In PHP, which operator is used to access property of an object? 

What will be the output of the following PHP code?

1. <?php
2. echo ord ("hi");
3. ?>

Which character does the error_reporting directive use to represent the logical operator NOT? 

  Which version of PHP introduced the visibility keywords i.e public, private, and protected? 

Which of the following are not metacharacters?

i) \a
ii) \A
iii) \b
iv) \B

 Which directive sets a maximum allowable amount of memory in megabytes that a script can allow?

Which one of the following is the correct way of defining a constant?

What will be the output of the following PHP code?

1. <?php
2. function calc($price, $tax="")
3. {
4. $total = $price + ($price * $tax);
5. echo "$total"; 
6. }
7.    calc(42); 
8. ?>

Which of the following is/are an external data?

 i) Cookies 

ii) Input data from a form

 iii) Server Variables 

iv) Web services data 

What will be the output of the following PHP code?

<?php

$username = "jasoN";

if (preg_match("/([^a-z])/", $username))

echo "Username must be all lowercase!";

else

echo "Username is all lowercase!";

?>