Question:$state = array("Delaware", "Pennsylvania", "New Jersey"); $state = array_flip($state); print_r($state); This example returns the following:
A Array ( [Delaware] => 0 [Pennsylvania] => 1 [New Jersey] => 2 )
B Array (0 =>[Delaware] 1=>[Pennsylvania] 2 =>[New Jersey] )
C Array ( [Delaware] => 1 [Pennsylvania] => 2[New Jersey] => 3 )
D Array ( [Delaware] => 0 [Pennsylvania] => 1 [New Jersey] => 2 )
+ AnswerD
+ Report