What will be the output of the following PHP code?<?phpfunction convertSpace($str) {return str_replace("_", " ", $str); }$str = "Interview_Mania_is_good_for_interview_preparation!";echo filter_var($str, FILTER_CALLBACK, array("options"=>"convertSpace"));?>

Interview Mania is good for interview preparation!

Interview_Mania_is_good_for_interview_preparation!

InterviewManiaisgoodforinterviewpreparation!

What will be the output of the following PHP code?<?phpfunction conver

1.	What will be the output of the following PHP code?<?phpfunction convertSpace($str) {return str_replace("_", " ", $str); }$str = "Interview_Mania_is_good_for_interview_preparation!";echo filter_var($str, FILTER_CALLBACK, array("options"=>"convertSpace"));?>
A.	Error
B.	Interview_Mania_is_good_for_interview_preparation!
C.	Nothing
D.	InterviewManiaisgoodforinterviewpreparation!
E.	Interview Mania is good for interview preparation!
Answer» E. Interview Mania is good for interview preparation!