Q.1.
POSIX implementation was deprecated in which version of PHP?
Q.2.
POSIX stands for
Q.3.
What will be the output of the following PHP code? 
<?php
$text = "this istsome text thatnwe might like to parse.";
print_r(split("[nt]",$text));
?>

Explanation

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

Explanation

Q.5.
Which among the following is/are not a metacharacter?
1. /a
2. /A
3. /b
4. /B

Explanation