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

What will be the output of the following PHP code? <?php function co

1.	What will be the output of the following PHP code? <?php function convertSpace($string) { return str_replace("_", " ", $string); } $string = "Peter_is_a_great_guy!"; echo filter_var($string, FILTER_CALLBACK, array("options"=>"convertSpace")); ?>
A.	Peter_is_a_great_guy!
B.	Peterisagreatguy!
C.	Peter is a great guy!
D.	Error
Answer» D. Error