$val){
if(isset($D[$key])&&$D[$key]==1){
}else{
$A_B[] = explode('#', $key);
}
}
var_dump($A_B);
echo '
';
/*
* B-A
*/
$B_A = array();
foreach($D as $key=>$val){
if(isset($C[$key])&&$C[$key]==1){
}else{
$B_A[] = explode('#', $key);
}
}
var_dump($B_A);