Which of the following is not the scope of Variable in PHP? 

 What is the default time(in seconds) for which session data is considered valid? 

The default value of the max_execution_time directive is ____.

Which PHP function is used to determine whether a class exists?

What will be the output of the following PHP code?

$var1 = "foo";

$var1("will this work");

The function ______ returns a specified service's port number.

A function in PHP that starts with __ (double underscore) is known as

What will be the output of the following PHP code?

<?php

$str = "Hello World";

echo wordwrap($str, 5, "
\n");

?>

 Which of the following PHP function will return true if a variable is an array or false if it is not an array? 

What is the output of the following PHP code ?

<?php

    $a = array("a" => "Maseratti", "b" => "Audi", 

         "c" => "Land Rover", "d" => "Jaguar");

    echo array_search("Audi", $a);

?>