1. Which of these statements is true?

2. Is php can support multiple inheritance?

3. How would you add 1 to the variable $count?

4. Which of the following is used to check if a function has already been defined?

5. What is the return value of this substr function?

<?php

$rest = substr("abcdef", -1);

$rest = substr("abcdef", 0, -1);

?>

6. Assume that your php file 'index.php' in location c:/apache/htdocs/phptutor/index.php. If you used basename($_SERVER['PHP_SELF']) function in your page, then what is the return value of this function ?

7. $x="display";
${$x.'_result'} ();
?>
Above program will call the function display_result()

8. All variables in PHP start with which symbol?

9. Father of PHP?

10. In PHP the error control operator is _______