1. Which of the following would be a potential match for the Perl-based regular expression /fo{2,4}/ ?

1. 1. fooooool

   
   
   

   2. fol

   
   
   

   3. fool

   
   
   

   4. fooool

   
   
   

   5. fool and fooool both

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: E

   This matches f followed by two to four occurrences of o.

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2. POSIX implementation was deprecated in which version of PHP?

1. 1. PHP 5.3

   
   
   

   2. PHP 5.2

   
   
   

   3. PHP 5

   
   
   

   4. PHP 4

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   PHP 5.3

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3. POSIX stands for

1. 1. Portative Operating System Interface for Unix

   
   
   

   2. Portative Operating System Interface for Linux

   
   
   

   3. Portable Operating System Interface for Linux

   
   
   

   4. Portable Operating System Interface for Unix

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   Portable Operating System Interface for Unix

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4. What will be the output of the following PHP code?
   

   $name = "mAnjeSh";
   if (ereg("([^a-z])",$name))
   echo "Name must be all lowercase!";
   else
   echo "Name is all lowercase!";
   ?>
   

1. 1. Name is all lowercase!

   
   
   

   2. No Output is returned

   
   
   

   3. Name must be all lowercase!

   
   
   

   4. Error

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   Because the provided name is not all lowercase, ereg() will not return FALSE (instead returning the length of the matched string, which PHP will treat as TRUE), causing the message to output.

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5. Which among the following is/are not a metacharacter?

1. 1. \B

   
   
   

   2. \a

   
   
   

   3. \A

   
   
   

   4. \b

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   /A, /b and /B are metacharacters. \A: Matches only at the beginning of the string. \b: Matches a word boundary. \B: Matches anything but a word boundary.

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