11.
Which one of the following PHP functions can be used to build a function that accepts any number of arguments?

12.
Which one of the following PHP functions can be used to find files?

13.
Which of the following PHP functions can be used to get the current memory usage?

14.
Which of the following PHP functions can be used for generating unique id’s?

15.
Which one of the following functions can be used to compress a string?

16.
What will be the output of the following PHP code?
<?php
    echo "chr(52)";
?>

17.
What will be the output of the following PHP code?
<?php
    echo ord ("hi");
?>

18.
What will be the output of the following PHP code?
<?php
$str = "Hello World"
echo wordwrap($str,5,"n");    
?>

19.
What will be the output of the following PHP code?
<?php
echo ucwords("i love my country");
?>

20.
What will be the output of the following PHP code?
<?php
echo lcfirst("welcome to India");
?>