What will be the output of the following PHP code?$text = "this istsome text thatnwe might like to parse.";print_r(split("[nt]",$text));
  1.    this is some text that we might like to parse.
  2.    Array ( [0] => some text that [1] => we might like to parse. )
  3.    Array ( [0] => this is [1] => some text that [2] => we might like to parse. )
  4.    [0] => this is [1] => some text that [2] => we might like to parse.
 Discuss Question
Answer: Option D. -> [0] => this is [1] => some text that [2] => we might like to parse.
Question 10. POSIX implementation was deprecated in which version of PHP?
  1.    PHP 5.2
  2.    PHP 5
  3.    PHP 5.3
  4.    PHP 4
 Discuss Question
Answer: Option C. -> PHP 5.3

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