... class, 21 2 21 7errorsdisplaying, 21 4hiding, 21 3returning using JSON, 21 1 21 2styling, 20 4 20 6submission, 21 4 21 6validation responses, 21 5 21 6_forward( ) method, 88, 311 $fp object, 23 2$fp variable, 23 0 $fp->post ... template, 10 9 AccountController class, 81 82, 11 6, 17 8, 21 0 21 1, 21 4AccountController controller, 57AccountController .php file, 57, 81, 1 02 , 1 12 , 11 4, 21 1 /account/login directory, 17 4ACL (access ... 404 BlogPostLocation .php, 475, 487–489BlogPost .php file, 22 1, 23 3 23 4, 24 1, 24 6, 26 9, 27 1, 27 7, 315 , 319 , 326 , 337, 347, 4 12 , 4 32 433, 439, 4 52, 477blog-post-summary.tpl template, 316 , 3 31, 418 ,...