PHP compact函數

1 $firstname = "Peter";
2 $lastname = "Griffin";
3 $age = "41";
4 
5 $data = compact("firstname", "lastname", "age");
6 
7 print_r($data);
8 
9 運行結果：Array ( [firstname] => Peter [lastname] => Griffin [age] => 41 )

建立一個包含變量名和它們的值的數組