1. What will be the output of the following code?

echo date('Y-m-d', strtotime('-1 month ago'));

• Error
• One month ago from the current date and time
• One month in the future from the current date and time correct answer (ref)

2. Is it possible to extend an interface with an abstract class?

• Yes correct answer (ref)
• No

3. What is the output of the following code?

$arr = array(1 => 10, "1" => 20); 
echo count($arr);

• Error
• 0
• 1 correct answer (ref)
• 2

4. What is the output of the following code?

$str = "hello world"; echo $str{1};

• An error
• h
• e correct answer (ref)
• ello world

5. What is the output of the following code?

$str = "foo Bar"; 
echo ucwords($str);

• Foo bar
• Foo Bar correct answer (ref)
• FOO BAR
• foo bar