Given the following array, write a single PHP statement to access and display the contents of the element containing the value 3, using the echo function,. You may use var_dump() to see the structure of the array if you wish. If you use var_dump(), include what is displayed in your report. $a = array("a"=>array("b"=>0, "c=>1), "b"=>array("e"=>2, "c"=>array("b"=>3))) The output displayed must be 3.