How many types of filtering are present in PHP? 

 How many predefined exceptions does SPL provide access to?
 

 Which version introduced the function error_get_last()? 

 Who is the father of PHP? 

 Which one of the following format parameters can be used to identify timezone? 

_____ function sends an email using a PHP script.

Which of the following is correct way to define a constant in php.

 Which one of the following functions finds the last occurrence of a string, returning its numerical position? 

Which one of the following functions can be used to concatenate array elements to form a single delimited string? 

 What will be the output of the following code?

<?php
   echo lcfirst("My name is Sarthak");
?>