... implementation, 11 2 11 6 easier maintenance, 11 7 11 8 OOP approach, 11 5 11 6 overview, 11 2 procedural approach, 11 3 11 4 processForm( ) method, 17 6, 17 9, 287, 334 process.inc .php file, 17 9, 213 , 2 21, 248, ... organization, 11 7 ease of implementation, 11 3 11 7 easier maintenance, 11 7 11 8 OOP approach, 11 5 11 6 overview, 11 2 procedural approach, 11 3 11 4 properties, visibility of, 10 3 11 0 objects and classes, ... 240 Admin button, 18 5 Admin class, 209– 210 , 213 , 220 admin.css stylesheet, 17 2 17 3, 17 5, 18 3, 18 8 -adminGeneralOptions( ) method, 218 admin .php file, 12 1, 17 1, 17 5, 18 1, 19 0 .after( ) method,...